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[Adf-lists <1176647@xxxxxxxxxxxxxxxxxx>]

(In reply to Andy Furniss from comment #15)

> I only recently started seeing locks - turns out that dri3 was OK for me,
> but of course it then got disabled by default and I started getting locks.

It seems I was a bit hasty in calling dri3 OK - I can lock if I try long
enough, just that it takes about 20x longer than dri2.

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1176647

Title:
  [snb] random hard lockup whilst using Xv

Status in X.org xf86-video-intel:
  Incomplete
Status in xserver-xorg-video-intel package in Ubuntu:
  Incomplete

Bug description:
  When using the system for some time, at some point display freezes. The system seems to continue working as mplayer remains streaming internet radio and also the audio output works properly. During this lock-up the mouse can be moved but any click is ignored. Furthermore any attempt to switch to a TTY is ignored as well. Even worse the power button does not trigger a shutdown. Therefore I usually hard reset by pressing the power button for several seconds.
  I first witnessed this bug after upgrading to 13.04 (from 12.04). To make sure, I freshly installed Ubuntu, but unfortunately this did not help avoing the bug.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
  Uname: Linux 3.8.0-19-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  Date: Sun May  5 21:27:55 2013
  DistUpgraded: Fresh install
  DistroCodename: raring
  DistroVariant: ubuntu
  DkmsStatus: virtualbox, 4.2.10, 3.8.0-19-generic, x86_64: installed
  ExtraDebuggingInterest: I just need to know a workaround
  GpuHangFrequency: Several times a day
  GpuHangReproducibility: Seems to happen randomly
  GpuHangStarted: Immediately after installing this version of Ubuntu
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:21da]
  InstallationDate: Installed on 2013-05-05 (0 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: LENOVO 4290W4H
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-19-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/02/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET51WW (1.21 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4290W4H
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8DET51WW(1.21):bd08/02/2011:svnLENOVO:pn4290W4H:pvrThinkPadX220:rvnLENOVO:rn4290W4H:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4290W4H
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.43-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
  xserver.bootTime: Sun May  5 21:09:18 2013
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.3-0ubuntu6
  xserver.video_driver: intel

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