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[Bug 1356558] Re: BUG: soft lockup - CPU stuck for 22s! [md3_raid1]

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Uli Middelberg <uli@xxxxxxxxxxxxx>
Date: Mon, 08 Sep 2014 20:50:33 -0000
Reply-to: Bug 1356558 <1356558@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
c6c1f325adc8a8e0cd06c6ad0ca232a6880a1783: exhibits this bug:

Sep  8 22:18:29 box kernel: [ 1940.144024] BUG: soft lockup - CPU#0 stuck for 22s! [md3_raid1:172]
Sep  8 22:18:29 box kernel: [ 1940.144024] Modules linked in: xt_multiport iptable_filter ip_tables x_tables gpio_ich snd_hda_codec_realtek coretemp snd_hda_intel snd_hda_codec serio_raw snd_hwdep pl2303 usblp usbserial lpc_ich snd_pcm snd_page_alloc snd_timer i915 drm_kms_helper snd drm soundcore i2c_algo_bit video mac_hid parport_pc ppdev lp parport dm_snapshot raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor ahci psmouse r8169 sata_via libahci raid6_pq mii raid1 raid0 multipath linear
Sep  8 22:18:29 box kernel: [ 1940.144024] CPU: 0 PID: 172 Comm: md3_raid1 Not tainted 3.13.0-031300rc1-generic #201409081748
Sep  8 22:18:29 box kernel: [ 1940.144024] Hardware name:                  /D945GSEJT, BIOS JT94510H.86A.0045.2010.0519.1750 05/19/2010
Sep  8 22:18:29 box kernel: [ 1940.144024] task: f6888cf0 ti: f6b68000 task.ti: f6b68000
Sep  8 22:18:29 box kernel: [ 1940.144024] EIP: 0060:[<c12ff0b2>] EFLAGS: 00000297 CPU: 0
Sep  8 22:18:29 box kernel: [ 1940.144024] EIP is at memcmp+0x32/0x60
Sep  8 22:18:29 box kernel: [ 1940.144024] EAX: ecb27000 EBX: 0000007e ECX: 00000962 EDX: ec8de000
Sep  8 22:18:29 box kernel: [ 1940.144024] ESI: 0000007e EDI: 00000fff EBP: f6b69e9c ESP: f6b69e8c
Sep  8 22:18:29 box kernel: [ 1940.144024]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Sep  8 22:18:29 box kernel: [ 1940.144024] CR0: 8005003b CR2: bfc95ef4 CR3: 01ae4000 CR4: 000007f0
Sep  8 22:18:29 box kernel: [ 1940.144024] Stack:
Sep  8 22:18:29 box kernel: [ 1940.144024]  00000000 00000006 00001000 00000048 f6b69ee0 f845d3b3 ec8de000 00000001
Sep  8 22:18:29 box kernel: [ 1940.144024]  0000000f f6847800 00000007 ecb9e800 f69d2f80 f50da4e0 0000000c ecb9ea00
Sep  8 22:18:29 box kernel: [ 1940.144024]  0000001c ecd53300 00000002 ecd53300 f6847800 f6b69f00 f845d667 f6847800
Sep  8 22:18:29 box kernel: [ 1940.144024] Call Trace:
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<f845d3b3>] process_checks+0x173/0x300 [raid1]
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<f845d667>] sync_request_write+0x127/0x160 [raid1]
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<f845f5d2>] raid1d+0x102/0x140 [raid1]
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<c151bf54>] md_thread+0xe4/0x110
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<c1095010>] ? __wake_up_sync+0x20/0x20
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<c151be70>] ? md_rdev_init+0x100/0x100
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<c107801b>] kthread+0x9b/0xb0
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<c1684077>] ret_from_kernel_thread+0x1b/0x28
Sep  8 22:18:29 box kernel: [ 1940.144024]  [<c1077f80>] ? flush_kthread_worker+0x90/0x90
Sep  8 22:18:29 box kernel: [ 1940.144024] Code: ec 04 85 c9 c7 45 f0 00 00 00 00 74 29 0f b6 30 0f b6 1a 29 de 89 75 f0 75 1c 8d 79 ff 31 c9 eb 11 0f b6 74 08 01 0f b6 5c 0a 01 <83> c1 01 29 de 75 0f 39 f9 75 eb 8b 45 f0 83 c4 04 5b 5e 5f 5d
Sep  8 22:38:36 box mdadm[1615]: Rebuild21 event detected on md device /dev/md/03
Sep  8 22:41:05 box kernel: [ 3296.144025] BUG: soft lockup - CPU#0 stuck for 22s! [md3_raid1:172]
Sep  8 22:41:05 box kernel: [ 3296.144025] Modules linked in: xt_multiport iptable_filter ip_tables x_tables gpio_ich snd_hda_codec_realtek coretemp snd_hda_intel snd_hda_codec serio_raw snd_hwdep pl2303 usblp usbserial lpc_ich snd_pcm snd_page_alloc snd_timer i915 drm_kms_helper snd drm soundcore i2c_algo_bit video mac_hid parport_pc ppdev lp parport dm_snapshot raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor ahci psmouse r8169 sata_via libahci raid6_pq mii raid1 raid0 multipath linear
Sep  8 22:41:05 box kernel: [ 3296.144025] CPU: 0 PID: 172 Comm: md3_raid1 Not tainted 3.13.0-031300rc1-generic #201409081748
Sep  8 22:41:05 box kernel: [ 3296.144025] Hardware name:                  /D945GSEJT, BIOS JT94510H.86A.0045.2010.0519.1750 05/19/2010
Sep  8 22:41:05 box kernel: [ 3296.144025] task: f6888cf0 ti: f6b68000 task.ti: f6b68000
Sep  8 22:41:05 box kernel: [ 3296.144025] EIP: 0060:[<c12ff0bb>] EFLAGS: 00000293 CPU: 0
Sep  8 22:41:05 box kernel: [ 3296.144025] EIP is at memcmp+0x3b/0x60
Sep  8 22:41:05 box kernel: [ 3296.144025] EAX: ec884000 EBX: 000000ed ECX: 00000056 EDX: ecddf000
Sep  8 22:41:05 box kernel: [ 3296.144025] ESI: 00000000 EDI: 00000fff EBP: f6b69e9c ESP: f6b69e8c
Sep  8 22:41:05 box kernel: [ 3296.144025]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Sep  8 22:41:05 box kernel: [ 3296.144025] CR0: 8005003b CR2: b88467a4 CR3: 01ae4000 CR4: 000007f0
Sep  8 22:41:05 box kernel: [ 3296.144025] Stack:
Sep  8 22:41:05 box kernel: [ 3296.144025]  00000000 0000000b 00001000 00000084 f6b69ee0 f845d3b3 ecddf000 00000001
Sep  8 22:41:05 box kernel: [ 3296.144025]  0000000f f6847800 0000000c ec8c1400 f69d2f80 f50d5080 0000000c eccb8000
Sep  8 22:41:05 box kernel: [ 3296.144025]  0000001c ece7ed20 00000002 ece7ed20 f6847800 f6b69f00 f845d667 f6847800
Sep  8 22:41:05 box kernel: [ 3296.144025] Call Trace:
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<f845d3b3>] process_checks+0x173/0x300 [raid1]
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<f845d667>] sync_request_write+0x127/0x160 [raid1]
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<f845f5d2>] raid1d+0x102/0x140 [raid1]
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<c151bf54>] md_thread+0xe4/0x110
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<c1095010>] ? __wake_up_sync+0x20/0x20
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<c151be70>] ? md_rdev_init+0x100/0x100
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<c107801b>] kthread+0x9b/0xb0
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<c1684077>] ret_from_kernel_thread+0x1b/0x28
Sep  8 22:41:05 box kernel: [ 3296.144025]  [<c1077f80>] ? flush_kthread_worker+0x90/0x90
Sep  8 22:41:05 box kernel: [ 3296.144025] Code: 00 00 74 29 0f b6 30 0f b6 1a 29 de 89 75 f0 75 1c 8d 79 ff 31 c9 eb 11 0f b6 74 08 01 0f b6 5c 0a 01 83 c1 01 29 de 75 0f 39 f9 <75> eb 8b 45 f0 83 c4 04 5b 5e 5f 5d c3 89 75 f0 8b 45 f0 83 c4

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https://bugs.launchpad.net/bugs/1356558

Title:
  BUG: soft lockup - CPU stuck for 22s! [md3_raid1]

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  this bug appeared in Ubuntu 14.04, Ubuntu 12.04 didn't show this behavior. 
  I've found a possible predecessor in bug #212684.
  Switching to a recent mainline kernel didn't fix this issue.

  Starting

   $ /usr/share/mdadm/checkarray /dev/md3

  will repeat this behavior.

  /dev/md3 is a LVM PV:

    --- Physical volume ---
    PV Name               /dev/md3
    VG Name               local_vg1
    PV Size               1.36 TiB / not usable 2.25 MiB
    Allocatable           yes 
    PE Size               4.00 MiB
    Total PE              355619
    Free PE               31011
    Allocated PE          324608

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-33-generic 3.13.0-33.58
  ProcVersionSignature: Ubuntu 3.13.0-33.58-generic 3.13.11.4
  Uname: Linux 3.13.0-33-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-33-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: i386
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  Date: Wed Aug 13 21:42:12 2014
  HibernationDevice: RESUME=UUID=c4a03c5e-f650-4ca8-9dab-f0c4ad12c901
  InstallationDate: Installed on 2014-07-06 (37 days ago)
  InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release i386 (20140416.2)
  IwConfig:
   lo        no wireless extensions.
   
   em1       no wireless extensions.
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-33-generic root=UUID=9c2715cb-dd8a-4687-9537-009e1e4e83d8 ro nomdmonddf nomdmonisw
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-33-generic N/A
   linux-backports-modules-3.13.0-33-generic  N/A
   linux-firmware                             1.127.5
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/19/2010
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: JT94510H.86A.0045.2010.0519.1750
  dmi.board.name: D945GSEJT
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAE57850-300
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnIntelCorp.:bvrJT94510H.86A.0045.2010.0519.1750:bd05/19/2010:svn:pn:pvr:rvnIntelCorporation:rnD945GSEJT:rvrAAE57850-300:cvn:ct3:cvr:

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References

[Bug 1356558] [NEW] BUG: soft lockup - CPU stuck for 22s! [md3_raid1]
From: Uli Middelberg, 2014-08-13