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[bugbot <690201@xxxxxxxxxxxxxxxxxx>]

** Description changed:

  Binary package hint: xserver-xorg-video-intel
  
  I've had a few OpenGL programs suffer from frozen screens when they use
  a full-screen mode on my EliteBook 8440p laptop. So far I have only
  found one way to reproduce the problem.
  
  * Launch Kubuntu's "system settings" app.
  * In the Display and Monitor control panel, select "Screen Saver", and choose an OpenGL Screen Saver.  I tried Euphoria and Particle Fountain.  Set the screen saver to start after 1 minute.
  * In the Power Management control panel, find a profile assigned to the Performance profile. Edit the Performance profile to enable display power management, standby after 2 minutes, suspend after 3 minutes.
  * Do nothing for 4 minutes, then touch a key.
  
  For me, the screen lights up showing the last frame of the screen saver
  . The cursor is active and changes shape as I move it, as if it were
  reacting to the unseen windows on the screen.
  
  Switching to console 1, I see an irregular stream of messages
    [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed ... GPU hung
    [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5
  
  Xorg.log ends with
    [  4163.368] (WW) intel(0): i830_uxa_prepare_access: gtt bo map failed: Input/output error
    [  4163.371] (EE) intel(0): Failed to submit batch buffer, expect rendering corruption or even a frozen display: Input/output error.
  
  The Asciiquarium and Blank Screen screen savers don't cause this
  problem.
  
  This may be upstream bug
  https://bugs.freedesktop.org/show_bug.cgi?id=31021
  
  lsb_release -rd:
    Description:    Ubuntu 10.10
    Release:        10.10
  
  apt-cache policy xserver-xorg-video-intel:
    xserver-xorg-video-intel:
      Installed: 2:2.12.0-1ubuntu5.1
      Candidate: 2:2.12.0-1ubuntu5.1
      Version table:
     *** 2:2.12.0-1ubuntu5.1 0
            500 http://ca.archive.ubuntu.com/ubuntu/ maverick-updates/main amd64 Packages
            100 /var/lib/dpkg/status
         2:2.12.0-1ubuntu5 0
            500 http://ca.archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: xserver-xorg-video-intel 2:2.12.0-1ubuntu5.1
  ProcVersionSignature: Ubuntu 2.6.35-23.41-generic 2.6.35.7
  Uname: Linux 2.6.35-23-generic x86_64
  Architecture: amd64
  DRM.card0.DisplayPort.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1366x768 1366x768
   edid-base64: AP///////wAGrzwUAAAAAAATAQSVHxF4AkUlnFtVnCcZUFQAAAABAQEBAQEBAQEBAQEBAQEBEhtWRlAAIzAmFjYANa0QAAAYDBJWRlAAIzAmFjYANa0QAAAYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgAMRegLPGQSEh1uICAgAK4=
  DRM.card0.DisplayPort.2:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DRM.card0.DisplayPort.3:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DRM.card0.DisplayPort.4:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DRM.card0.HDMI_Type_A.1:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DRM.card0.HDMI_Type_A.2:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DRM.card0.HDMI_Type_A.3:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DRM.card0.VGA.1:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  Date: Tue Dec 14 08:30:56 2010
  GdmLog:
   Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log'] failed with exit code 1: QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: No such file or directory
   QFileSystemWatcher: failed to add paths: /home/gjditchf/.config/ibus/bus
   Bus::open: Can not get ibus-daemon's address. 
   IBusInputContext::createInputContext: no connection to ibus-daemon 
   cat: /var/log/gdm/:0.log: No such file or directory
  GdmLog1: Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log.1'] failed with exit code 1: cat: /var/log/gdm/:0.log.1: No such file or directory
  GdmLog2: Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log.2'] failed with exit code 1: cat: /var/log/gdm/:0.log.2: No such file or directory
  InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100630.1)
  MachineType: Hewlett-Packard HP EliteBook 8440p
  PccardctlIdent:
   Socket 0:
     product info: "RICOH", "Bay8Controller", "", ""
     manfid: 0x0000, 0x0000
     function: 254 (unknown)
  PccardctlStatus:
   Socket 0:
     3.3V 16-bit PC Card
     Subdevice 0 (function 0) bound to driver "pata_pcmcia"
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-23-generic root=UUID=e727547d-e607-4a43-96f9-8b16fea56792 ro quiet splash
  ProcEnviron:
   LANGUAGE=
   PATH=(custom, user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: xserver-xorg-video-intel
  dmi.bios.date: 12/22/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68CCU Ver. F.02
  dmi.board.name: 172A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 30.29
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68CCUVer.F.02:bd12/22/2009:svnHewlett-Packard:pnHPEliteBook8440p:pvr:rvnHewlett-Packard:rn172A:rvrKBCVersion30.29:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP EliteBook 8440p
  dmi.sys.vendor: Hewlett-Packard
  system:
   distro:             Ubuntu
   codename:           maverick
   architecture:       x86_64
   kernel:             2.6.35-23-generic
+ 
+ [lspci]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 12) (prog-if 00 [VGA controller])
+     	Subsystem: Hewlett-Packard Company Device [103c:172a]

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https://bugs.launchpad.net/bugs/690201

Title:
  Hang check timer elapsed ... GPU hung