dmesg - AMD Mobility Radeon HD 4225

Return To AMD Mobility Radeon HD 4225 System Information

 bluetooth
 v4l2_common
 snd_hda_codec_realtek
 videodev
 snd_hda_codec_generic
 snd_hda_codec_hdmi
 snd_hda_intel
 snd_hda_codec
 arc4
 rt2800pci
 rt2800mmio
 rt2800lib
 rt2x00pci
 rt2x00mmio
 snd_hda_core
 rt2x00lib
 snd_hwdep
 snd_pcm
 mac80211
 cfg80211
 snd_seq
 tpm_tis
 r8169
 eeprom_93cx6
 mii
 crc_ccitt
 snd_seq_device
 edac_mce_amd
 sp5100_tco
 edac_core
 k10temp
 tpm
 acpi_cpufreq
 pcspkr
 fjes
 snd_timer
 joydev
 hp_wmi
 sparse_keymap
 i2c_piix4
 rfkill
 video
 snd
 serio_raw
 thermal
 wmi
 kvm_amd
 shpchp
 battery
 button
 soundcore
 kvm
 ac
 irqbypass
 dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679665 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth
 v4l2_common
 snd_hda_codec_realtek
 videodev
 snd_hda_codec_generic
 snd_hda_codec_hdmi
 snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679666 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth
 v4l2_common
 snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0
 ffffffff8107d1e2
 ffff880196a86800
 0000000000002000

 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679667 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679668 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679669 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967966a ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967966b ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967966c ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967966d ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth
 v4l2_common
 snd_hda_codec_realtek
 videodev
 snd_hda_codec_generic
 snd_hda_codec_hdmi
 snd_hda_intel
 snd_hda_codec
 arc4
 rt2800pci
 rt2800mmio
 rt2800lib
 rt2x00pci
 rt2x00mmio
 snd_hda_core
 rt2x00lib
 snd_hwdep
 snd_pcm
 mac80211
 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528
 ffff88010028fc68
 ffffffff8137f029
 0000000000000000

 ffff88010028fca0
 ffffffff8107d1e2
 ffff880196a86800
 0000000000002000

 000000005626092e
 0000000000001000
 ffff880198ffce00
 ffff88010028fcb0

Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967966e ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967966f ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679670 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679671 ]---
------------[ cut here ]------------
WARNING: CPU: 2 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 2 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679672 ]---
------------[ cut here ]------------
WARNING: CPU: 2 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 2 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679673 ]---
------------[ cut here ]------------
WARNING: CPU: 2 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 2 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679674 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679675 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679676 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679677 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679678 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679679 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967967a ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth
 v4l2_common
 snd_hda_codec_realtek
 videodev
 snd_hda_codec_generic
 snd_hda_codec_hdmi
 snd_hda_intel
 snd_hda_codec
 arc4
 rt2800pci
 rt2800mmio
 rt2800lib
 rt2x00pci
 rt2x00mmio
 snd_hda_core
 rt2x00lib
 snd_hwdep
 snd_pcm
 mac80211
 cfg80211
 snd_seq
 tpm_tis
 r8169
 eeprom_93cx6
 mii
 crc_ccitt
 snd_seq_device
 edac_mce_amd
 sp5100_tco
 edac_core
 k10temp
 tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967967b ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967967c ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967967d ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967967e ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth
 v4l2_common
 snd_hda_codec_realtek
 videodev
 snd_hda_codec_generic
 snd_hda_codec_hdmi
 snd_hda_intel
 snd_hda_codec
 arc4
 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528
 ffff88010028fc68
 ffffffff8137f029
 0000000000000000

 ffff88010028fca0
 ffffffff8107d1e2
 ffff880196a86800
 0000000000002000

 000000005626092e
 0000000000001000
 ffff880198ffce00
 ffff88010028fcb0

Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967967f ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6935 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6935 Comm: kworker/u8:7 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff880100bdf580 ffffffff8137f029 0000000000000000
 ffff880100bdf5b8 ffffffff8107d1e2 ffff880196a86800 00000000010dd000
 ffff8801970f6024 ffff880100bdf6cc ffff880198ffce00 ffff880100bdf5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x2fb/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679680 ]---
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=74.110.96.52 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=115 ID=9637 DF PROTO=TCP SPT=60335 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C0103030201010402) 
__readpage_endio_check: 668 callbacks suppressed
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
BTRFS warning (device sda6): csum failed ino 321 off 1445330944 csum 1384337785 expected csum 4200946733
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5066 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 5066 Comm: kworker/u8:1 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88011118b580 ffffffff8137f029 0000000000000000
 ffff88011118b5b8 ffffffff8107d1e2 ffff8800c86d8000 0000000000040000
 ffff88018cb84024 ffff88011118b6cc ffff880198ffce00 ffff88011118b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x2fb/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679681 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5066 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 5066 Comm: kworker/u8:1 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88011118b580 ffffffff8137f029 0000000000000000
 ffff88011118b5b8 ffffffff8107d1e2 ffff880196a86800 0000000000040000
 ffff880197178404 ffff88011118b6cc ffff880198ffce00 ffff88011118b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x2fb/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679682 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5066 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 5066 Comm: kworker/u8:1 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88011118b580 ffffffff8137f029 0000000000000000
 ffff88011118b5b8 ffffffff8107d1e2 ffff880196a86800 0000000000d16000
 ffff880197178404 ffff88011118b6cc ffff880198ffce00 ffff88011118b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x2fb/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679683 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 944 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 944 Comm: rs:main Q:Reg Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff880199203b00 ffffffff8137f029 0000000000000000
 ffff880199203b38 ffffffff8107d1e2 ffff880196a86800 0000000000001000
 ffff8801970f6024 ffff880199203c4c ffff880198ffce00 ffff880199203b48
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] clear_extent_bit+0x2a/0x30 [btrfs]
 [] lock_and_cleanup_extent_if_need+0x144/0x1f0 [btrfs]
 [] __btrfs_buffered_write+0x1cd/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679684 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5066 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 5066 Comm: kworker/u8:1 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88011118b580 ffffffff8137f029 0000000000000000
 ffff88011118b5b8 ffffffff8107d1e2 ffff8800cec29800 0000000000015000
 ffff880153481024 ffff88011118b6cc ffff880198ffce00 ffff88011118b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x2fb/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679685 ]---
------------[ cut here ]------------
WARNING: CPU: 2 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 2 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679686 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679687 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679688 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth
 v4l2_common
 snd_hda_codec_realtek
 videodev
 snd_hda_codec_generic
 snd_hda_codec_hdmi
 snd_hda_intel
 snd_hda_codec
 arc4
 rt2800pci
 rt2800mmio
 rt2800lib
 rt2x00pci
 rt2x00mmio
 snd_hda_core
 rt2x00lib
 snd_hwdep
 snd_pcm
 mac80211
 cfg80211
 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528
 ffff88010028fc68
 ffffffff8137f029
 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc9679689 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0 ffffffff8107d1e2 ffff880196a86800 0000000000002000
 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967968a ]---
------------[ cut here ]------------
WARNING: CPU: 2 PID: 6718 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth
 v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 2 PID: 6718 Comm: zypper Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
 ffffffffa0627528 ffff88010028fc68 ffffffff8137f029 0000000000000000
 ffff88010028fca0
 ffffffff8107d1e2
 ffff880196a86800
 0000000000002000

 000000005626092e 0000000000001000 ffff880198ffce00 ffff88010028fcb0
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_delalloc_release_space+0x2d/0x50 [btrfs]
 [] __btrfs_buffered_write+0x38f/0x5c0 [btrfs]
 [] btrfs_file_write_iter+0x262/0x5e0 [btrfs]
 [] __vfs_write+0xa7/0xf0
 [] vfs_write+0xa9/0x1a0
 [] SyS_write+0x46/0xa0
 [] entry_SYSCALL_64_fastpath+0x16/0x75
DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75

Leftover inexact backtrace:

---[ end trace 687f2b7cc967968b ]---
------------[ cut here ]------------
WARNING: CPU: 2 PID: 6935 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 2 PID: 6935 Comm: kworker/u8:7 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff880100bdf508 ffffffff8137f029 0000000000000000
 ffff880100bdf540 ffffffff8107d1e2 ffff8800cec29800 00000000002bc000
 ffff88009c0fc024 ffff880100bdf654 ffff880198ffce00 ffff880100bdf550
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] run_delalloc_nocow+0x91f/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x2fb/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967968c ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6935 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6935 Comm: kworker/u8:7 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff880100bdf580 ffffffff8137f029 0000000000000000
 ffff880100bdf5b8 ffffffff8107d1e2 ffff8800cec29800 0000000000040000
 ffff88009c0fc024 ffff880100bdf6cc ffff880198ffce00 ffff880100bdf5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x2fb/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967968d ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6935 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 3 PID: 6935 Comm: kworker/u8:7 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff880100bdf508 ffffffff8137f029 0000000000000000
 ffff880100bdf540 ffffffff8107d1e2 ffff8800cec29800 0000000000088000
 ffff88009c0fc024 ffff880100bdf654 ffff880198ffce00 ffff880100bdf550
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] run_delalloc_nocow+0x91f/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x2fb/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967968e ]---
[drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
[drm] PCIE GART of 512M enabled (table at 0x000000000025E000).
radeon 0000:02:00.0: WB enabled
radeon 0000:02:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff8800ccd80c00
radeon 0000:02:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff8800ccd80c0c
radeon 0000:02:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418 and cpu addr 0xffffc9000341c418
[drm] ring test on 0 succeeded in 1 usecs
[drm] ring test on 3 succeeded in 2 usecs
[drm] ring test on 5 succeeded in 1 usecs
[drm] UVD initialized successfully.
[drm] ib test on ring 0 succeeded in 0 usecs
[drm] ib test on ring 3 succeeded in 0 usecs
[drm] ib test on ring 5 succeeded
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=84.29.164.36 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=1947 DF PROTO=TCP SPT=60797 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C0103030201010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=128.68.49.32 DST=192.168.1.102 LEN=64 TOS=0x00 PREC=0x00 TTL=50 ID=60126 DF PROTO=TCP SPT=64804 DPT=46881 WINDOW=65535 RES=0x00 SYN URGP=0 OPT (0204058C010303050101080A59CA4E7A0000000004020000) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=47.63.165.7 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=48 ID=48772 DF PROTO=TCP SPT=55034 DPT=46881 WINDOW=29200 RES=0x00 SYN URGP=0 OPT (0204058C0402080A02147E270000000001030307) 
[drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
[drm] PCIE GART of 512M enabled (table at 0x000000000025E000).
radeon 0000:02:00.0: WB enabled
radeon 0000:02:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff8800ccd80c00
radeon 0000:02:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff8800ccd80c0c
radeon 0000:02:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418 and cpu addr 0xffffc9000341c418
[drm] ring test on 0 succeeded in 1 usecs
[drm] ring test on 3 succeeded in 2 usecs
[drm] ring test on 5 succeeded in 1 usecs
[drm] UVD initialized successfully.
[drm] ib test on ring 0 succeeded in 0 usecs
[drm] ib test on ring 3 succeeded in 0 usecs
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=84.144.86.229 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=51 ID=38900 DF PROTO=TCP SPT=39436 DPT=46881 WINDOW=29200 RES=0x00 SYN URGP=0 OPT (0204058C0402080A00D0E9030000000001030307) 
[drm] ib test on ring 5 succeeded
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=77.72.146.213 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=54 ID=59776 DF PROTO=TCP SPT=35822 DPT=46881 WINDOW=7300 RES=0x00 SYN URGP=0 OPT (0204058C0402080A23B4A3B30000000001030300) 
SFW2-INext-DROP-DEFLT IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=5.14.149.36 DST=192.168.1.102 LEN=129 TOS=0x00 PREC=0x00 TTL=114 ID=14457 PROTO=UDP SPT=48851 DPT=7881 LEN=109 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=194.68.171.214 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=50 ID=6959 DF PROTO=TCP SPT=47774 DPT=46881 WINDOW=7300 RES=0x00 SYN URGP=0 OPT (0204051C0402080A936FA6EB0000000001030300) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=141.239.174.116 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=53 ID=37990 DF PROTO=TCP SPT=35549 DPT=46881 WINDOW=7300 RES=0x00 SYN URGP=0 OPT (0204058C0402080A048DE0CF0000000001030300) 
SFW2-INext-DROP-DEFLT IN=wlo2 OUT= MAC= SRC=fe80:0000:0000:0000:72f3:95ff:fe71:c1cd DST=ff02:0000:0000:0000:0000:0000:0000:00fb LEN=84 TC=0 HOPLIMIT=255 FLOWLBL=595052 PROTO=UDP SPT=5353 DPT=5353 LEN=44 
SFW2-INext-DROP-DEFLT IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:70:f3:95:71:c1:cd:86:dd SRC=fe80:0000:0000:0000:72f3:95ff:fe71:c1cd DST=ff02:0000:0000:0000:0000:0000:0000:00fb LEN=84 TC=0 HOPLIMIT=255 FLOWLBL=595052 PROTO=UDP SPT=5353 DPT=5353 LEN=44 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=201.230.48.64 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=113 ID=21243 DF PROTO=TCP SPT=16623 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (020405780103030801010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=91.225.199.37 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=53 ID=60627 DF PROTO=TCP SPT=57499 DPT=46881 WINDOW=29200 RES=0x00 SYN URGP=0 OPT (0204058C0402080A00104DDC0000000001030307) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=1.10.237.198 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=110 ID=16742 DF PROTO=TCP SPT=20028 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C0103030201010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=88.246.60.234 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=113 ID=9886 DF PROTO=TCP SPT=51505 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C0103030201010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=1.120.110.124 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=108 ID=1081 DF PROTO=TCP SPT=55483 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (020404EC0103030801010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=109.172.55.43 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=47 ID=30705 DF PROTO=TCP SPT=56762 DPT=46881 WINDOW=7300 RES=0x00 SYN URGP=0 OPT (0204058C0402080A00612F0B0000000001030300) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=93.210.61.127 DST=192.168.1.102 LEN=48 TOS=0x00 PREC=0x00 TTL=51 ID=15089 DF PROTO=TCP SPT=52412 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C01010402) 
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b508 ffffffff8137f029 0000000000000000
 ffff88000368b540 ffffffff8107d1e2 ffff8800cec29800 0000000000425000
 ffff88009c0fc024 ffff88000368b654 ffff880198ffce00 ffff88000368b550
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] run_delalloc_nocow+0x91f/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967968f ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b508 ffffffff8137f029 0000000000000000
 ffff88000368b540 ffffffff8107d1e2 ffff8800cec29800 0000000000039000
 ffff88009c0fc024 ffff88000368b654 ffff880198ffce00 ffff88000368b550
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] run_delalloc_nocow+0x91f/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679690 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b508 ffffffff8137f029 0000000000000000
 ffff88000368b540 ffffffff8107d1e2 ffff8800cec29800 0000000000005000
 ffff88009c0fc024 ffff88000368b654 ffff880198ffce00 ffff88000368b550
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] run_delalloc_nocow+0x91f/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679691 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b508 ffffffff8137f029 0000000000000000
 ffff88000368b540 ffffffff8107d1e2 ffff8800cec29800 0000000000005000
 ffff88009c0fc024 ffff88000368b654 ffff880198ffce00 ffff88000368b550
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] run_delalloc_nocow+0x91f/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679692 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b508 ffffffff8137f029 0000000000000000
 ffff88000368b540 ffffffff8107d1e2 ffff8800cec29800 0000000000009000
 ffff88009c0fc024 ffff88000368b654 ffff880198ffce00 ffff88000368b550
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] run_delalloc_nocow+0x91f/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679693 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b470 ffffffff8137f029 0000000000000000
 ffff88000368b4a8 ffffffff8107d1e2 ffff8800c86d8000 0000000000001000
 ffff88018cb84024 ffff88000368b5bc ffff880198ffce00 ffff88000368b4b8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_nocow+0x3d6/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679694 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth
 v4l2_common
 snd_hda_codec_realtek
 videodev
 snd_hda_codec_generic
 snd_hda_codec_hdmi
 snd_hda_intel
 snd_hda_codec
 arc4
 rt2800pci
 rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 1 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn
 (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b470 ffffffff8137f029 0000000000000000
 ffff88000368b4a8
 ffffffff8107d1e2
 ffff8800c86d8000
 0000000000001000

 ffff88018cb84024 ffff88000368b5bc ffff880198ffce00 ffff88000368b4b8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_nocow+0x3d6/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679695 ]---
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=188.162.65.72 DST=192.168.1.102 LEN=60 TOS=0x08 PREC=0x20 TTL=49 ID=62157 DF PROTO=TCP SPT=39799 DPT=46881 WINDOW=65535 RES=0x00 SYN URGP=0 OPT (020405500402080A03291BE10000000001030306) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=117.213.184.48 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=63 ID=50321 DF PROTO=TCP SPT=55228 DPT=46881 WINDOW=29200 RES=0x00 SYN URGP=0 OPT (020405B40402080A001FCFAB0000000001030307) 
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff8800cec29800 0000000000040000
 ffff88009c0fc024 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679696 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff8800cd651000 0000000000004000
 ffff8800c2bf1bc4 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679697 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff8800cec29800 0000000000007000
 ffff88004c3d17e4 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679698 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff880196a86800 0000000000001000
 ffff8800c3df5404 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc9679699 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff880196a86800 0000000000001000
 ffff88016b0f57e4 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967969a ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff8800cec29800 0000000000001000
 ffff8800cf777024 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967969b ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff8800cec29800 0000000000001000
 ffff8800cf777024 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967969c ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b470 ffffffff8137f029 0000000000000000
 ffff88000368b4a8 ffffffff8107d1e2 ffff8800cec29800 0000000000001000
 ffff88009c0fc024 ffff88000368b5bc ffff880198ffce00 ffff88000368b4b8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x360/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_nocow+0x890/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967969d ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b508 ffffffff8137f029 0000000000000000
 ffff88000368b540 ffffffff8107d1e2 ffff8800cec29800 0000000000003000
 ffff88009c0fc024 ffff88000368b654 ffff880198ffce00 ffff88000368b550
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x360/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] run_delalloc_nocow+0x91f/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967969e ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b470 ffffffff8137f029 0000000000000000
 ffff88000368b4a8 ffffffff8107d1e2 ffff8800cec29800 0000000000001000
 ffff88009c0fc024 ffff88000368b5bc ffff880198ffce00 ffff88000368b4b8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_nocow+0x3d6/0xb00 [btrfs]
 [] run_delalloc_range+0x355/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc967969f ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff8800cec29800 0000000000001000
 ffff88004c3d17e4 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc96796a0 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6626 at ../fs/btrfs/extent-tree.c:4177 btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]()
Modules linked in: hid_generic usbhid drbg ansi_cprng ctr ccm rfcomm xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables nf_log_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_pkttype xt_physdev br_netfilter ppdev parport_pc xt_TCPMSS nf_log_ipv4 nf_log_common parport xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat fuse vmw_vsock_vmci_transport vsock vmw_vmci af_packet bridge stp llc iscsi_ibft iscsi_boot_sysfs ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables bnep uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btbcm videobuf2_core btintel
 bluetooth v4l2_common snd_hda_codec_realtek videodev snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec arc4 rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio snd_hda_core rt2x00lib snd_hwdep snd_pcm mac80211 cfg80211 snd_seq tpm_tis r8169 eeprom_93cx6 mii crc_ccitt snd_seq_device edac_mce_amd sp5100_tco edac_core k10temp tpm acpi_cpufreq pcspkr fjes snd_timer joydev hp_wmi sparse_keymap i2c_piix4 rfkill video snd serio_raw thermal wmi kvm_amd shpchp battery button soundcore kvm ac irqbypass dm_mod btrfs xor raid6_pq ohci_pci radeon sr_mod cdrom ehci_pci ohci_hcd ehci_hcd i2c_algo_bit usbcore drm_kms_helper syscopyarea sysfillrect usb_common sysimgblt fb_sys_fops ttm drm sg
CPU: 0 PID: 6626 Comm: kworker/u8:2 Tainted: G        W       4.4.0-rc2-1.g7eabae5-default #1
Hardware name: Hewlett-Packard Presario CQ62 Notebook PC/1445, BIOS F.27 02/16/2011
Workqueue: writeback wb_workfn (flush-btrfs-1)
 ffffffffa0627528 ffff88000368b580 ffffffff8137f029 0000000000000000
 ffff88000368b5b8 ffffffff8107d1e2 ffff8800cec29800 0000000000001000
 ffff88004c3d17e4 ffff88000368b6cc ffff880198ffce00 ffff88000368b5c8
Call Trace:
 [] try_stack_unwind+0x175/0x190
 [] dump_trace+0x93/0x3a0
 [] show_trace_log_lvl+0x4b/0x60
 [] show_stack_log_lvl+0x10c/0x180
 [] show_stack+0x25/0x50
 [] dump_stack+0x4b/0x72
 [] warn_slowpath_common+0x82/0xc0
 [] warn_slowpath_null+0x1a/0x20
 [] btrfs_free_reserved_data_space_noquota+0xde/0xf0 [btrfs]
 [] btrfs_clear_bit_hook+0x27f/0x350 [btrfs]
 [] clear_state_bit+0x5a/0x1d0 [btrfs]
 [] __clear_extent_bit+0x13b/0x3a0 [btrfs]
 [] extent_clear_unlock_delalloc+0x6b/0x250 [btrfs]
 [] cow_file_range+0x274/0x420 [btrfs]
 [] run_delalloc_range+0x387/0x3b0 [btrfs]
 [] writepage_delalloc.isra.35+0xf4/0x160 [btrfs]
 [] __extent_writepage+0xbb/0x330 [btrfs]
 [] extent_write_cache_pages.isra.31.constprop.51+0x2cd/0x3b0 [btrfs]
 [] extent_writepages+0x4d/0x70 [btrfs]
 [] btrfs_writepages+0x28/0x30 [btrfs]
 [] do_writepages+0x1e/0x30
 [] __writeback_single_inode+0x45/0x330
 [] writeback_sb_inodes+0x27d/0x500
 [] __writeback_inodes_wb+0x8c/0xc0
 [] wb_writeback+0x216/0x2d0
 [] wb_workfn+0x223/0x3b0
 [] process_one_work+0x159/0x470
 [] worker_thread+0x48/0x4a0
 [] kthread+0xc9/0xe0
 [] ret_from_fork+0x3f/0x70
DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

Leftover inexact backtrace:

 [] ? kthread_worker_fn+0x170/0x170
---[ end trace 687f2b7cc96796a1 ]---
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=187.240.19.192 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=15687 DF PROTO=TCP SPT=49618 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C0103030801010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=78.40.141.27 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=51 ID=43282 DF PROTO=TCP SPT=37966 DPT=46881 WINDOW=7300 RES=0x00 SYN URGP=0 OPT (0204058C0402080A05AEA3EE0000000001030300) 
SFW2-INext-DROP-DEFLT IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=177.157.209.6 DST=192.168.1.102 LEN=74 TOS=0x00 PREC=0x00 TTL=111 ID=24784 PROTO=UDP SPT=14808 DPT=7881 LEN=54 
SFW2-INext-DROP-DEFLT IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=177.157.209.6 DST=192.168.1.102 LEN=74 TOS=0x00 PREC=0x00 TTL=111 ID=24785 PROTO=UDP SPT=14808 DPT=7881 LEN=54 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=193.232.56.162 DST=192.168.1.102 LEN=60 TOS=0x00 PREC=0x00 TTL=51 ID=32653 PROTO=TCP SPT=47260 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C0402080A168B235C0000000001030300) 
SFW2-INext-DROP-DEFLT IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=219.84.31.92 DST=192.168.1.102 LEN=323 TOS=0x00 PREC=0x00 TTL=50 ID=3070 PROTO=UDP SPT=20275 DPT=7881 LEN=303 
SFW2-INext-DROP-DEFLT IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=77.97.80.105 DST=192.168.1.102 LEN=323 TOS=0x00 PREC=0x00 TTL=115 ID=29371 PROTO=UDP SPT=21822 DPT=7881 LEN=303 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=74.110.96.52 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=115 ID=10969 DF PROTO=TCP SPT=61158 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C0103030201010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=96.44.145.206 DST=192.168.1.102 LEN=52 TOS=0x08 PREC=0x00 TTL=115 ID=11339 DF PROTO=TCP SPT=57859 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (020405540103030801010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=5.13.161.143 DST=192.168.1.102 LEN=52 TOS=0x00 PREC=0x00 TTL=115 ID=3498 DF PROTO=TCP SPT=54981 DPT=46881 WINDOW=8192 RES=0x00 SYN URGP=0 OPT (0204058C0103030201010402) 
SFW2-INext-ACC-TCP IN=wlo2 OUT= MAC=70:f3:95:71:c1:cd:10:fe:ed:8f:dd:6c:08:00 SRC=174.35.238.203 DST=192.168.1.102 LEN=60 TOS=0x08 PREC=0x00 TTL=47 ID=10840 DF PROTO=TCP SPT=42380 DPT=46881 WINDOW=7300 RES=0x00 SYN URGP=0 OPT (0204058C0402080A021EBBA00000000001030300) 
[drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
[drm] PCIE GART of 512M enabled (table at 0x000000000025E000).
radeon 0000:02:00.0: WB enabled
radeon 0000:02:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff8800ccd80c00
radeon 0000:02:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff8800ccd80c0c
radeon 0000:02:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418 and cpu addr 0xffffc9000341c418
[drm] ring test on 0 succeeded in 1 usecs
[drm] ring test on 3 succeeded in 2 usecs
[drm] ring test on 5 succeeded in 1 usecs
[drm] UVD initialized successfully.
[drm] ib test on ring 0 succeeded in 0 usecs
[drm] ib test on ring 3 succeeded in 0 usecs
[drm] ib test on ring 5 succeeded

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