kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

I'd like to perform a reverse bisect to figure out which commit upstream
fixes this regression. It would be very helpful to know the last kernel
that had this issue and the first kernel that did not.

Can you test the following kernels and report back? We are looking for
the earliest kernel version that doesn't have this bug:

v3.17-rc4: http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.17-rc4-utopic

If v3.17rc-4 exhibits the bug then test v3.17-rc6:
v3.17-rc6: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-rc6-utopic/

If v3.17-rc4 does not exhibit the bug then test v3.17-rc2:
v3.17-rc2: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-rc2-utopic/

You don't have to test every kernel, just up until the first kernel that
does not have this bug.

Thanks in advance!

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

** Tags added: performing-bisect

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https://bugs.launchpad.net/bugs/1374948

Title:
  BUG: soft lockup - CPU#1 stuck for 22s! [Xorg:1839]

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  Ubuntu 14.10 slow runing, slow rebooting, slow working.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-18-generic 3.16.0-18.25
  ProcVersionSignature: Ubuntu 3.16.0-18.25-generic 3.16.3
  Uname: Linux 3.16.0-18-generic x86_64
  Annotation: Your system might become unstablenow and might need to be restarted.
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  alenka     2796 F.... pulseaudio
   /dev/snd/controlC0:  alenka     2796 F.... pulseaudio
  Date: Sun Sep 28 08:37:44 2014
  DuplicateSignature: BUG: soft lockup - CPU#1 stuck for 22s! [Xorg:1839] RIP: 0010:location  location ttm_dma_unpopulate+0x79/0x380 [ttm]
  Failure: oops
  HibernationDevice: RESUME=UUID=60c4391d-b68f-4f82-acb6-96e4086cd266
  InstallationDate: Installed on 2012-09-02 (755 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MachineType: Hewlett-Packard HP Pavilion g6 Notebook PC
  ProcFB:
   0 radeondrmfb
   1 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-18-generic root=UUID=7adacb1d-cf9c-4a0c-81b9-9ff248938c36 ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-3ubuntu8
  SourcePackage: linux
  Title: BUG: soft lockup - CPU#1 stuck for 22s! [Xorg:1839]
  UpgradeStatus: Upgraded to utopic on 2014-09-25 (2 days ago)
  dmi.bios.date: 08/18/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.33
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 3567
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 21.27
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.33:bd08/18/2011:svnHewlett-Packard:pnHPPaviliong6NotebookPC:pvr0696120000004610000600000:rvnHewlett-Packard:rn3567:rvr21.27:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion g6 Notebook PC
  dmi.product.version: 0696120000004610000600000
  dmi.sys.vendor: Hewlett-Packard

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