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[Artur Wyszyński <harakash@xxxxxxxxx>]

Public bug reported:

I think i found the root cause of this behaviour.
My story started in december 2010 when i bought a new laptop, msi gt660r with
geforce gtx 285m and windows 7 preinstalled. I use windows only for work
and linux as my main os. Doing anything on windows which needed gpu, like 
watching youtube, movies or just using windows (with aero enabled), no matter if
i was on battery or not, after some time it always caused "Display driver stopped
responding and has recovered" or just black screen of death.
It was a PITA and i couldn't find any solution for this for a long time.
Back to ubuntu now, no matter if it was 10.10, 11.04 or 11.10 i suffered from
similiar bug - whenever i was on battery or not xorg always crashed after
sometime (mainly on a battery). Then i found a workaround for this on some windows forum,
it was pretty simple: all you needed to do was to open nvidia control panel,
change power management settings from adaptive to prefer maximum performance
and add explorer and few other programs to the list and override this settings
on them. Done, no more crashes! Today i tried this on 11.10, opened nvidia
settings and applied the same options - fixed. AFAIK this should work for ati
users too (they had that same problems on that forum for win7).

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu6
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-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  280.13  Wed Jul 27 16:53:56 PDT 2011
 GCC version:  gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-7ubuntu2)
.tmp.unity.support.test.0:
 
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
Date: Wed Sep  7 16:32:55 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current, 280.13, 3.0.0-10-generic, x86_64: installed
 nvidia-current, 280.13, 3.0.0-9-generic, x86_64: installed
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
 nVidia Corporation G92 [GeForce GTX 285M] [10de:060f] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Micro-Star International Co., Ltd. Device [1462:1062]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
JockeyStatus:
 xorg:nvidia_173 - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
 xorg:nvidia_current-update - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Disabled, Not in use)
 xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, Not in use)
 xorg:nvidia_173-update - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Disabled, Not in use)
MachineType: Micro-Star International MS-16F1
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-10-generic root=/dev/mapper/vg_synapse-lv_root_crypt ro quiet splash vt.handoff=7
SourcePackage: xorg
UnitySupportTest: Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code -11:
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/06/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: E16F1IMS VER3.0H
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: MS-16F1
dmi.board.vendor: Micro-Star International
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 10
dmi.chassis.vendor: Micro-Star International
dmi.chassis.version: To be filled by O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE16F1IMSVER3.0H:bd01/06/2011:svnMicro-StarInternational:pnMS-16F1:pvrTobefilledbyO.E.M.:rvnMicro-StarInternational:rnMS-16F1:rvrTobefilledbyO.E.M.:cvnMicro-StarInternational:ct10:cvrTobefilledbyO.E.M.:
dmi.product.name: MS-16F1
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Micro-Star International
version.compiz: compiz 1:0.9.5.92+bzr2791-0ubuntu2
version.ia32-libs: ia32-libs 20090808ubuntu20
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

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


** Tags: amd64 apport-bug compiz-0.9 has-fix oneiric reproducible running-unity ubuntu

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https://bugs.launchpad.net/bugs/843946

Title:
  [nvidia] xorg crash on battery

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