dmesg - aws-m2.4xlarge-ebs-us-east1b-461-89439-1
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Linux version 3.2.22-35.60.amzn1.x86_64 (mockbuild@gobi-build-31003) (gcc version 4.4.6 20110731 (Red Hat 4.4.6-3) (GCC) ) #1 SMP Thu Jul 5 14:07:24 UTC 2012
Command line: root=LABEL=/ console=hvc0 LANG=en_US.UTF-8 KEYTABLE=us
Marking TSC unstable due to Xen domain
ACPI in unprivileged domain disabled
Released 0 pages of unused memory
Set 0 page(s) to 1-1 mapping
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 00000000000a0000 (usable)
Xen: 00000000000a0000 - 0000000000100000 (reserved)
Xen: 0000000000100000 - 0000001117800000 (usable)
NX (Execute Disable) protection: active
DMI not present or invalid.
e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)
e820 remove range: 00000000000a0000 - 0000000000100000 (usable)
No AGP bridge found
last_pfn = 0x1117800 max_arch_pfn = 0x400000000
last_pfn = 0x100000 max_arch_pfn = 0x400000000
initial memory mapped : 0 - 02c26000
Base memory trampoline at [ffff88000009b000] 9b000 size 20480
init_memory_mapping: 0000000000000000-0000000100000000
0000000000 - 0100000000 page 4k
kernel direct mapping tables up to 100000000 @ 7fb000-1000000
xen: setting RW the range f9e000 - 1000000
init_memory_mapping: 0000000100000000-0000001117800000
0100000000 - 1117800000 page 4k
kernel direct mapping tables up to 1117800000 @ f76fe000-100000000
xen: setting RW the range ff7fb000 - 100000000
RAMDISK: 01945000 - 02c26000
No NUMA configuration found
Faking a node at 0000000000000000-0000001117800000
Initmem setup node 0 0000000000000000-0000001117800000
NODE_DATA [0000001116ffb000 - 0000001116ffffff]
Zone PFN ranges:
DMA 0x00000010 -> 0x00001000
DMA32 0x00001000 -> 0x00100000
Normal 0x00100000 -> 0x01117800
Movable zone start PFN for each node
early_node_map[2] active PFN ranges
0: 0x00000010 -> 0x000000a0
0: 0x00000100 -> 0x01117800
On node 0 totalpages: 17921936
DMA zone: 64 pages used for memmap
DMA zone: 1960 pages reserved
DMA zone: 1960 pages, LIFO batch:0
DMA32 zone: 16320 pages used for memmap
DMA32 zone: 1028160 pages, LIFO batch:31
Normal zone: 263648 pages used for memmap
Normal zone: 16609824 pages, LIFO batch:31
SMP: Allowing 8 CPUs, 0 hotplug CPUs
No local APIC present
APIC: disable apic facility
APIC: switched to apic NOOP
nr_irqs_gsi: 16
PCI: Warning: Cannot find a gap in the 32bit address range
PCI: Unassigned devices with 32bit resource registers may break!
Allocating PCI resources starting at 1117900000 (gap: 1117900000:400000)
Booting paravirtualized kernel on Xen
Xen version: 3.4.3-2.6.18 (preserve-AD)
setup_percpu: NR_CPUS:32 nr_cpumask_bits:32 nr_cpu_ids:8 nr_node_ids:1
PERCPU: Embedded 26 pages/cpu @ffff881116c00000 s76032 r8192 d22272 u262144
pcpu-alloc: s76032 r8192 d22272 u262144 alloc=1*2097152
pcpu-alloc: [0] 0 1 2 3 4 5 6 7
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 17639944
Policy zone: Normal
Kernel command line: root=LABEL=/ console=hvc0 LANG=en_US.UTF-8 KEYTABLE=us
PID hash table entries: 4096 (order: 3, 32768 bytes)
Checking aperture...
No AGP bridge found
Memory: 70181412k/71688192k available (3560k kernel code, 448k absent, 1506332k reserved, 3058k data, 540k init)
SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1
Hierarchical RCU implementation.
RCU dyntick-idle grace-period acceleration is enabled.
NR_IRQS:4352 nr_irqs:336 16
Console: colour dummy device 80x25
console [tty0] enabled
console [hvc0] enabled
Xen: using vcpuop timer interface
installing Xen timer for CPU 0
Detected 2666.760 MHz processor.
Calibrating delay loop (skipped), value calculated using timer frequency.. 5333.52 BogoMIPS (lpj=2666760)
pid_max: default: 32768 minimum: 301
Security Framework initialized
Dentry cache hash table entries: 16777216 (order: 15, 134217728 bytes)
Inode-cache hash table entries: 8388608 (order: 14, 67108864 bytes)
Mount-cache hash table entries: 256
Initializing cgroup subsys cpuacct
Initializing cgroup subsys devices
Initializing cgroup subsys freezer
Initializing cgroup subsys blkio
Initializing cgroup subsys perf_event
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
SMP alternatives: switching to UP code
cpu 0 spinlock event irq 17
Performance Events: unsupported p6 CPU model 26 no PMU driver, software events only.
installing Xen timer for CPU 1
cpu 1 spinlock event irq 23
SMP alternatives: switching to SMP code
installing Xen timer for CPU 2
cpu 2 spinlock event irq 29
installing Xen timer for CPU 3
cpu 3 spinlock event irq 35
installing Xen timer for CPU 4
cpu 4 spinlock event irq 41
installing Xen timer for CPU 5
cpu 5 spinlock event irq 47
installing Xen timer for CPU 6
cpu 6 spinlock event irq 53
installing Xen timer for CPU 7
cpu 7 spinlock event irq 59
Brought up 8 CPUs
devtmpfs: initialized
Grant table initialized
NET: Registered protocol family 16
PCI: setting up Xen PCI frontend stub
PCI: pci_cache_line_size set to 64 bytes
bio: create slab at 0
ACPI: Interpreter disabled.
xen/balloon: Initialising balloon driver.
xen-balloon: Initialising balloon driver.
vgaarb: loaded
PCI: System does not support PCI
PCI: System does not support PCI
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4
NetLabel: unlabeled traffic allowed by default
Switching to clocksource xen
pnp: PnP ACPI: disabled
PCI: max bus depth: 0 pci_try_num: 1
NET: Registered protocol family 2
IP route cache hash table entries: 524288 (order: 10, 4194304 bytes)
TCP established hash table entries: 524288 (order: 11, 8388608 bytes)
TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
TCP: Hash tables configured (established 524288 bind 65536)
TCP reno registered
UDP hash table entries: 65536 (order: 9, 2097152 bytes)
UDP-Lite hash table entries: 65536 (order: 9, 2097152 bytes)
NET: Registered protocol family 1
PCI: CLS 0 bytes, default 64
Unpacking initramfs...
Freeing initrd memory: 19332k freed
PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
Placing 64MB software IO TLB between ffff8800f36fe000 - ffff8800f76fe000
software IO TLB at phys 0xf36fe000 - 0xf76fe000
platform rtc_cmos: registered platform RTC device (no PNP device found)
audit: initializing netlink socket (disabled)
type=2000 audit(1343798688.808:1): initialized
VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
msgmni has been set to 32768
alg: No test for stdrng (krng)
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered (default)
loop: module loaded
blkfront: xvda1: barrier or flush: disabled
Initialising Xen virtual ethernet driver.
blkfront: xvdc: barrier or flush: disabled
i8042: PNP: No PS/2 controller found. Probing ports directly.
mousedev: PS/2 mouse device common for all mice
TCP cubic registered
NET: Registered protocol family 17
Registering the dns_resolver key type
registered taskstats version 1
xvdc: unknown partition table
Setting capacity to 1761475584
xvdc: detected capacity change from 0 to 901875499008
blkfront: xvdh: barrier or flush: disabled
xvdh: unknown partition table
Setting capacity to 209715200
xvdh: detected capacity change from 0 to 107374182400
XENBUS: Device with no driver: device/console/0
Freeing unused kernel memory: 540k freed
Write protecting the kernel read-only data: 6144k
Freeing unused kernel memory: 516k freed
Freeing unused kernel memory: 688k freed
device-mapper: uevent: version 1.0.3
device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: dm-devel@redhat.com
udevd[472]: starting version 173
EXT4-fs (xvda1): mounted filesystem with ordered data mode. Opts: (null)
dracut: Remounting /dev/disk/by-label/\x2f with -o noatime,ro
EXT4-fs (xvda1): mounted filesystem with ordered data mode. Opts: (null)
dracut: Mounted root filesystem /dev/xvda1
dracut: Loading SELinux policy
dracut: /sbin/load_policy: Can't load policy: No such device
dracut: Switching root
udevd[747]: starting version 173
SCSI subsystem initialized
EXT4-fs (xvda1): re-mounted. Opts: (null)
kjournald starting. Commit interval 5 seconds
EXT3-fs (xvdc): using internal journal
EXT3-fs (xvdc): mounted filesystem with ordered data mode
NET: Registered protocol family 10
EXT4-fs (xvdh): mounted filesystem with ordered data mode. Opts: (null)
EXT4-fs (xvdh): Unaligned AIO/DIO on inode 2883588 by fio; performance will be poor.
INFO: task sync:16254 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
sync D ffff881116cd1c80 0 16254 16043 0x00000080
ffff8810c30d3c98 0000000000000286 ffff8810c30d3c38 0000000000000000
0000000000000002 ffff881000000000 ffff8810adbd8000 0000000000011c80
ffff8810c30d3fd8 ffff8810c30d2010 ffff8810c30d3fd8 0000000000011c80
Call Trace:
[] schedule+0x3a/0x50
[] schedule_timeout+0x1fd/0x270
[] ? irq_to_desc+0x12/0x20
[] ? irq_get_irq_data+0x9/0x10
[] ? info_for_irq+0x9/0x20
[] ? notify_remote_via_irq+0x29/0x50
[] ? sched_clock_local+0x25/0x90
[] wait_for_common+0xd1/0x180
[] ? try_to_wake_up+0x2c0/0x2c0
[] ? local_bh_enable_ip+0x22/0xa0
[] wait_for_completion+0x18/0x20
[] writeback_inodes_sb_nr+0x7a/0xa0
[] writeback_inodes_sb+0x5a/0x70
[] ? __sync_filesystem+0x90/0x90
[] __sync_filesystem+0x49/0x90
[] sync_one_sb+0x17/0x20
[] iterate_supers+0x88/0xe0
[] sys_sync+0x2f/0x60
[] system_call_fastpath+0x16/0x1b
INFO: task jbd2/xvdh-8:1458 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
jbd2/xvdh-8 D ffff881116c51c80 0 1458 2 0x00000080
ffff8810c4391cd0 0000000000000246 0000000000000001 0000000000000001
0000000000000001 0000000100000000 ffff8810c37b5a00 0000000000011c80
ffff8810c4391fd8 ffff8810c4390010 ffff8810c4391fd8 0000000000011c80
Call Trace:
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] schedule+0x3a/0x50
[] jbd2_journal_commit_transaction+0x1b6/0x17d0 [jbd2]
[] ? xen_end_context_switch+0x19/0x20
[] ? finish_task_switch+0x60/0xd0
[] ? wake_up_bit+0x40/0x40
[] ? lock_timer_base+0x37/0x70
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] kjournald2+0xd1/0x3a0 [jbd2]
[] ? wake_up_bit+0x40/0x40
[] ? commit_timeout+0x10/0x10 [jbd2]
[] kthread+0x96/0xa0
[] kernel_thread_helper+0x4/0x10
[] ? int_ret_from_sys_call+0x7/0x1b
[] ? retint_restore_args+0x5/0x6
[] ? gs_change+0x13/0x13
INFO: task jbd2/xvdh-8:1458 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
jbd2/xvdh-8 D ffff881116c51c80 0 1458 2 0x00000080
ffff8810c4391cd0 0000000000000246 0000000000000001 0000000000000001
0000000000000001 0000000100000000 ffff8810c37b5a00 0000000000011c80
ffff8810c4391fd8 ffff8810c4390010 ffff8810c4391fd8 0000000000011c80
Call Trace:
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] schedule+0x3a/0x50
[] jbd2_journal_commit_transaction+0x1b6/0x17d0 [jbd2]
[] ? xen_end_context_switch+0x19/0x20
[] ? finish_task_switch+0x60/0xd0
[] ? wake_up_bit+0x40/0x40
[] ? lock_timer_base+0x37/0x70
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] kjournald2+0xd1/0x3a0 [jbd2]
[] ? wake_up_bit+0x40/0x40
[] ? commit_timeout+0x10/0x10 [jbd2]
[] kthread+0x96/0xa0
[] kernel_thread_helper+0x4/0x10
[] ? int_ret_from_sys_call+0x7/0x1b
[] ? retint_restore_args+0x5/0x6
[] ? gs_change+0x13/0x13
INFO: task jbd2/xvdh-8:1458 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
jbd2/xvdh-8 D ffff881116c11c80 0 1458 2 0x00000080
ffff8810c4391cd0 0000000000000246 0000000000000001 0000000000000001
0000000000000001 0000000100000000 ffff8810c37b5a00 0000000000011c80
ffff8810c4391fd8 ffff8810c4390010 ffff8810c4391fd8 0000000000011c80
Call Trace:
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] schedule+0x3a/0x50
[] jbd2_journal_commit_transaction+0x1b6/0x17d0 [jbd2]
[] ? xen_end_context_switch+0x19/0x20
[] ? finish_task_switch+0x60/0xd0
[] ? wake_up_bit+0x40/0x40
[] ? lock_timer_base+0x37/0x70
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] ? _raw_spin_unlock_irqrestore+0x19/0x20
[] kjournald2+0xd1/0x3a0 [jbd2]
[] ? wake_up_bit+0x40/0x40
[] ? commit_timeout+0x10/0x10 [jbd2]
[] kthread+0x96/0xa0
[] kernel_thread_helper+0x4/0x10
[] ? int_ret_from_sys_call+0x7/0x1b
[] ? retint_restore_args+0x5/0x6
[] ? gs_change+0x13/0x13
INFO: task sync:29980 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
sync D ffff881116cd1c80 0 29980 29872 0x00000080
ffff8810b0f81c98 0000000000000286 ffff8810b0f81c38 0000000000000000
0000000000000002 ffff880f00000000 ffff880f2df9ad00 0000000000011c80
ffff8810b0f81fd8 ffff8810b0f80010 ffff8810b0f81fd8 0000000000011c80
Call Trace:
[] schedule+0x3a/0x50
[] schedule_timeout+0x1fd/0x270
[] ? pagevec_lookup_tag+0x20/0x30
[] ? write_cache_pages+0x12b/0x470
[] ? set_page_dirty+0x70/0x70
[] wait_for_common+0xd1/0x180
[] ? try_to_wake_up+0x2c0/0x2c0
[] ? local_bh_enable_ip+0x22/0xa0
[] wait_for_completion+0x18/0x20
[] writeback_inodes_sb_nr+0x7a/0xa0
[] writeback_inodes_sb+0x5a/0x70
[] ? __sync_filesystem+0x90/0x90
[] __sync_filesystem+0x49/0x90
[] sync_one_sb+0x17/0x20
[] iterate_supers+0x88/0xe0
[] sys_sync+0x2f/0x60
[] system_call_fastpath+0x16/0x1b