Public bug reported:

>From time to time (I can't find a pattern), when I shutdown, reboot or
logout from the GUI, the screen turns off, but then doesn't turn on
again. At this point, the system hangs and I have to do a hard
powerdown. When switching to a tty, the screen goes blank as well
(because it has to change the resolution) but always turns on again, so
I always shutdown my system from the tty.

I'm using Ubuntu 12.04 with XFCE on a Compaq Presario CQ60 laptop.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-13.53-generic 2.6.38.8
Uname: Linux 2.6.38-13-generic i686
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Ist ein Verzeichnis: 
'/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86 Kernel Module  295.40  Thu Apr  5 21:28:09 PDT 
2012
 GCC version:  gcc-Version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
.tmp.unity.support.test.0:
 
ApportVersion: 2.0.1-0ubuntu13
Architecture: i386
CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Sun Oct 14 15:33:34 2012
DistUpgraded: 2012-04-28 15:04:05,598 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes,
GpuHangFrequency: Several times a week
GpuHangReproducibility: Occurs more often under certain circumstances
GpuHangStarted: Since before I upgraded
GraphicsCard:
 NVIDIA Corporation C77 [GeForce 8200M G] [10de:0845] (rev a2) (prog-if 00 [VGA 
controller])
   Subsystem: Hewlett-Packard Company Device [103c:360a]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
JockeyStatus:
 xorg:nvidia_173 - Beschleunigter Grafiktreiber von NVIDIA (Proprietär, 
Deaktiviert, Nicht benutzt)
 xorg:nvidia_173_updates - NVIDIAs beschleunigte Grafiktreiber (Nachträgliche 
Aktualisierungen) (Proprietär, Deaktiviert, Nicht benutzt)
 xorg:nvidia_current - Beschleunigter Grafiktreiber von NVIDIA (Proprietär, 
Aktiviert, In Benutzung)
 xorg:nvidia_current_updates - NVIDIAs beschleunigte Grafiktreiber 
(Nachträgliche Aktualisierungen) (Proprietär, Deaktiviert, Nicht benutzt)
MachineType: Hewlett-Packard Compaq Presario CQ60 Notebook PC
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-13-generic 
root=UUID=3e5f88e8-fcc6-40f3-a374-fc9a11ffd81e ro noplymouth
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to precise on 2012-04-28 (169 days ago)
dmi.bios.date: 10/17/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.31
dmi.board.name: 303C
dmi.board.vendor: Wistron
dmi.board.version: 08.47
dmi.chassis.type: 10
dmi.chassis.vendor: Wistron
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.31:bd10/17/2008:svnHewlett-Packard:pnCompaqPresarioCQ60NotebookPC:pvrF.31:rvnWistron:rn303C:rvr08.47:cvnWistron:ct10:cvrN/A:
dmi.product.name: Compaq Presario CQ60 Notebook PC
dmi.product.version: F.31
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.7.8-0ubuntu1.4
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.3+8.0.2-0ubuntu3.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.3+8.0.2-0ubuntu3.2
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.8
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:0.0.16+git20111201+b5534a1-1build2

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug freeze i386 precise ubuntu

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1066505

Title:
  Screen goes blank and system freezes on shutdown / logout / reboot

Status in “xorg” package in Ubuntu:
  New

Bug description:
  From time to time (I can't find a pattern), when I shutdown, reboot or
  logout from the GUI, the screen turns off, but then doesn't turn on
  again. At this point, the system hangs and I have to do a hard
  powerdown. When switching to a tty, the screen goes blank as well
  (because it has to change the resolution) but always turns on again,
  so I always shutdown my system from the tty.

  I'm using Ubuntu 12.04 with XFCE on a Compaq Presario CQ60 laptop.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: xorg 1:7.6+12ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-13.53-generic 2.6.38.8
  Uname: Linux 2.6.38-13-generic i686
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Ist ein Verzeichnis: 
'/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86 Kernel Module  295.40  Thu Apr  5 21:28:09 PDT 
2012
   GCC version:  gcc-Version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: i386
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  Date: Sun Oct 14 15:33:34 2012
  DistUpgraded: 2012-04-28 15:04:05,598 DEBUG enabling apt cron job
  DistroCodename: precise
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes,
  GpuHangFrequency: Several times a week
  GpuHangReproducibility: Occurs more often under certain circumstances
  GpuHangStarted: Since before I upgraded
  GraphicsCard:
   NVIDIA Corporation C77 [GeForce 8200M G] [10de:0845] (rev a2) (prog-if 00 
[VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:360a]
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  JockeyStatus:
   xorg:nvidia_173 - Beschleunigter Grafiktreiber von NVIDIA (Proprietär, 
Deaktiviert, Nicht benutzt)
   xorg:nvidia_173_updates - NVIDIAs beschleunigte Grafiktreiber (Nachträgliche 
Aktualisierungen) (Proprietär, Deaktiviert, Nicht benutzt)
   xorg:nvidia_current - Beschleunigter Grafiktreiber von NVIDIA (Proprietär, 
Aktiviert, In Benutzung)
   xorg:nvidia_current_updates - NVIDIAs beschleunigte Grafiktreiber 
(Nachträgliche Aktualisierungen) (Proprietär, Deaktiviert, Nicht benutzt)
  MachineType: Hewlett-Packard Compaq Presario CQ60 Notebook PC
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-13-generic 
root=UUID=3e5f88e8-fcc6-40f3-a374-fc9a11ffd81e ro noplymouth
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: Upgraded to precise on 2012-04-28 (169 days ago)
  dmi.bios.date: 10/17/2008
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.31
  dmi.board.name: 303C
  dmi.board.vendor: Wistron
  dmi.board.version: 08.47
  dmi.chassis.type: 10
  dmi.chassis.vendor: Wistron
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.31:bd10/17/2008:svnHewlett-Packard:pnCompaqPresarioCQ60NotebookPC:pvrF.31:rvnWistron:rn303C:rvr08.47:cvnWistron:ct10:cvrN/A:
  dmi.product.name: Compaq Presario CQ60 Notebook PC
  dmi.product.version: F.31
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.7.8-0ubuntu1.4
  version.libdrm2: libdrm2 2.4.32-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.3+8.0.2-0ubuntu3.2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.3+8.0.2-0ubuntu3.2
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.8
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.14.99~git20111219.aacbd629-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:0.0.16+git20111201+b5534a1-1build2

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