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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Did this issue start happening after an update/upgrade? Was there a
kernel version where you were not having this particular problem? This
will help determine if the problem you are seeing is the result of the
introduction of a regression, and when this regression was introduced.
If this is a regression, we can perform a kernel bisect to identify the
commit that introduced the problem.


** Changed in: linux (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1349923

Title:
  Freeze pc

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  The bug is as follows:

  The whole system freezes except the mouse. After 5 seconds, the screen
  turns off as if he put on standby.

  After 20 to 30 seconds, in most cases, the screen turns back on and it
  is possible to resume the job. But sometimes, the screen comes back
  but the rest is still frozen and then the screen turns off again, on
  again and so on. In this case, a forced reboot is required.

  However, while the system is frozen, magic keys (reisub) are still
  functional.

  I noticed that this bug occurs mainly when I used my pc so active
  (file transfer, web browsing, video playback, etc). I left my pc on
  for several days without working on it and according to the system
  log, the bug has not manifested.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-6-generic 3.16.0-6.11
  ProcVersionSignature: Ubuntu 3.16.0-6.11-generic 3.16.0-rc7
  Uname: Linux 3.16.0-6-generic x86_64
  ApportVersion: 2.14.5-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  lynn       2740 F.... pulseaudio
   /dev/snd/controlC1:  lynn       2740 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jul 29 17:11:03 2014
  HibernationDevice: #RESUME=UUID=7d6efaa5-21d8-46ff-b013-bdbeeec0e829
  IwConfig:
   tun0      no wireless extensions.

   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-6-generic root=UUID=09e8d2b6-5539-4289-b78f-b622b738d86e ro quiet splash crashkernel=384M-:128M vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-6-generic N/A
   linux-backports-modules-3.16.0-6-generic  N/A
   linux-firmware                            1.132
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/01/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 3602
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: SABERTOOTH P67
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3602:bd11/01/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnSABERTOOTHP67:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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