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[Bug 1400587] Re: Freezing of tasks failed while trying to suspend

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1400587@xxxxxxxxxxxxxxxxxx>
Date: Sun, 08 Feb 2015 04:17:26 -0000
Reply-to: Bug 1400587 <1400587@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1400587

Title:
  Freezing of tasks failed while trying to suspend

Status in linux package in Ubuntu:
  Expired

Bug description:
  I closed my laptop's lid and unplugged some USB devices while it was
  suspending. Apparently, Linux failed to suspend - possibly because of
  USB:

  Dec  8 20:24:45 dima-xps kernel: [21918.824398] hub 3-1:1.0: cannot disable port 1 (err = -110)
  Dec  8 20:24:46 dima-xps kernel: [21919.168721] PM: Syncing filesystems ... done.
  Dec  8 20:24:46 dima-xps kernel: [21919.198809] PM: Preparing system for mem sleep
  Dec  8 20:25:06 dima-xps kernel: [21919.823745] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21920.823115] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21921.822391] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21922.821851] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21923.821087] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21923.821092] hub 3-1:1.0: Cannot enable port 1.  Maybe the USB cable is bad?
  Dec  8 20:25:06 dima-xps kernel: [21924.820392] hub 3-1:1.0: cannot disable port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21925.819663] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21926.818820] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21927.818350] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21928.817637] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21929.816868] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21929.816873] hub 3-1:1.0: Cannot enable port 1.  Maybe the USB cable is bad?
  Dec  8 20:25:06 dima-xps kernel: [21930.816139] hub 3-1:1.0: cannot disable port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21931.815469] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21932.814873] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21933.813968] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21934.813304] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21935.812587] hub 3-1:1.0: cannot reset port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21935.812592] hub 3-1:1.0: Cannot enable port 1.  Maybe the USB cable is bad?
  Dec  8 20:25:06 dima-xps kernel: [21936.811935] hub 3-1:1.0: cannot disable port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21936.811975] hub 3-1:1.0: unable to enumerate USB device on port 1
  Dec  8 20:25:06 dima-xps kernel: [21937.811067] hub 3-1:1.0: cannot disable port 1 (err = -110)
  Dec  8 20:25:06 dima-xps kernel: [21919.211316] Freezing user space processes ... 
  Dec  8 20:25:06 dima-xps kernel: [21939.203207] Freezing of tasks failed after 20.006 seconds (2 tasks refusing to freeze, wq_busy=0):
  Dec  8 20:25:06 dima-xps kernel: [21939.203298] adb             D ffff88011fa14440     0  6143   2249 0x00000004
  Dec  8 20:25:06 dima-xps kernel: [21939.203303]  ffff88008724dba0 0000000000000002 ffff88011536c7d0 ffff88008724dfd8
  Dec  8 20:25:06 dima-xps kernel: [21939.203307]  0000000000014440 0000000000014440 ffff88011536c7d0 ffff8800a28100e8
  Dec  8 20:25:06 dima-xps kernel: [21939.203310]  ffff8800a28100ec ffff88011536c7d0 00000000ffffffff ffff8800a28100f0
  Dec  8 20:25:06 dima-xps kernel: [21939.203313] Call Trace:
  Dec  8 20:25:06 dima-xps kernel: [21939.203322]  [<ffffffff8171ec69>] schedule_preempt_disabled+0x29/0x70
  Dec  8 20:25:06 dima-xps kernel: [21939.203326]  [<ffffffff81720ad5>] __mutex_lock_slowpath+0x135/0x1b0
  Dec  8 20:25:06 dima-xps kernel: [21939.203331]  [<ffffffff817082a8>] ? klist_iter_exit+0x18/0x30
  Dec  8 20:25:06 dima-xps kernel: [21939.203335]  [<ffffffff81720b6f>] mutex_lock+0x1f/0x2f
  Dec  8 20:25:06 dima-xps kernel: [21939.203339]  [<ffffffff8154a5a0>] usbdev_open+0xd0/0x230
  Dec  8 20:25:06 dima-xps kernel: [21939.203343]  [<ffffffff811c11ff>] chrdev_open+0x9f/0x1d0
  Dec  8 20:25:06 dima-xps kernel: [21939.203346]  [<ffffffff811b9d43>] do_dentry_open+0x233/0x2e0
  Dec  8 20:25:06 dima-xps kernel: [21939.203349]  [<ffffffff811c1160>] ? cdev_put+0x30/0x30
  Dec  8 20:25:06 dima-xps kernel: [21939.203351]  [<ffffffff811ba079>] vfs_open+0x49/0x50
  Dec  8 20:25:06 dima-xps kernel: [21939.203355]  [<ffffffff811c9fa1>] do_last+0x561/0x1200
  Dec  8 20:25:06 dima-xps kernel: [21939.203361]  [<ffffffff8131175b>] ? apparmor_file_alloc_security+0x5b/0x180
  Dec  8 20:25:06 dima-xps kernel: [21939.203365]  [<ffffffff811cc0bb>] path_openat+0xbb/0x620
  Dec  8 20:25:06 dima-xps kernel: [21939.203369]  [<ffffffff8149de68>] ? rpm_suspend+0x1a8/0x6e0
  Dec  8 20:25:06 dima-xps kernel: [21939.203372]  [<ffffffff811cd47a>] do_filp_open+0x3a/0x90
  Dec  8 20:25:06 dima-xps kernel: [21939.203376]  [<ffffffff811da237>] ? __alloc_fd+0xa7/0x130
  Dec  8 20:25:06 dima-xps kernel: [21939.203379]  [<ffffffff811bbb99>] do_sys_open+0x129/0x280
  Dec  8 20:25:06 dima-xps kernel: [21939.203384]  [<ffffffff81020d45>] ? syscall_trace_enter+0x145/0x250
  Dec  8 20:25:06 dima-xps kernel: [21939.203387]  [<ffffffff811bbd0e>] SyS_open+0x1e/0x20
  Dec  8 20:25:06 dima-xps kernel: [21939.203392]  [<ffffffff8172aeff>] tracesys+0xe1/0xe6
  Dec  8 20:25:06 dima-xps kernel: [21939.203412] colord-sane     D ffff88011fad4440     0  8586   2574 0x00000004
  Dec  8 20:25:06 dima-xps kernel: [21939.203415]  ffff8800a6febdd0 0000000000000002 ffff88000e4eafe0 ffff8800a6febfd8
  Dec  8 20:25:06 dima-xps kernel: [21939.203418]  0000000000014440 0000000000014440 ffff88000e4eafe0 ffff8800a28100e8
  Dec  8 20:25:06 dima-xps kernel: [21939.203421]  ffff8800a28100ec ffff88000e4eafe0 00000000ffffffff ffff8800a28100f0
  Dec  8 20:25:06 dima-xps kernel: [21939.203424] Call Trace:
  Dec  8 20:25:06 dima-xps kernel: [21939.203428]  [<ffffffff8171ec69>] schedule_preempt_disabled+0x29/0x70
  Dec  8 20:25:06 dima-xps kernel: [21939.203431]  [<ffffffff81720ad5>] __mutex_lock_slowpath+0x135/0x1b0
  Dec  8 20:25:06 dima-xps kernel: [21939.203434]  [<ffffffff81720b6f>] mutex_lock+0x1f/0x2f
  Dec  8 20:25:06 dima-xps kernel: [21939.203437]  [<ffffffff815494c9>] read_descriptors+0x39/0x110
  Dec  8 20:25:06 dima-xps kernel: [21939.203440]  [<ffffffff812325fb>] ? sysfs_bin_read+0x8b/0x1d0
  Dec  8 20:25:06 dima-xps kernel: [21939.203443]  [<ffffffff8123264e>] sysfs_bin_read+0xde/0x1d0
  Dec  8 20:25:06 dima-xps kernel: [21939.203446]  [<ffffffff811bc6f5>] vfs_read+0x95/0x160
  Dec  8 20:25:06 dima-xps kernel: [21939.203449]  [<ffffffff811bd209>] SyS_read+0x49/0xa0
  Dec  8 20:25:06 dima-xps kernel: [21939.203452]  [<ffffffff8172aeff>] tracesys+0xe1/0xe6

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-generic (not installed)
  ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dima       2714 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Mon Dec  8 21:23:08 2014
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=4e604b81-620a-41a0-bf0d-3e9678f1f5fc
  InstallationDate: Installed on 2013-04-05 (613 days ago)
  InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
  MachineType: Dell Inc. Dell System XPS L321X
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic root=UUID=bac9562b-214b-4ea6-b574-43052611d85c ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware                             1.138
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2014-09-29 (71 days ago)
  dmi.bios.date: 01/22/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 085X6F
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA08:bd01/22/2013:svnDellInc.:pnDellSystemXPSL321X:pvr:rvnDellInc.:rn085X6F:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L321X
  dmi.sys.vendor: Dell Inc.

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References

[Bug 1400587] [NEW] Freezing of tasks failed while trying to suspend
From: Dima Ryazanov, 2014-12-09