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[Bug 1562618] Re: whole OS freezes seemingly randomly

 

Vincent Gerris, the next step is to fully reverse commit bisect from
kernel 4.6-rc1 to 4.7-rc5 in order to identify the last bad commit,
followed immediately by the first good one. Once this good commit has
been identified, it may be reviewed for backporting. Could you please do
this following
https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F
?

Please note, finding adjacent kernel versions is not fully commit
bisecting.

Also, the kernel release names are irrelevant for the purposes of
bisecting.

After the fix commit (not kernel version) has been identified, then
please mark this report Status Confirmed.

Thank you for your help.

** Tags added: kernel-fixed-upstream kernel-fixed-upstream-4.7-rc5
needs-reverse-bisect

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https://bugs.launchpad.net/bugs/1562618

Title:
  whole OS freezes seemingly randomly

Status in linux package in Ubuntu:
  Expired

Bug description:
  I had some random freezes of the whole operating system.
  No caps lock response or terminal switching, nothng.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-15-generic 4.4.0-15.31
  ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
  Uname: Linux 4.4.0-15-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  vincent    1714 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Mar 27 23:46:02 2016
  HibernationDevice: RESUME=UUID=8180a7b6-a1c0-494a-9f65-99a7b54f6deb
  InstallationDate: Installed on 2015-11-01 (147 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20332
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic.efi.signed root=UUID=44fb018f-3dbd-4eb6-ab9a-6668de8d13d2 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-15-generic N/A
   linux-backports-modules-4.4.0-15-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-03-25 (2 days ago)
  dmi.bios.date: 12/26/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 92CN26WW(V1.06)
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: AIUU1
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900042STD
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Yoga 2 11
  dmi.modalias: dmi:bvnLENOVO:bvr92CN26WW(V1.06):bd12/26/2013:svnLENOVO:pn20332:pvrLenovoYoga211:rvnLENOVO:rnAIUU1:rvr31900042STD:cvnLENOVO:ct10:cvrLenovoYoga211:
  dmi.product.name: 20332
  dmi.product.version: Lenovo Yoga 2 11
  dmi.sys.vendor: LENOVO

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