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[fish <ubuntu@xxxxxxxxxxxxx>]

apport information

** Tags added: apport-collected

** Description changed:

  After restarting some 'ghost' docker containers on precise with the
  raring-lts kernel, the kernel locks up and shows:
  
      [1095015.392057] BUG: soft lockup - CPU#0 stuck for 22s! [gunicorn:12804]
      ... (for each core)
  
  Here is the original, more docker focused bug report:
  https://github.com/dotcloud/docker/issues/3873
  
  I could reproduce this bug with various kernel versions. I've set the
  softlockup_panic=1 kernel parameter to get some stack traces. See this
  gist for stack trace for 3.5 and 3.8 kernels (will add 3.11 any minute):
  https://gist.github.com/discordianfish/7886354d9a19b2084775
  
- It also contains a small script to reproduce this, although I couldn't
- reproduce it in a vagrant VM just our Dell R710 systems so far.
+ It also contains a small script to reproduce this, although I couldn't reproduce it in a vagrant VM just our Dell R710 systems so far.
+ --- 
+ AlsaDevices:
+  total 0
+  crw-rw---T 1 root audio 116,  1 Feb  3 09:45 seq
+  crw-rw---T 1 root audio 116, 33 Feb  3 09:45 timer
+ AplayDevices: Error: [Errno 2] No such file or directory
+ ApportVersion: 2.0.1-0ubuntu17.6
+ Architecture: amd64
+ ArecordDevices: Error: [Errno 2] No such file or directory
+ AudioDevicesInUse: Error: [Errno 2] No such file or directory
+ CRDA: Error: [Errno 2] No such file or directory
+ DistroRelease: Ubuntu 12.04
+ HibernationDevice: RESUME=UUID=e8d3c6ec-f202-480c-ac43-52ffbbbcb393
+ IwConfig: Error: [Errno 2] No such file or directory
+ MachineType: Dell Inc. PowerEdge R710
+ MarkForUpload: True
+ Package: linux (not installed)
+ PciMultimedia:
+  
+ ProcFB: 0 VESA VGA
+ ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-35-generic root=/dev/mapper/ubuntu--vg-root ro console=tty0 console=ttyS1,115200 softlockup_panic=1
+ ProcVersionSignature: Ubuntu 3.8.0-35.52~precise1-generic 3.8.13.13
+ RelatedPackageVersions:
+  linux-restricted-modules-3.8.0-35-generic N/A
+  linux-backports-modules-3.8.0-35-generic  N/A
+  linux-firmware                            1.79.9
+ RfKill: Error: [Errno 2] No such file or directory
+ Tags:  precise
+ Uname: Linux 3.8.0-35-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups:
+  
+ dmi.bios.date: 07/24/2012
+ dmi.bios.vendor: Dell Inc.
+ dmi.bios.version: 6.3.0
+ dmi.board.name: 0YDJK3
+ dmi.board.vendor: Dell Inc.
+ dmi.board.version: A09
+ dmi.chassis.type: 23
+ dmi.chassis.vendor: Dell Inc.
+ dmi.modalias: dmi:bvnDellInc.:bvr6.3.0:bd07/24/2012:svnDellInc.:pnPowerEdgeR710:pvr:rvnDellInc.:rn0YDJK3:rvrA09:cvnDellInc.:ct23:cvr:
+ dmi.product.name: PowerEdge R710
+ dmi.sys.vendor: Dell Inc.

** Attachment added: "AcpiTables.txt"
   https://bugs.launchpad.net/bugs/1275809/+attachment/3968506/+files/AcpiTables.txt

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https://bugs.launchpad.net/bugs/1275809

Title:
  (docker/lxc) container restart causes kernel to lockup

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  After restarting some 'ghost' docker containers on precise with the
  raring-lts kernel, the kernel locks up and shows:

      [1095015.392057] BUG: soft lockup - CPU#0 stuck for 22s! [gunicorn:12804]
      ... (for each core)

  Here is the original, more docker focused bug report:
  https://github.com/dotcloud/docker/issues/3873

  I could reproduce this bug with various kernel versions. I've set the
  softlockup_panic=1 kernel parameter to get some stack traces. See this
  gist for stack trace for 3.5 and 3.8 kernels (will add 3.11 any
  minute): https://gist.github.com/discordianfish/7886354d9a19b2084775

  It also contains a small script to reproduce this, although I couldn't reproduce it in a vagrant VM just our Dell R710 systems so far.
  --- 
  AlsaDevices:
   total 0
   crw-rw---T 1 root audio 116,  1 Feb  3 09:45 seq
   crw-rw---T 1 root audio 116, 33 Feb  3 09:45 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: [Errno 2] No such file or directory
  CRDA: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=e8d3c6ec-f202-480c-ac43-52ffbbbcb393
  IwConfig: Error: [Errno 2] No such file or directory
  MachineType: Dell Inc. PowerEdge R710
  MarkForUpload: True
  Package: linux (not installed)
  PciMultimedia:
   
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-35-generic root=/dev/mapper/ubuntu--vg-root ro console=tty0 console=ttyS1,115200 softlockup_panic=1
  ProcVersionSignature: Ubuntu 3.8.0-35.52~precise1-generic 3.8.13.13
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-35-generic N/A
   linux-backports-modules-3.8.0-35-generic  N/A
   linux-firmware                            1.79.9
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  precise
  Uname: Linux 3.8.0-35-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 07/24/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 6.3.0
  dmi.board.name: 0YDJK3
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A09
  dmi.chassis.type: 23
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr6.3.0:bd07/24/2012:svnDellInc.:pnPowerEdgeR710:pvr:rvnDellInc.:rn0YDJK3:rvrA09:cvnDellInc.:ct23:cvr:
  dmi.product.name: PowerEdge R710
  dmi.sys.vendor: Dell Inc.

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