kernel-packages team mailing list archive

[Mark Shirley <1261596@xxxxxxxxxxxxxxxxxx>]

Christopher, unfortunately I'm no longer able to reproduce the crash
reliably enough to complete the bisect.  If anything changes, I'll
update this bug, but for now I'll most likely just run 12.04 which
doesn't appear to have the issue.

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https://bugs.launchpad.net/bugs/1261596

Title:
  [Intel S2600GZ] System crash at thread_group_cputime_adjusted

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  We have been experiencing intermittent system crashes on an Ubuntu
  13.10 server.  Loading the crash dump gives the following information:

        KERNEL: /usr/lib/debug/boot/vmlinux-3.11.0-14-generic
      DUMPFILE: dump.201312170006  [PARTIAL DUMP]
          CPUS: 24
          DATE: Tue Dec 17 00:05:33 2013
        UPTIME: 00:00:16
  LOAD AVERAGE: 0.14, 0.03, 0.01
         TASKS: 768
      NODENAME: zagros
       RELEASE: 3.11.0-14-generic
       VERSION: #21-Ubuntu SMP Tue Nov 12 17:04:55 UTC 2013
       MACHINE: x86_64  (2294 Mhz)
        MEMORY: 63.9 GB
         PANIC: ""
           PID: 2245
       COMMAND: "monit"
          TASK: ffff880fdf678000  [THREAD_INFO: ffff880fe02f6000]
           CPU: 20
         STATE: TASK_RUNNING (PANIC)

  The bt for the crash is:

  crash> bt
  PID: 2245   TASK: ffff880fdf678000  CPU: 20  COMMAND: "monit"
   #0 [ffff880fe02f79a8] machine_kexec at ffffffff81048322
   #1 [ffff880fe02f79f8] crash_kexec at ffffffff810d03f3
   #2 [ffff880fe02f7ac0] oops_end at ffffffff816edf58
   #3 [ffff880fe02f7ae8] die at ffffffff8101616b
   #4 [ffff880fe02f7b18] do_trap at ffffffff816ed770
   #5 [ffff880fe02f7b68] do_divide_error at ffffffff81013262
   #6 [ffff880fe02f7c10] divide_error at ffffffff816f6e8e
      [exception RIP: cputime_adjust+240]
      RIP: ffffffff81097790  RSP: ffff880fe02f7cc8  RFLAGS: 00010887
      RAX: b713d5ba06800000  RBX: 000000000977ccee  RCX: ffff880fe02f7df8
      RDX: 0000000000000000  RSI: ffff880fdf34ac50  RDI: 0000000000000000
      RBP: ffff880fe02f7cd8   R8: 00000000fff5fb80   R9: 000000000045405f
      R10: fff5fb800d780978  R11: 0000000000000000  R12: ffff880fe02f7df0
      R13: ffff880fe02f7df8  R14: 0000000000000001  R15: ffff880fdf34aa80
      ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
   #7 [ffff880fe02f7ce0] thread_group_cputime_adjusted at ffffffff8109839e
   #8 [ffff880fe02f7d20] do_task_stat at ffffffff8120f92b
   #9 [ffff880fe02f7e58] proc_tgid_stat at ffffffff812104c4
  #10 [ffff880fe02f7e68] proc_single_show at ffffffff8120b40d
  #11 [ffff880fe02f7ea0] seq_read at ffffffff811c965e
  #12 [ffff880fe02f7f08] vfs_read at ffffffff811a6bee
  #13 [ffff880fe02f7f40] sys_read at ffffffff811a7719
  #14 [ffff880fe02f7f80] system_call_fastpath at ffffffff816f571d
      RIP: 00007f700b671c80  RSP: 00007fff7f7b83c8  RFLAGS: 00000246
      RAX: 0000000000000000  RBX: ffffffff816f571d  RCX: ffffffffffffffff
      RDX: 00000000000003ff  RSI: 00007fff7f7b86f0  RDI: 0000000000000005
      RBP: 00007fff7f7b86f0   R8: 00007f700ade7fe0   R9: 00007f700aa76134
      R10: 0000000000000004  R11: 0000000000000246  R12: 00000000000003ff
      R13: 0000000000000000  R14: 00007fff7f7b83e0  R15: 0000000000000005
      ORIG_RAX: 0000000000000000  CS: 0033  SS: 002b

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-14-generic 3.11.0-14.21
  ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
  Uname: Linux 3.11.0-14-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Dec 17 01:23 seq
   crw-rw---- 1 root audio 116, 33 Dec 17 01:23 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  Date: Tue Dec 17 01:25:47 2013
  HibernationDevice: RESUME=/dev/mapper/zagros--vg-swap_1
  InstallationDate: Installed on 2013-11-14 (32 days ago)
  InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Release amd64 (20131016)
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  MachineType: Intel Corporation S2600GZ
  MarkForUpload: True
  PciMultimedia:
   
  ProcEnviron:
   LANGUAGE=en_US:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/zsh
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-14-generic root=/dev/mapper/hostname--vg-root ro --no-log crashkernel=384M-2G:64M,2G-:768M quiet
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-14-generic N/A
   linux-backports-modules-3.11.0-14-generic  N/A
   linux-firmware                             1.116
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  WifiSyslog:
   
  dmi.bios.date: 08/22/2013
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: SE5C600.86B.02.01.0002.082220131453
  dmi.board.asset.tag: ....................
  dmi.board.name: S2600GZ
  dmi.board.vendor: Intel Corporation
  dmi.board.version: G29051-353
  dmi.chassis.asset.tag: ....................
  dmi.chassis.type: 23
  dmi.chassis.vendor: ...............................
  dmi.chassis.version: ..................
  dmi.modalias: dmi:bvnIntelCorp.:bvrSE5C600.86B.02.01.0002.082220131453:bd08/22/2013:svnIntelCorporation:pnS2600GZ:pvr....................:rvnIntelCorporation:rnS2600GZ:rvrG29051-353:cvn...............................:ct23:cvr..................:
  dmi.product.name: S2600GZ
  dmi.product.version: ....................
  dmi.sys.vendor: Intel Corporation

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