downgrade nvidia drivers worked for me well. I recommend 290.10 version

2012/5/30 ef <email address hidden>

> what exactly did you do to solve problem Julien?
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (990357).
> https://bugs.launchpad.net/bugs/973096
>
> Title:
>  Nvidia driver causes xorg crash
>
> Status in “nvidia-graphics-drivers” package in Ubuntu:
>  Triaged
>
> Bug description:
>  When using 12.04, X will crash and send me to the login screen. This
>  can happen when working, or when the computer is idle.
>
>  I'm using version 295.33. I remember getting the same crash occuring
>  on 11.10 when I upgraded to version 295.20 [version before 295.33],
>  but this may or may not be the same bug.
>
>  Here are a few lines from the end of dmesg:
>
>  [24513.920780] NVRM: Xid (0000:02:00): 6, PE0001
>  [24514.021067] Xorg[4044]: segfault at 68 ip 00007f38dbb4aaf9 sp
> 00007fffca422bf0 error 4 in nvidia_drv.so[7f38dbae9000+6e0000]
>  [27450.598620] generic-usb 0003:1532:000A.0001: can't reset device,
> 0000:00:1d.0-1.1/input0, status -32
>  [27452.635920] generic-usb 0003:1532:000A.0002: can't reset device,
> 0000:00:1d.0-1.1/input1, status -32
>  [27456.598768] generic-usb 0003:1532:000A.0001: can't reset device,
> 0000:00:1d.0-1.1/input0, status -32
>  [27457.102295] generic-usb 0003:1532:000A.0002: can't reset device,
> 0000:00:1d.0-1.1/input1, status -32
>  [27464.628693] generic-usb 0003:1532:000A.0002: can't reset device,
> 0000:00:1d.0-1.1/input1, status -32
>  [27478.619087] generic-usb 0003:1532:000A.0001: can't reset device,
> 0000:00:1d.0-1.1/input0, status -32
>  [30168.523350] Xorg[5066] general protection ip:7f4d37605af9
> sp:7fff1c0b65f0 error:0 in nvidia_drv.so[7f4d375a4000+6e0000]
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 12.04
>  Package: nvidia-current 295.33-0ubuntu1
>  ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
>  Uname: Linux 3.2.0-21-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: ""
>  .tmp.unity.support.test.0:
>
>  ApportVersion: 2.0-0ubuntu4
>  Architecture: amd64
>  CompizPlugins:
> [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
>  CompositorRunning: compiz
>  Date: Wed Apr  4 01:25:22 2012
>  DistUpgraded: Fresh install
>  DistroCodename: precise
>  DistroVariant: ubuntu
>  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64
> (20120325)
>  MachineType: System76, Inc. Serval Professional
>  ProcEnviron:
>   LANGUAGE=en_CA:en
>   TERM=xterm
>   LANG=en_CA.UTF-8
>   SHELL=/bin/bash
>  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-21-generic
> root=UUID=1d8777f4-3614-4d99-850e-a6067203b02e ro quiet splash vt.handoff=7
>  SourcePackage: nvidia-graphics-drivers
>  UpgradeStatus: No upgrade log present (probably fresh install)
>  XorgConf:
>   Section "Device"
>        Identifier      "Default Device"
>        Option  "NoLogo"        "True"
>   EndSection
>  dmi.bios.date: 05/04/2010
>  dmi.bios.vendor: Phoenix Technologies LTD
>  dmi.bios.version: CALPELLACRB.86C.0000.X.0000000000
>  dmi.board.asset.tag: Tag 12345
>  dmi.board.name: Serval Professional
>  dmi.board.vendor: System76, Inc.
>  dmi.board.version: serp6
>  dmi.chassis.asset.tag: No Asset Tag
>  dmi.chassis.type: 9
>  dmi.chassis.vendor: System76, Inc.
>  dmi.chassis.version: serp6
>  dmi.modalias:
> dmi:bvnPhoenixTechnologiesLTD:bvrCALPELLACRB.86C.0000.X.0000000000:bd05/04/2010:svnSystem76,Inc.:pnServalProfessional:pvrserp6:rvnSystem76,Inc.:rnServalProfessional:rvrserp6:cvnSystem76,Inc.:ct9:cvrserp6:
>  dmi.product.name: Serval Professional
>  dmi.product.version: serp6
>  dmi.sys.vendor: System76, Inc.
>  version.compiz: compiz 1:0.9.7.4-0ubuntu1
>  version.ia32-libs: ia32-libs 20090808ubuntu35
>  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 2:1.11.4-0ubuntu8
>  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
>
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