Public bug reported:

This has happened three times to me since I upgraded to Precise on
Friday eve (3 days ago).

On one occasion I was watching a flash video; on the others I was just
browsing the web.

This does not happen by itself; I leave the computer running overnight,
and my lock screen is always present when I wake it up in the morning.

Let me know if you need more info to debug.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  295.40  Thu Apr  5 21:37:00 
PDT 2012
 GCC version:  gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
.tmp.unity.support.test.0:
 
ApportVersion: 2.0.1-0ubuntu6
Architecture: amd64
CompizPlugins: 
[core,bailer,detection,composite,opengl,decor,compiztoolbox,gnomecompat,move,place,imgpng,resize,unitymtgrabhandles,vpswitch,mousepoll,regex,snap,grid,animation,workarounds,session,wall,expo,fade,ezoom,scale,unityshell]
CompositorRunning: compiz
CurrentDmesg:
 [158942.697618] do_general_protection: 36 callbacks suppressed
 [158942.697622] Xorg[8367] general protection ip:7f117b1586a9 sp:7fff7d6f7ef0 
error:0 in nvidia_drv.so[7f117b0f7000+6e0000]
Date: Mon Apr 30 07:05:09 2012
DistUpgraded: 2012-04-27 19:43:41,008 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus: nvidia-current, 295.40, 3.2.0-24-generic, x86_64: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
 NVIDIA Corporation G92 [GeForce 8800 GT] [10de:0611] (rev a2) (prog-if 00 [VGA 
controller])
   Subsystem: eVga.com. Corp. Device [3842:c800]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
JockeyStatus:
 xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, 
Enabled, In use)
 xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release 
updates) (Proprietary, Disabled, Not in use)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 003: ID 058f:6254 Alcor Micro Corp. USB Hub
 Bus 002 Device 002: ID 04f2:0402 Chicony Electronics Co., Ltd Genius LuxeMate 
i200 Keyboard
 Bus 001 Device 004: ID 046d:c408 Logitech, Inc. Marble Mouse (4-button)
MachineType: System manufacturer System Product Name
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic 
root=UUID=aaa725ec-2049-40d5-a006-6c6d7308d9fa ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to precise on 2012-04-27 (2 days ago)
dmi.bios.date: 03/17/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS P5N-E SLI ACPI BIOS Revision 1002
dmi.board.name: P5N-E SLI
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.XX
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnPhoenixTechnologies,LTD:bvrASUSP5N-ESLIACPIBIOSRevision1002:bd03/17/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5N-ESLI:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.7.6-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
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
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:0.0.16+git20111201+b5534a1-1build2

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


** Tags: amd64 apport-bug compiz-0.9 precise regression-update ubuntu

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https://bugs.launchpad.net/bugs/991878

Title:
  X restarts intermittently since upgrade to precise

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