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[Launchpad Bug Tracker <1476869@xxxxxxxxxxxxxxxxxx>]

[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/1476869

Title:
  System Freeze

Status in linux package in Ubuntu:
  Expired

Bug description:
  Good Afternoon

  I have Ubuntu 14.04 LTS in my computer (Lenovo G40-45, 6.7 GB RAM, AMD
  A8-6410 APU with AMD Radeon R5 Graphics × 4  processor and Gallium 0.4
  on AMD MULLINS for graphics), I was using google chrome ver Versión
  43.0.2357.134 (64-bit) for check my email and watch some videos, when
  suddenly, the system completely froze, except for my mouse : I could
  not change desktop, open a terminal or do anything else, so I had to
  hard reboot the PC.

  This doesn't happen very often (this happened again one time last
  month), but I don't want to damage the computer with these hard
  reboots , I checked the kernel log, and around the time this happened,
  and I saw something about a lockup on CPU3 and later on CPU2, I think.

  Thank you for your help.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8.1
  ProcVersionSignature: Ubuntu 3.16.0-43.58~14.04.1-generic 3.16.7-ckt13
  Uname: Linux 3.16.0-43-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Tue Jul 21 18:56:13 2015
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus: rtlwifi-new, 0.5~trusty, 3.16.0-43-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GpuHangFrequency: Very infrequently
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Mullins [Radeon APU A4-6000 with R2 Graphics] [1002:9851] (rev 05) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:381a]
  InstallationDate: Installed on 2015-06-17 (34 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  MachineType: LENOVO 80E1
  ProcEnviron:
   LANGUAGE=es_CO:es
   TERM=xterm
   PATH=(custom, no user)
   LANG=es_CO.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-43-generic.efi.signed root=UUID=a3f269f7-8490-467d-817a-834880a4314e ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/26/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: A2CN25WW(V1.07)
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Lancer 4B2
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900059 WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo G40-45
  dmi.modalias: dmi:bvnLENOVO:bvrA2CN25WW(V1.07):bd08/26/2014:svnLENOVO:pn80E1:pvrLenovoG40-45:rvnLENOVO:rnLancer4B2:rvr31900059WIN:cvnLENOVO:ct10:cvrLenovoG40-45:
  dmi.product.name: 80E1
  dmi.product.version: Lenovo G40-45
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri N/A
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core N/A
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
  xserver.bootTime: Tue Jul 21 18:24:04 2015
  xserver.configfile: default
  xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.16.0-1ubuntu1.2~trusty2
  xserver.video_driver: radeon

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