[Bug 1318410] [NEW] grep crashes during suspend

Ryan T. Sammartino ryan.sammartino at gmail.com
Sun May 11 20:25:30 UTC 2014 

Public bug reported:

Since doing an update this morning (around 2014-05-11 13:00:00 Pacific
Time), all attempts to suspend this PC fail, whereas prior it has never
been an issue.

dmesg reports:

[  193.434832] PM: Syncing filesystems ... done.
[  193.439449] PM: Preparing system for mem sleep
[  193.439495] Freezing user space processes ... 
[  213.440053] Freezing of tasks failed after 20.00 seconds (1 tasks refusing to freeze, wq_busy=0):
[  213.440131] grep            D ffff88020c9c7620     0  1810   1808 0x00800004
[  213.440234]  ffff88020ffe59f8 0000000000000046 000000000000000b ffff88021fd937c0
[  213.440397]  ffff88020ffe5fd8 ffff88020ffe5fd8 ffff88020ffe5fd8 00000000000137c0
[  213.440560]  ffff8802121a1700 ffff88020e15dc00 ffff88020ffe5a18 ffff88020e15dc00
[  213.440722] Call Trace:
[  213.440761]  [<ffffffff8165fe2f>] schedule+0x3f/0x60
[  213.440802]  [<ffffffff8106cf77>] do_exit+0x427/0x450
[  213.440842]  [<ffffffff81662ee0>] oops_end+0xb0/0xf0
[  213.440882]  [<ffffffff810178b8>] die+0x58/0x90
[  213.440921]  [<ffffffff81662854>] do_trap+0xc4/0x170
[  213.440961]  [<ffffffff81134f01>] ? kzfree+0x31/0x40
[  213.441000]  [<ffffffff81134f01>] ? kzfree+0x31/0x40
[  213.441040]  [<ffffffff81014f55>] do_invalid_op+0x95/0xb0
[  213.441080]  [<ffffffff81164e55>] ? kfree+0x135/0x140
[  213.441120]  [<ffffffff8166c36b>] invalid_op+0x1b/0x20
[  213.441160]  [<ffffffff81134f01>] ? kzfree+0x31/0x40
[  213.441199]  [<ffffffff81164e55>] ? kfree+0x135/0x140
[  213.441250]  [<ffffffff81164d5b>] ? kfree+0x3b/0x140
[  213.441300]  [<ffffffff81134f01>] kzfree+0x31/0x40
[  213.441351]  [<ffffffff812dadca>] apparmor_file_free_security+0x1a/0x20
[  213.441405]  [<ffffffff812a1d86>] security_file_free+0x16/0x20
[  213.441456]  [<ffffffff8117c1c6>] __fput+0xc6/0x210
[  213.441506]  [<ffffffff8117c335>] fput+0x25/0x30
[  213.441556]  [<ffffffff81144095>] remove_vma+0x45/0x90
[  213.441607]  [<ffffffff81146bd8>] exit_mmap+0xe8/0x140
[  213.441657]  [<ffffffff81066012>] mmput.part.16+0x42/0x130
[  213.441708]  [<ffffffff81066129>] mmput+0x29/0x30
[  213.441757]  [<ffffffff8106cb33>] exit_mm+0x113/0x130
[  213.441808]  [<ffffffff810e5cb5>] ? taskstats_exit+0x45/0x240
[  213.441860]  [<ffffffff81662025>] ? _raw_spin_lock_irq+0x15/0x20
[  213.441911]  [<ffffffff8106ccbe>] do_exit+0x16e/0x450
[  213.441962]  [<ffffffff8106d144>] do_group_exit+0x44/0xa0
[  213.442013]  [<ffffffff8106d1b7>] sys_exit_group+0x17/0x20
[  213.442063]  [<ffffffff8166a382>] system_call_fastpath+0x16/0x1b
[  213.442149] 
[  213.442193] Restarting tasks ... done.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: grep 2.10-1
ProcVersionSignature: Ubuntu 3.2.0-61.93-generic 3.2.55
Uname: Linux 3.2.0-61-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
Date: Sun May 11 13:22:42 2014
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_CA:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: grep
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grep (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise

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https://bugs.launchpad.net/bugs/1318410

Title:
  grep crashes during suspend

Status in “grep” package in Ubuntu:
  New

Bug description:
  Since doing an update this morning (around 2014-05-11 13:00:00 Pacific
  Time), all attempts to suspend this PC fail, whereas prior it has
  never been an issue.

  dmesg reports:

  [  193.434832] PM: Syncing filesystems ... done.
  [  193.439449] PM: Preparing system for mem sleep
  [  193.439495] Freezing user space processes ... 
  [  213.440053] Freezing of tasks failed after 20.00 seconds (1 tasks refusing to freeze, wq_busy=0):
  [  213.440131] grep            D ffff88020c9c7620     0  1810   1808 0x00800004
  [  213.440234]  ffff88020ffe59f8 0000000000000046 000000000000000b ffff88021fd937c0
  [  213.440397]  ffff88020ffe5fd8 ffff88020ffe5fd8 ffff88020ffe5fd8 00000000000137c0
  [  213.440560]  ffff8802121a1700 ffff88020e15dc00 ffff88020ffe5a18 ffff88020e15dc00
  [  213.440722] Call Trace:
  [  213.440761]  [<ffffffff8165fe2f>] schedule+0x3f/0x60
  [  213.440802]  [<ffffffff8106cf77>] do_exit+0x427/0x450
  [  213.440842]  [<ffffffff81662ee0>] oops_end+0xb0/0xf0
  [  213.440882]  [<ffffffff810178b8>] die+0x58/0x90
  [  213.440921]  [<ffffffff81662854>] do_trap+0xc4/0x170
  [  213.440961]  [<ffffffff81134f01>] ? kzfree+0x31/0x40
  [  213.441000]  [<ffffffff81134f01>] ? kzfree+0x31/0x40
  [  213.441040]  [<ffffffff81014f55>] do_invalid_op+0x95/0xb0
  [  213.441080]  [<ffffffff81164e55>] ? kfree+0x135/0x140
  [  213.441120]  [<ffffffff8166c36b>] invalid_op+0x1b/0x20
  [  213.441160]  [<ffffffff81134f01>] ? kzfree+0x31/0x40
  [  213.441199]  [<ffffffff81164e55>] ? kfree+0x135/0x140
  [  213.441250]  [<ffffffff81164d5b>] ? kfree+0x3b/0x140
  [  213.441300]  [<ffffffff81134f01>] kzfree+0x31/0x40
  [  213.441351]  [<ffffffff812dadca>] apparmor_file_free_security+0x1a/0x20
  [  213.441405]  [<ffffffff812a1d86>] security_file_free+0x16/0x20
  [  213.441456]  [<ffffffff8117c1c6>] __fput+0xc6/0x210
  [  213.441506]  [<ffffffff8117c335>] fput+0x25/0x30
  [  213.441556]  [<ffffffff81144095>] remove_vma+0x45/0x90
  [  213.441607]  [<ffffffff81146bd8>] exit_mmap+0xe8/0x140
  [  213.441657]  [<ffffffff81066012>] mmput.part.16+0x42/0x130
  [  213.441708]  [<ffffffff81066129>] mmput+0x29/0x30
  [  213.441757]  [<ffffffff8106cb33>] exit_mm+0x113/0x130
  [  213.441808]  [<ffffffff810e5cb5>] ? taskstats_exit+0x45/0x240
  [  213.441860]  [<ffffffff81662025>] ? _raw_spin_lock_irq+0x15/0x20
  [  213.441911]  [<ffffffff8106ccbe>] do_exit+0x16e/0x450
  [  213.441962]  [<ffffffff8106d144>] do_group_exit+0x44/0xa0
  [  213.442013]  [<ffffffff8106d1b7>] sys_exit_group+0x17/0x20
  [  213.442063]  [<ffffffff8166a382>] system_call_fastpath+0x16/0x1b
  [  213.442149] 
  [  213.442193] Restarting tasks ... done.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: grep 2.10-1
  ProcVersionSignature: Ubuntu 3.2.0-61.93-generic 3.2.55
  Uname: Linux 3.2.0-61-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  Date: Sun May 11 13:22:42 2014
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_CA:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: grep
  UpgradeStatus: No upgrade log present (probably fresh install)

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