dmesg - pri4-4gb
Booting Linux on physical CPU 0x0
Linux version 4.19.46-v7l+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #866 SMP Fri Jun 7 18:00:39 BST 2019
CPU: ARMv7 Processor [410fd083] revision 3 (ARMv7), cr=30c5383d
CPU: div instructions available: patching division code
CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
OF: fdt: Machine model: Raspberry Pi 4 Model B Rev 1.1
Memory policy: Data cache writealloc
cma: Reserved 256 MiB at 0x000000001ec00000
On node 0 totalpages: 1012736
DMA zone: 1728 pages used for memmap
DMA zone: 0 pages reserved
DMA zone: 196608 pages, LIFO batch:63
HighMem zone: 816128 pages, LIFO batch:63
random: get_random_bytes called from start_kernel+0xc0/0x4e8 with crng_init=0
percpu: Embedded 17 pages/cpu s39488 r8192 d21952 u69632
pcpu-alloc: s39488 r8192 d21952 u69632 alloc=17*4096
pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
Built 1 zonelists, mobility grouping on. Total pages: 1011008
Kernel command line: 8250.nr_uarts=0 cma=64M cma=256M video=HDMI-A-1:1920x1080@60 smsc95xx.macaddr=DC:A6:32:06:E1:82 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=/dev/mmcblk0p7 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 3735600K/4050944K available (8192K kernel code, 658K rwdata, 2344K rodata, 2048K init, 850K bss, 53200K reserved, 262144K cma-reserved, 3264512K highmem)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xf0800000 - 0xff800000 ( 240 MB)
lowmem : 0xc0000000 - 0xf0000000 ( 768 MB)
pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
.text : 0x(ptrval) - 0x(ptrval) (10208 kB)
.init : 0x(ptrval) - 0x(ptrval) (2048 kB)
.data : 0x(ptrval) - 0x(ptrval) ( 659 kB)
.bss : 0x(ptrval) - 0x(ptrval) ( 851 kB)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
ftrace: allocating 28027 entries in 83 pages
rcu: Hierarchical RCU implementation.
NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
GIC: Using split EOI/Deactivate mode
arch_timer: cp15 timer(s) running at 54.00MHz (phys).
clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns
sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
Switching to timer-based delay loop, resolution 18ns
Console: colour dummy device 80x30
console [tty1] enabled
Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
CPU: Testing write buffer coherency: ok
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
Setting up static identity map for 0x200000 - 0x20003c
rcu: Hierarchical SRCU implementation.
smp: Bringing up secondary CPUs ...
CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
smp: Brought up 1 node, 4 CPUs
SMP: Total of 4 processors activated (432.00 BogoMIPS).
CPU: All CPU(s) started in HYP mode.
CPU: Virtualization extensions available.
devtmpfs: initialized
VFP support v0.3: implementor 41 architecture 3 part 40 variant 8 rev 0
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 1024 (order: 4, 65536 bytes)
pinctrl core: initialized pinctrl subsystem
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 8 bytes.
bcm2835-mbox fe00b880.mailbox: mailbox enabled
bcm2835-dma fe007000.dma: DMA legacy API manager at (ptrval), dmachans=0x1
vgaarb: loaded
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
raspberrypi-firmware soc:firmware: Attached to firmware from 2019-06-07 18:01, variant start
raspberrypi-firmware soc:firmware: Firmware hash is b5cfeb0a81046c23b73eb41dab3745fcf0601247
clocksource: Switched to clocksource arch_sys_counter
VFS: Disk quotas dquot_6.6.0
VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
FS-Cache: Loaded
CacheFiles: Loaded
simple-framebuffer 3e887000.framebuffer: framebuffer at 0x3e887000, 0x373800 bytes, mapped to 0x(ptrval)
simple-framebuffer 3e887000.framebuffer: format=r5g6b5, mode=1824x984x16, linelength=3648
Console: switching to colour frame buffer device 228x61
simple-framebuffer 3e887000.framebuffer: fb0: simplefb registered!
NET: Registered protocol family 2
tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes)
TCP established hash table entries: 8192 (order: 3, 32768 bytes)
TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
UDP hash table entries: 512 (order: 2, 16384 bytes)
UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
PCI: CLS 0 bytes, default 64
Initialise system trusted keyrings
workingset: timestamp_bits=14 max_order=20 bucket_order=6
FS-Cache: Netfs 'nfs' registered for caching
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
nfs4filelayout_init: NFSv4 File Layout Driver Registering...
Key type asymmetric registered
Asymmetric key parser 'x509' registered
bounce: pool size: 64 pages
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
io scheduler noop registered
io scheduler deadline registered (default)
io scheduler cfq registered
io scheduler mq-deadline registered (default)
io scheduler kyber registered
brcm-pcie fd500000.pcie: dmabounce: initialised - 32768 kB, threshold 0x00000000c0000000
brcm-pcie fd500000.pcie: could not get clock
brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
brcm-pcie fd500000.pcie: MEM 0x600000000..0x603ffffff -> 0xf8000000
brcm-pcie fd500000.pcie: link up, 5.0 Gbps x1 (!SSC)
brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [bus 00-01]
pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff])
pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
pci 0000:00:00.0: PME# supported from D0 D3hot
PCI: bus0: Fast back to back transfers disabled
pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
pci 0000:01:00.0: PME# supported from D0 D3cold
PCI: bus1: Fast back to back transfers disabled
pci_bus 0000:01: busn_res: [bus 01] end is updated to 01
pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
pci 0000:00:00.0: PCI bridge to [bus 01]
pci 0000:00:00.0: bridge window [mem 0x600000000-0x6000fffff]
pci 0000:00:00.0: enabling device (0140 -> 0142)
pci 0000:01:00.0: enabling device (0140 -> 0142)
iproc-rng200 fe104000.rng: hwrng registered
vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
vc-sm: Videocore shared memory driver
gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
brd: module loaded
loop: module loaded
Loading iSCSI transport class v2.0-870.
libphy: Fixed MDIO Bus: probed
bcmgenet fd580000.genet: failed to get enet clock
bcmgenet fd580000.genet: GENET 5.0 EPHY: 0x0000
bcmgenet fd580000.genet: failed to get enet-wol clock
bcmgenet fd580000.genet: failed to get enet-eee clock
unimac-mdio unimac-mdio.-19: DMA mask not set
libphy: bcmgenet MII bus: probed
unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus at 0x(ptrval)
usbcore: registered new interface driver r8152
usbcore: registered new interface driver lan78xx
usbcore: registered new interface driver smsc95xx
xhci_hcd 0000:01:00.0: xHCI Host Controller
xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000000000000890
genirq: irq_chip Brcm_MSI did not update eff. affinity mask of irq 55
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: xHCI Host Controller
usb usb1: Manufacturer: Linux 4.19.46-v7l+ xhci-hcd
usb usb1: SerialNumber: 0000:01:00.0
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
xhci_hcd 0000:01:00.0: xHCI Host Controller
xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 4.19
usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: xHCI Host Controller
usb usb2: Manufacturer: Linux 4.19.46-v7l+ xhci-hcd
usb usb2: SerialNumber: 0000:01:00.0
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 4 ports detected
dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
dwc_otg fe980000.usb: base=(ptrval)
Core Release: 2.80a
Setting default values for core params
Finished setting default values for core params
Using Buffer DMA mode
Periodic Transfer Interrupt Enhancement - disabled
Multiprocessor Interrupt Enhancement - disabled
OTG VER PARAM: 0, OTG VER FLAG: 0
Dedicated Tx FIFOs mode
WARN::dwc_otg_hcd_init:1045: FIQ DMA bounce buffers: virt = dec70000 dma = 0x00000000dec70000 len=9024
FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
dwc_otg: Microframe scheduler enabled
WARN::hcd_init_fiq:457: FIQ on core 1
WARN::hcd_init_fiq:458: FIQ ASM at c07ad858 length 36
WARN::hcd_init_fiq:497: MPHI regs_base at f0810200
dwc_otg fe980000.usb: DWC OTG Controller
dwc_otg fe980000.usb: new USB bus registered, assigned bus number 3
dwc_otg fe980000.usb: irq 36, io mem 0x00000000
Init: Port Power? op_state=1
Init: Power Port (0)
usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb3: Product: DWC OTG Controller
usb usb3: Manufacturer: Linux 4.19.46-v7l+ dwc_otg_hcd
usb usb3: SerialNumber: fe980000.usb
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 1 port detected
dwc_otg: FIQ enabled
dwc_otg: NAK holdoff enabled
dwc_otg: FIQ split-transaction FSM enabled
Module dwc_common_port init
usbcore: registered new interface driver uas
usbcore: registered new interface driver usb-storage
mousedev: PS/2 mouse device common for all mice
bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
bcm2835-cpufreq: min=600000 max=1500000
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
sdhci-pltfm: SDHCI platform and OF driver helper
ledtrig-cpu: registered to indicate activity on CPUs
hidraw: raw HID events driver (C) Jiri Kosina
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
vchiq: vchiq_init_state: slot_zero = (ptrval), is_master = 0
[vc_sm_connected_init]: start
[vc_sm_connected_init]: end - returning 0
bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[vc_sm_connected_init]: start
[vc_sm_connected_init]: installed successfully
Initializing XFRM netlink socket
NET: Registered protocol family 17
Key type dns_resolver registered
Registering SWP/SWPB emulation handler
registered taskstats version 1
Loading compiled-in X.509 certificates
bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
brcmstb_thermal fd5d2200.thermal: registered AVS TMON of-sensor driver
mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
sdhci-iproc fe340000.emmc2: Linked as a consumer to regulator.1
mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
of_cfs_init
of_cfs_init: OK
Waiting for root device /dev/mmcblk0p7...
random: fast init done
usb 1-1: new high-speed USB device number 2 using xhci_hcd
mmc1: new high speed SDIO card at address 0001
mmc0: new ultra high speed DDR50 SDHC card at address aaaa
mmcblk0: mmc0:aaaa SL16G 14.8 GiB
mmcblk0: p1 p2 < p5 p6 p7 >
EXT4-fs (mmcblk0p7): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) readonly on device 179:7.
devtmpfs: mounted
Freeing unused kernel memory: 2048K
Run /sbin/init as init process
usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.20
usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
usb 1-1: Product: USB2.0 Hub
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected
usb 1-1.4: new high-speed USB device number 3 using xhci_hcd
systemd[1]: System time before build time, advancing clock.
NET: Registered protocol family 10
Segment Routing with IPv6
usb 1-1.4: New USB device found, idVendor=05e3, idProduct=0610, bcdDevice=32.98
usb 1-1.4: New USB device strings: Mfr=0, Product=1, SerialNumber=0
usb 1-1.4: Product: USB2.0 Hub
hub 1-1.4:1.0: USB hub found
hub 1-1.4:1.0: 4 ports detected
systemd[1]: systemd 241 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid)
systemd[1]: Detected architecture arm.
systemd[1]: Set hostname to .
systemd[1]: File /lib/systemd/system/systemd-journald.service:12 configures an IP firewall (IPAddressDeny=any), but the local system does not support BPF/cgroup based firewalling.
systemd[1]: Proceeding WITHOUT firewalling in effect! (This warning is only shown for the first loaded unit using IP firewalling.)
usb 1-1.4.1: new low-speed USB device number 4 using xhci_hcd
usb 1-1.4.1: New USB device found, idVendor=04d9, idProduct=0006, bcdDevice= 1.10
usb 1-1.4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1.4.1: Product: RPI Wired Keyboard 4
usb 1-1.4.1: Manufacturer:
input: RPI Wired Keyboard 4 as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4.1/1-1.4.1:1.0/0003:04D9:0006.0001/input/input0
hid-generic 0003:04D9:0006.0001: input,hidraw0: USB HID v1.11 Keyboard [ RPI Wired Keyboard 4] on usb-0000:01:00.0-1.4.1/input0
random: systemd: uninitialized urandom read (16 bytes read)
input: RPI Wired Keyboard 4 as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4.1/1-1.4.1:1.1/0003:04D9:0006.0002/input/input1
random: systemd: uninitialized urandom read (16 bytes read)
systemd[1]: Listening on Syslog Socket.
random: systemd: uninitialized urandom read (16 bytes read)
systemd[1]: Created slice User and Session Slice.
systemd[1]: Reached target Slices.
systemd[1]: Created slice system-systemd\x2dfsck.slice.
systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
hid-generic 0003:04D9:0006.0002: input,hidraw1: USB HID v1.11 Device [ RPI Wired Keyboard 4] on usb-0000:01:00.0-1.4.1/input1
i2c /dev entries driver
usb 1-1.4.2: new low-speed USB device number 5 using xhci_hcd
usb 1-1.4.2: New USB device found, idVendor=093a, idProduct=2510, bcdDevice= 1.00
usb 1-1.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1.4.2: Product: USB Optical Mouse
usb 1-1.4.2: Manufacturer: PixArt
input: PixArt USB Optical Mouse as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4.2/1-1.4.2:1.0/0003:093A:2510.0003/input/input2
hid-generic 0003:093A:2510.0003: input,hidraw2: USB HID v1.11 Mouse [PixArt USB Optical Mouse] on usb-0000:01:00.0-1.4.2/input0
EXT4-fs (mmcblk0p7): re-mounted. Opts: (null)
systemd-journald[109]: Received request to flush runtime journal from PID 1
snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
bcm2835_audio soc:audio: card created with 8 channels
cfg80211: Loading compiled-in X.509 certificates for regulatory database
[drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0
cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
vc4-drm soc:gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])
checking generic (3e887000 373800) vs hw (0 ffffffffffffffff)
fb: switching to vc4drmfb from simple
Console: switching to colour dummy device 80x30
[drm] Initialized vc4 0.0.0 20140616 for soc:gpu on minor 1
[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[drm] No driver support for vblank timestamp query.
[drm] Setting vblank_disable_immediate to false because get_vblank_timestamp == NULL
brcmfmac: F1 signature read @0x18000000=0x15264345
brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
usbcore: registered new interface driver brcmfmac
Console: switching to colour frame buffer device 240x67
vc4-drm soc:gpu: fb0: DRM emulated frame buffer device
argon-mem feb00000.hevc-decoder: argon-hevcmem initialised: Registers at 0xfeb00000 length 0x0000ffff
argon-mem feb10000.argon-local-intc: argon-intcmem initialised: Registers at 0xfeb10000 length 0x00000fff
argon-mem feb20000.h264-decoder: argon-h264mem initialised: Registers at 0xfeb20000 length 0x0000ffff
argon-mem feb30000.vp9-decoder: argon-vp9mem initialised: Registers at 0xfeb30000 length 0x0000ffff
media: Linux media interface: v0.10
videodev: Linux video capture interface: v2.00
bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Feb 27 2018 03:15:32 version 7.45.154 (r684107 CY) FWID 01-4fbe0b04
bcm2835-codec bcm2835-codec: Device registered as /dev/video10
bcm2835-codec bcm2835-codec: Loaded V4L2 decode
bcm2835-codec bcm2835-codec: Device registered as /dev/video11
bcm2835-codec bcm2835-codec: Loaded V4L2 encode
bcm2835-codec bcm2835-codec: Device registered as /dev/video12
bcm2835-codec bcm2835-codec: Loaded V4L2 isp
8021q: 802.1Q VLAN Support v1.8
random: crng init done
random: 7 urandom warning(s) missed due to ratelimiting
Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
brcmfmac: power management disabled
bcmgenet fd580000.genet: configuring instance for external RGMII (no delay)
IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
bcmgenet fd580000.genet eth0: Link is Down
fuse init (API version 7.27)
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Bluetooth: Core ver 2.22
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Bluetooth: L2CAP socket layer initialized
Bluetooth: SCO socket layer initialized
Bluetooth: HCI UART driver ver 2.3
Bluetooth: HCI UART protocol H4 registered
Bluetooth: HCI UART protocol Three-wire (H5) registered
Bluetooth: HCI UART protocol Broadcom registered
Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Bluetooth: BNEP filters: protocol multicast
Bluetooth: BNEP socket layer initialized
Bluetooth: RFCOMM TTY layer initialized
Bluetooth: RFCOMM socket layer initialized
Bluetooth: RFCOMM ver 1.11
------------[ cut here ]------------
WARNING: CPU: 0 PID: 509 at drivers/gpu/drm/vc4/vc4_firmware_kms.c:863 vc4_crtc_atomic_flush+0x98/0x9c [vc4]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 509 Comm: Xorg Tainted: G C 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (vc4_crtc_atomic_flush+0x98/0x9c [vc4])
[] (vc4_crtc_atomic_flush [vc4]) from [] (drm_atomic_helper_commit_planes+0x1a4/0x298 [drm_kms_helper])
[] (drm_atomic_helper_commit_planes [drm_kms_helper]) from [] (vc4_atomic_complete_commit+0x60/0x33c [vc4])
[] (vc4_atomic_complete_commit [vc4]) from [] (vc4_atomic_commit+0xe0/0x194 [vc4])
[] (vc4_atomic_commit [vc4]) from [] (drm_atomic_commit+0x5c/0x60 [drm])
[] (drm_atomic_commit [drm]) from [] (drm_mode_atomic_ioctl+0x98c/0xb78 [drm])
[] (drm_mode_atomic_ioctl [drm]) from [] (drm_ioctl_kernel+0xb4/0xf0 [drm])
[] (drm_ioctl_kernel [drm]) from [] (drm_ioctl+0x230/0x3cc [drm])
[] (drm_ioctl [drm]) from [] (do_vfs_ioctl+0xbc/0x804)
[] (do_vfs_ioctl) from [] (ksys_ioctl+0x44/0x6c)
[] (ksys_ioctl) from [] (sys_ioctl+0x18/0x1c)
[] (sys_ioctl) from [] (ret_fast_syscall+0x0/0x28)
Exception stack(0xda45bfa8 to 0xda45bff0)
bfa0: 0178d2c0 becdca78 0000000c c03864bc becdca78 00000000
bfc0: 0178d2c0 becdca78 c03864bc 00000036 0171cdb8 018a90e8 0186a3b8 0000002d
bfe0: b6d3708c becdca44 b6d1e594 b69aa51c
---[ end trace 42d42105b1ed20dd ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 27754 at drivers/gpu/drm/drm_vblank.c:1026 drm_vblank_put+0xf0/0x100 [drm]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 27754 Comm: cc1 Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (drm_vblank_put+0xf0/0x100 [drm])
[] (drm_vblank_put [drm]) from [] (drm_crtc_vblank_put+0x24/0x28 [drm])
[] (drm_crtc_vblank_put [drm]) from [] (vc4_crtc_irq_handler+0x88/0xc4 [vc4])
[] (vc4_crtc_irq_handler [vc4]) from [] (__handle_irq_event_percpu+0xc0/0x22c)
[] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x3c/0x8c)
[] (handle_irq_event_percpu) from [] (handle_irq_event+0x54/0x78)
[] (handle_irq_event) from [] (handle_fasteoi_irq+0xb4/0x194)
[] (handle_fasteoi_irq) from [] (generic_handle_irq+0x34/0x44)
[] (generic_handle_irq) from [] (__handle_domain_irq+0x6c/0xc4)
[] (__handle_domain_irq) from [] (gic_handle_irq+0x4c/0x88)
[] (gic_handle_irq) from [] (__irq_usr+0x4c/0x60)
Exception stack(0xd6355fb0 to 0xd6355ff8)
5fa0: b50b1ac8 00002000 00000002 00000000
5fc0: 00000000 b50acaa8 00002001 b50ae580 00000004 0119ce0c 01254870 b50b4500
5fe0: b50b4520 becde450 00ccdacc 00cce368 60000010 ffffffff
---[ end trace 42d42105b1ed20de ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 509 at drivers/gpu/drm/vc4/vc4_firmware_kms.c:863 vc4_crtc_atomic_flush+0x98/0x9c [vc4]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 509 Comm: Xorg Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (vc4_crtc_atomic_flush+0x98/0x9c [vc4])
[] (vc4_crtc_atomic_flush [vc4]) from [] (drm_atomic_helper_commit_planes+0x1a4/0x298 [drm_kms_helper])
[] (drm_atomic_helper_commit_planes [drm_kms_helper]) from [] (vc4_atomic_complete_commit+0x60/0x33c [vc4])
[] (vc4_atomic_complete_commit [vc4]) from [] (vc4_atomic_commit+0xe0/0x194 [vc4])
[] (vc4_atomic_commit [vc4]) from [] (drm_atomic_commit+0x5c/0x60 [drm])
[] (drm_atomic_commit [drm]) from [] (drm_mode_atomic_ioctl+0x98c/0xb78 [drm])
[] (drm_mode_atomic_ioctl [drm]) from [] (drm_ioctl_kernel+0xb4/0xf0 [drm])
[] (drm_ioctl_kernel [drm]) from [] (drm_ioctl+0x230/0x3cc [drm])
[] (drm_ioctl [drm]) from [] (do_vfs_ioctl+0xbc/0x804)
[] (do_vfs_ioctl) from [] (ksys_ioctl+0x44/0x6c)
[] (ksys_ioctl) from [] (sys_ioctl+0x18/0x1c)
[] (sys_ioctl) from [] (ret_fast_syscall+0x0/0x28)
Exception stack(0xda45bfa8 to 0xda45bff0)
bfa0: 0186bba0 becdcab0 0000000c c03864bc becdcab0 00000000
bfc0: 0186bba0 becdcab0 c03864bc 00000036 0186a3b0 0175f138 0171cdc0 0000002d
bfe0: b6d3708c becdca7c b6d1e594 b69aa51c
---[ end trace 42d42105b1ed20df ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5558 at drivers/gpu/drm/drm_vblank.c:1026 drm_vblank_put+0xf0/0x100 [drm]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 5558 Comm: cc1 Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (drm_vblank_put+0xf0/0x100 [drm])
[] (drm_vblank_put [drm]) from [] (drm_crtc_vblank_put+0x24/0x28 [drm])
[] (drm_crtc_vblank_put [drm]) from [] (vc4_crtc_irq_handler+0x88/0xc4 [vc4])
[] (vc4_crtc_irq_handler [vc4]) from [] (__handle_irq_event_percpu+0xc0/0x22c)
[] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x3c/0x8c)
[] (handle_irq_event_percpu) from [] (handle_irq_event+0x54/0x78)
[] (handle_irq_event) from [] (handle_fasteoi_irq+0xb4/0x194)
[] (handle_fasteoi_irq) from [] (generic_handle_irq+0x34/0x44)
[] (generic_handle_irq) from [] (__handle_domain_irq+0x6c/0xc4)
[] (__handle_domain_irq) from [] (gic_handle_irq+0x4c/0x88)
[] (gic_handle_irq) from [] (__irq_usr+0x4c/0x60)
Exception stack(0xc0093fb0 to 0xc0093ff8)
3fa0: 00000001 00000000 00000000 00000020
3fc0: b66946d8 b66946d8 00f76b74 00000001 00000004 b667a9c0 02042049 b6684f00
3fe0: b668b900 bed8cc08 00000000 00aa2ec0 20000010 ffffffff
---[ end trace 42d42105b1ed20e0 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 509 at drivers/gpu/drm/vc4/vc4_firmware_kms.c:863 vc4_crtc_atomic_flush+0x98/0x9c [vc4]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 3 PID: 509 Comm: Xorg Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (vc4_crtc_atomic_flush+0x98/0x9c [vc4])
[] (vc4_crtc_atomic_flush [vc4]) from [] (drm_atomic_helper_commit_planes+0x1a4/0x298 [drm_kms_helper])
[] (drm_atomic_helper_commit_planes [drm_kms_helper]) from [] (vc4_atomic_complete_commit+0x60/0x33c [vc4])
[] (vc4_atomic_complete_commit [vc4]) from [] (vc4_atomic_commit+0xe0/0x194 [vc4])
[] (vc4_atomic_commit [vc4]) from [] (drm_atomic_commit+0x5c/0x60 [drm])
[] (drm_atomic_commit [drm]) from [] (drm_mode_atomic_ioctl+0x98c/0xb78 [drm])
[] (drm_mode_atomic_ioctl [drm]) from [] (drm_ioctl_kernel+0xb4/0xf0 [drm])
[] (drm_ioctl_kernel [drm]) from [] (drm_ioctl+0x230/0x3cc [drm])
[] (drm_ioctl [drm]) from [] (do_vfs_ioctl+0xbc/0x804)
[] (do_vfs_ioctl) from [] (ksys_ioctl+0x44/0x6c)
[] (ksys_ioctl) from [] (sys_ioctl+0x18/0x1c)
[] (sys_ioctl) from [] (ret_fast_syscall+0x0/0x28)
Exception stack(0xda45bfa8 to 0xda45bff0)
bfa0: 015e5460 becdcab0 0000000c c03864bc becdcab0 00000000
bfc0: 015e5460 becdcab0 c03864bc 00000036 01749ef8 01828bb0 01801768 0000002d
bfe0: b6d3708c becdca7c b6d1e594 b69aa51c
---[ end trace 42d42105b1ed20e1 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/drm_vblank.c:1026 drm_vblank_put+0xf0/0x100 [drm]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (drm_vblank_put+0xf0/0x100 [drm])
[] (drm_vblank_put [drm]) from [] (drm_crtc_vblank_put+0x24/0x28 [drm])
[] (drm_crtc_vblank_put [drm]) from [] (vc4_crtc_irq_handler+0x88/0xc4 [vc4])
[] (vc4_crtc_irq_handler [vc4]) from [] (__handle_irq_event_percpu+0xc0/0x22c)
[] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x3c/0x8c)
[] (handle_irq_event_percpu) from [] (handle_irq_event+0x54/0x78)
[] (handle_irq_event) from [] (handle_fasteoi_irq+0xb4/0x194)
[] (handle_fasteoi_irq) from [] (generic_handle_irq+0x34/0x44)
[] (generic_handle_irq) from [] (__handle_domain_irq+0x6c/0xc4)
[] (__handle_domain_irq) from [] (gic_handle_irq+0x4c/0x88)
[] (gic_handle_irq) from [] (__irq_svc+0x5c/0x7c)
Exception stack(0xc1001ed8 to 0xc1001f20)
1ec0: c0209a84 00000000
1ee0: 40000093 40000093 c1004dbc c1000000 c1004e04 00000001 c10957ca c10a4a80
1f00: c0e67a38 c1001f34 c10051c4 c1001f28 00000000 c0209a88 40000013 ffffffff
[] (__irq_svc) from [] (arch_cpu_idle+0x34/0x4c)
[] (arch_cpu_idle) from [] (default_idle_call+0x34/0x48)
[] (default_idle_call) from [] (do_idle+0xec/0x17c)
[] (do_idle) from [] (cpu_startup_entry+0x28/0x2c)
[] (cpu_startup_entry) from [] (rest_init+0xbc/0xc0)
[] (rest_init) from [] (start_kernel+0x4b8/0x4e8)
---[ end trace 42d42105b1ed20e2 ]---
------------[ cut here ]------------
WARNING: CPU: 2 PID: 509 at drivers/gpu/drm/vc4/vc4_firmware_kms.c:863 vc4_crtc_atomic_flush+0x98/0x9c [vc4]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 2 PID: 509 Comm: Xorg Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (vc4_crtc_atomic_flush+0x98/0x9c [vc4])
[] (vc4_crtc_atomic_flush [vc4]) from [] (drm_atomic_helper_commit_planes+0x1a4/0x298 [drm_kms_helper])
[] (drm_atomic_helper_commit_planes [drm_kms_helper]) from [] (vc4_atomic_complete_commit+0x60/0x33c [vc4])
[] (vc4_atomic_complete_commit [vc4]) from [] (vc4_atomic_commit+0xe0/0x194 [vc4])
[] (vc4_atomic_commit [vc4]) from [] (drm_atomic_commit+0x5c/0x60 [drm])
[] (drm_atomic_commit [drm]) from [] (drm_mode_atomic_ioctl+0x98c/0xb78 [drm])
[] (drm_mode_atomic_ioctl [drm]) from [] (drm_ioctl_kernel+0xb4/0xf0 [drm])
[] (drm_ioctl_kernel [drm]) from [] (drm_ioctl+0x230/0x3cc [drm])
[] (drm_ioctl [drm]) from [] (do_vfs_ioctl+0xbc/0x804)
[] (do_vfs_ioctl) from [] (ksys_ioctl+0x44/0x6c)
[] (ksys_ioctl) from [] (sys_ioctl+0x18/0x1c)
[] (sys_ioctl) from [] (ret_fast_syscall+0x0/0x28)
Exception stack(0xda45bfa8 to 0xda45bff0)
bfa0: 0182bf88 becdcab0 0000000c c03864bc becdcab0 00000000
bfc0: 0182bf88 becdcab0 c03864bc 00000036 00f6c508 018ce858 018cf118 0000002d
bfe0: b6d3708c becdca7c b6d1e594 b69aa51c
---[ end trace 42d42105b1ed20e3 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/drm_vblank.c:1026 drm_vblank_put+0xf0/0x100 [drm]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (drm_vblank_put+0xf0/0x100 [drm])
[] (drm_vblank_put [drm]) from [] (drm_crtc_vblank_put+0x24/0x28 [drm])
[] (drm_crtc_vblank_put [drm]) from [] (vc4_crtc_irq_handler+0x88/0xc4 [vc4])
[] (vc4_crtc_irq_handler [vc4]) from [] (__handle_irq_event_percpu+0xc0/0x22c)
[] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x3c/0x8c)
[] (handle_irq_event_percpu) from [] (handle_irq_event+0x54/0x78)
[] (handle_irq_event) from [] (handle_fasteoi_irq+0xb4/0x194)
[] (handle_fasteoi_irq) from [] (generic_handle_irq+0x34/0x44)
[] (generic_handle_irq) from [] (__handle_domain_irq+0x6c/0xc4)
[] (__handle_domain_irq) from [] (gic_handle_irq+0x4c/0x88)
[] (gic_handle_irq) from [] (__irq_svc+0x5c/0x7c)
Exception stack(0xc1001ed8 to 0xc1001f20)
1ec0: c0209a84 00000000
1ee0: 40000093 40000093 c1004dbc c1000000 c1004e04 00000001 c10957ca c10a4a80
1f00: c0e67a38 c1001f34 c10051c4 c1001f28 00000000 c0209a88 40000013 ffffffff
[] (__irq_svc) from [] (arch_cpu_idle+0x34/0x4c)
[] (arch_cpu_idle) from [] (default_idle_call+0x34/0x48)
[] (default_idle_call) from [] (do_idle+0xec/0x17c)
[] (do_idle) from [] (cpu_startup_entry+0x28/0x2c)
[] (cpu_startup_entry) from [] (rest_init+0xbc/0xc0)
[] (rest_init) from [] (start_kernel+0x4b8/0x4e8)
---[ end trace 42d42105b1ed20e4 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 509 at drivers/gpu/drm/vc4/vc4_firmware_kms.c:863 vc4_crtc_atomic_flush+0x98/0x9c [vc4]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 509 Comm: Xorg Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (vc4_crtc_atomic_flush+0x98/0x9c [vc4])
[] (vc4_crtc_atomic_flush [vc4]) from [] (drm_atomic_helper_commit_planes+0x1a4/0x298 [drm_kms_helper])
[] (drm_atomic_helper_commit_planes [drm_kms_helper]) from [] (vc4_atomic_complete_commit+0x60/0x33c [vc4])
[] (vc4_atomic_complete_commit [vc4]) from [] (vc4_atomic_commit+0xe0/0x194 [vc4])
[] (vc4_atomic_commit [vc4]) from [] (drm_atomic_commit+0x5c/0x60 [drm])
[] (drm_atomic_commit [drm]) from [] (drm_mode_atomic_ioctl+0x98c/0xb78 [drm])
[] (drm_mode_atomic_ioctl [drm]) from [] (drm_ioctl_kernel+0xb4/0xf0 [drm])
[] (drm_ioctl_kernel [drm]) from [] (drm_ioctl+0x230/0x3cc [drm])
[] (drm_ioctl [drm]) from [] (do_vfs_ioctl+0xbc/0x804)
[] (do_vfs_ioctl) from [] (ksys_ioctl+0x44/0x6c)
[] (ksys_ioctl) from [] (sys_ioctl+0x18/0x1c)
[] (sys_ioctl) from [] (ret_fast_syscall+0x0/0x28)
Exception stack(0xda45bfa8 to 0xda45bff0)
bfa0: 01744eb8 becdcab0 0000000c c03864bc becdcab0 00000000
bfc0: 01744eb8 becdcab0 c03864bc 00000036 018db0c8 018ce858 017bbba8 0000002d
bfe0: b6d3708c becdca7c b6d1e594 b69aa51c
---[ end trace 42d42105b1ed20e5 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/drm_vblank.c:1026 drm_vblank_put+0xf0/0x100 [drm]
Modules linked in: rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (drm_vblank_put+0xf0/0x100 [drm])
[] (drm_vblank_put [drm]) from [] (drm_crtc_vblank_put+0x24/0x28 [drm])
[] (drm_crtc_vblank_put [drm]) from [] (vc4_crtc_irq_handler+0x88/0xc4 [vc4])
[] (vc4_crtc_irq_handler [vc4]) from [] (__handle_irq_event_percpu+0xc0/0x22c)
[] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x3c/0x8c)
[] (handle_irq_event_percpu) from [] (handle_irq_event+0x54/0x78)
[] (handle_irq_event) from [] (handle_fasteoi_irq+0xb4/0x194)
[] (handle_fasteoi_irq) from [] (generic_handle_irq+0x34/0x44)
[] (generic_handle_irq) from [] (__handle_domain_irq+0x6c/0xc4)
[] (__handle_domain_irq) from [] (gic_handle_irq+0x4c/0x88)
[] (gic_handle_irq) from [] (__irq_svc+0x5c/0x7c)
Exception stack(0xc1001ed8 to 0xc1001f20)
1ec0: c0209a84 00000000
1ee0: 40000093 40000093 c1004dbc c1000000 c1004e04 00000001 c10957ca c10a4a80
1f00: c0e67a38 c1001f34 c10051c4 c1001f28 00000000 c0209a88 40000013 ffffffff
[] (__irq_svc) from [] (arch_cpu_idle+0x34/0x4c)
[] (arch_cpu_idle) from [] (default_idle_call+0x34/0x48)
[] (default_idle_call) from [] (do_idle+0xec/0x17c)
[] (do_idle) from [] (cpu_startup_entry+0x28/0x2c)
[] (cpu_startup_entry) from [] (rest_init+0xbc/0xc0)
[] (rest_init) from [] (start_kernel+0x4b8/0x4e8)
---[ end trace 42d42105b1ed20e6 ]---
------------[ cut here ]------------
WARNING: CPU: 3 PID: 509 at drivers/gpu/drm/vc4/vc4_firmware_kms.c:863 vc4_crtc_atomic_flush+0x98/0x9c [vc4]
Modules linked in: tcp_diag inet_diag rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 3 PID: 509 Comm: Xorg Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (vc4_crtc_atomic_flush+0x98/0x9c [vc4])
[] (vc4_crtc_atomic_flush [vc4]) from [] (drm_atomic_helper_commit_planes+0x1a4/0x298 [drm_kms_helper])
[] (drm_atomic_helper_commit_planes [drm_kms_helper]) from [] (vc4_atomic_complete_commit+0x60/0x33c [vc4])
[] (vc4_atomic_complete_commit [vc4]) from [] (vc4_atomic_commit+0xe0/0x194 [vc4])
[] (vc4_atomic_commit [vc4]) from [] (drm_atomic_commit+0x5c/0x60 [drm])
[] (drm_atomic_commit [drm]) from [] (drm_mode_atomic_ioctl+0x98c/0xb78 [drm])
[] (drm_mode_atomic_ioctl [drm]) from [] (drm_ioctl_kernel+0xb4/0xf0 [drm])
[] (drm_ioctl_kernel [drm]) from [] (drm_ioctl+0x230/0x3cc [drm])
[] (drm_ioctl [drm]) from [] (do_vfs_ioctl+0xbc/0x804)
[] (do_vfs_ioctl) from [] (ksys_ioctl+0x44/0x6c)
[] (ksys_ioctl) from [] (sys_ioctl+0x18/0x1c)
[] (sys_ioctl) from [] (ret_fast_syscall+0x0/0x28)
Exception stack(0xda45bfa8 to 0xda45bff0)
bfa0: 01680458 becdcab0 0000000c c03864bc becdcab0 00000000
bfc0: 01680458 becdcab0 c03864bc 00000036 018db0c8 018d6290 0176da50 0000002d
bfe0: b6d3708c becdca7c b6d1e594 b69aa51c
---[ end trace 42d42105b1ed20e7 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/drm_vblank.c:1026 drm_vblank_put+0xf0/0x100 [drm]
Modules linked in: tcp_diag inet_diag rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (drm_vblank_put+0xf0/0x100 [drm])
[] (drm_vblank_put [drm]) from [] (drm_crtc_vblank_put+0x24/0x28 [drm])
[] (drm_crtc_vblank_put [drm]) from [] (vc4_crtc_irq_handler+0x88/0xc4 [vc4])
[] (vc4_crtc_irq_handler [vc4]) from [] (__handle_irq_event_percpu+0xc0/0x22c)
[] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x3c/0x8c)
[] (handle_irq_event_percpu) from [] (handle_irq_event+0x54/0x78)
[] (handle_irq_event) from [] (handle_fasteoi_irq+0xb4/0x194)
[] (handle_fasteoi_irq) from [] (generic_handle_irq+0x34/0x44)
[] (generic_handle_irq) from [] (__handle_domain_irq+0x6c/0xc4)
[] (__handle_domain_irq) from [] (gic_handle_irq+0x4c/0x88)
[] (gic_handle_irq) from [] (__irq_svc+0x5c/0x7c)
Exception stack(0xc1001ed8 to 0xc1001f20)
1ec0: c0209a84 00000000
1ee0: 40000093 40000093 c1004dbc c1000000 c1004e04 00000001 c10957ca c10a4a80
1f00: c0e67a38 c1001f34 c10051c4 c1001f28 00000000 c0209a88 40000013 ffffffff
[] (__irq_svc) from [] (arch_cpu_idle+0x34/0x4c)
[] (arch_cpu_idle) from [] (default_idle_call+0x34/0x48)
[] (default_idle_call) from [] (do_idle+0xec/0x17c)
[] (do_idle) from [] (cpu_startup_entry+0x28/0x2c)
[] (cpu_startup_entry) from [] (rest_init+0xbc/0xc0)
[] (rest_init) from [] (start_kernel+0x4b8/0x4e8)
---[ end trace 42d42105b1ed20e8 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 509 at drivers/gpu/drm/vc4/vc4_firmware_kms.c:863 vc4_crtc_atomic_flush+0x98/0x9c [vc4]
Modules linked in: tcp_diag inet_diag rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 509 Comm: Xorg Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (vc4_crtc_atomic_flush+0x98/0x9c [vc4])
[] (vc4_crtc_atomic_flush [vc4]) from [] (drm_atomic_helper_commit_planes+0x1a4/0x298 [drm_kms_helper])
[] (drm_atomic_helper_commit_planes [drm_kms_helper]) from [] (vc4_atomic_complete_commit+0x60/0x33c [vc4])
[] (vc4_atomic_complete_commit [vc4]) from [] (vc4_atomic_commit+0xe0/0x194 [vc4])
[] (vc4_atomic_commit [vc4]) from [] (drm_atomic_commit+0x5c/0x60 [drm])
[] (drm_atomic_commit [drm]) from [] (drm_mode_atomic_ioctl+0x98c/0xb78 [drm])
[] (drm_mode_atomic_ioctl [drm]) from [] (drm_ioctl_kernel+0xb4/0xf0 [drm])
[] (drm_ioctl_kernel [drm]) from [] (drm_ioctl+0x230/0x3cc [drm])
[] (drm_ioctl [drm]) from [] (do_vfs_ioctl+0xbc/0x804)
[] (do_vfs_ioctl) from [] (ksys_ioctl+0x44/0x6c)
[] (ksys_ioctl) from [] (sys_ioctl+0x18/0x1c)
[] (sys_ioctl) from [] (ret_fast_syscall+0x0/0x28)
Exception stack(0xda45bfa8 to 0xda45bff0)
bfa0: 017f9130 becdcab0 0000000c c03864bc becdcab0 00000000
bfc0: 017f9130 becdcab0 c03864bc 00000036 017b9868 01714788 018c3ed0 0000002d
bfe0: b6d3708c becdca7c b6d1e594 b69aa51c
---[ end trace 42d42105b1ed20e9 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/drm_vblank.c:1026 drm_vblank_put+0xf0/0x100 [drm]
Modules linked in: tcp_diag inet_diag rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (drm_vblank_put+0xf0/0x100 [drm])
[] (drm_vblank_put [drm]) from [] (drm_crtc_vblank_put+0x24/0x28 [drm])
[] (drm_crtc_vblank_put [drm]) from [] (vc4_crtc_irq_handler+0x88/0xc4 [vc4])
[] (vc4_crtc_irq_handler [vc4]) from [] (__handle_irq_event_percpu+0xc0/0x22c)
[] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x3c/0x8c)
[] (handle_irq_event_percpu) from [] (handle_irq_event+0x54/0x78)
[] (handle_irq_event) from [] (handle_fasteoi_irq+0xb4/0x194)
[] (handle_fasteoi_irq) from [] (generic_handle_irq+0x34/0x44)
[] (generic_handle_irq) from [] (__handle_domain_irq+0x6c/0xc4)
[] (__handle_domain_irq) from [] (gic_handle_irq+0x4c/0x88)
[] (gic_handle_irq) from [] (__irq_svc+0x5c/0x7c)
Exception stack(0xc1001ed8 to 0xc1001f20)
1ec0: c0209a84 00000000
1ee0: 40000093 40000093 c1004dbc c1000000 c1004e04 00000001 c10957ca c10a4a80
1f00: c0e67a38 c1001f34 c10051c4 c1001f28 00000000 c0209a88 40000013 ffffffff
[] (__irq_svc) from [] (arch_cpu_idle+0x34/0x4c)
[] (arch_cpu_idle) from [] (default_idle_call+0x34/0x48)
[] (default_idle_call) from [] (do_idle+0xec/0x17c)
[] (do_idle) from [] (cpu_startup_entry+0x28/0x2c)
[] (cpu_startup_entry) from [] (rest_init+0xbc/0xc0)
[] (rest_init) from [] (start_kernel+0x4b8/0x4e8)
---[ end trace 42d42105b1ed20ea ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 509 at drivers/gpu/drm/vc4/vc4_firmware_kms.c:863 vc4_crtc_atomic_flush+0x98/0x9c [vc4]
Modules linked in: tcp_diag inet_diag rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 509 Comm: Xorg Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (vc4_crtc_atomic_flush+0x98/0x9c [vc4])
[] (vc4_crtc_atomic_flush [vc4]) from [] (drm_atomic_helper_commit_planes+0x1a4/0x298 [drm_kms_helper])
[] (drm_atomic_helper_commit_planes [drm_kms_helper]) from [] (vc4_atomic_complete_commit+0x60/0x33c [vc4])
[] (vc4_atomic_complete_commit [vc4]) from [] (vc4_atomic_commit+0xe0/0x194 [vc4])
[] (vc4_atomic_commit [vc4]) from [] (drm_atomic_commit+0x5c/0x60 [drm])
[] (drm_atomic_commit [drm]) from [] (drm_mode_atomic_ioctl+0x98c/0xb78 [drm])
[] (drm_mode_atomic_ioctl [drm]) from [] (drm_ioctl_kernel+0xb4/0xf0 [drm])
[] (drm_ioctl_kernel [drm]) from [] (drm_ioctl+0x230/0x3cc [drm])
[] (drm_ioctl [drm]) from [] (do_vfs_ioctl+0xbc/0x804)
[] (do_vfs_ioctl) from [] (ksys_ioctl+0x44/0x6c)
[] (ksys_ioctl) from [] (sys_ioctl+0x18/0x1c)
[] (sys_ioctl) from [] (ret_fast_syscall+0x0/0x28)
Exception stack(0xda45bfa8 to 0xda45bff0)
bfa0: 017f19d0 becdcab0 0000000c c03864bc becdcab0 00000000
bfc0: 017f19d0 becdcab0 c03864bc 00000036 019163a0 01816188 017a4380 0000002d
bfe0: b6d3708c becdca7c b6d1e594 b69aa51c
---[ end trace 42d42105b1ed20eb ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/drm_vblank.c:1026 drm_vblank_put+0xf0/0x100 [drm]
Modules linked in: tcp_diag inet_diag rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc bcm2835_codec(C) v4l2_mem2mem bcm2835_v4l2(C) videobuf2_dma_contig bcm2835_mmal_vchiq(C) v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media argon_mem brcmfmac brcmutil vc4 v3d drm_kms_helper sha256_generic gpu_sched drm snd_soc_core cfg80211 snd_compress raspberrypi_hwmon hwmon drm_panel_orientation_quirks snd_bcm2835(C) snd_pcm_dmaengine evdev rfkill snd_pcm syscopyarea sysfillrect sysimgblt fb_sys_fops snd_timer snd fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G WC 4.19.46-v7l+ #866
Hardware name: BCM2835
[] (unwind_backtrace) from [] (show_stack+0x20/0x24)
[] (show_stack) from [] (dump_stack+0xd4/0x118)
[] (dump_stack) from [] (__warn+0x104/0x11c)
[] (__warn) from [] (warn_slowpath_null+0x50/0x58)
[] (warn_slowpath_null) from [] (drm_vblank_put+0xf0/0x100 [drm])
[] (drm_vblank_put [drm]) from [] (drm_crtc_vblank_put+0x24/0x28 [drm])
[] (drm_crtc_vblank_put [drm]) from [] (vc4_crtc_irq_handler+0x88/0xc4 [vc4])
[] (vc4_crtc_irq_handler [vc4]) from [] (__handle_irq_event_percpu+0xc0/0x22c)
[] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x3c/0x8c)
[] (handle_irq_event_percpu) from [] (handle_irq_event+0x54/0x78)
[] (handle_irq_event) from [] (handle_fasteoi_irq+0xb4/0x194)
[] (handle_fasteoi_irq) from [] (generic_handle_irq+0x34/0x44)
[] (generic_handle_irq) from [] (__handle_domain_irq+0x6c/0xc4)
[] (__handle_domain_irq) from [] (gic_handle_irq+0x4c/0x88)
[] (gic_handle_irq) from [] (__irq_svc+0x5c/0x7c)
Exception stack(0xc1001ed8 to 0xc1001f20)
1ec0: c0209a84 00000000
1ee0: 40000093 40000093 c1004dbc c1000000 c1004e04 00000001 c10957ca c10a4a80
1f00: c0e67a38 c1001f34 c10051c4 c1001f28 00000000 c0209a88 40000013 ffffffff
[] (__irq_svc) from [] (arch_cpu_idle+0x34/0x4c)
[] (arch_cpu_idle) from [] (default_idle_call+0x34/0x48)
[] (default_idle_call) from [] (do_idle+0xec/0x17c)
[] (do_idle) from [] (cpu_startup_entry+0x28/0x2c)
[] (cpu_startup_entry) from [] (rest_init+0xbc/0xc0)
[] (rest_init) from [] (start_kernel+0x4b8/0x4e8)
---[ end trace 42d42105b1ed20ec ]---