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[Launchpad Bug Tracker <1309153@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: xorg (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1309153

Title:
  10de:06fd [HP Z400 Workstation] NVRM: os_pci_init_handle: invalid
  context!

Status in xorg package in Ubuntu:
  Confirmed

Bug description:
  My Xsessions are locking up at random times (sometimes mulitple times
  an hour, sometimes with days in between).

  During these lockups I have a variety of effects not always the same. These include: 
  having the display freeze, but the mouse cursor still moves (but clicks do nothing)
  having the display completely freeze
  sometimes sound continues to play and sometimes it starts looping the last few seconds of sound
  sometimes I can use Ctrl-Alt-F1 to get a command lines, but not always
  most of the time I can ssh in from another machine, but not always

  If I can get a command line, sometimes it can recover by restarting lightdm, but not always
  I can sometimes recover by using Alt-SysRq k, but not always 
  sometimes the computer need to be powered off to reboot

  There is pretty much always lines in the syslog with statements such as 
  Apr 17 10:10:58 pegasus kernel: [74129.721505] NVRM: os_pci_init_handle: invalid context!
  Apr 17 10:11:49 pegasus kernel: [74178.673977] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context

  with the NVRM: os_pci_init_handle: invalid context! being the most commonly seen one
  the need to reboot tends to be with the NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context errors

  I will try to provide additional needed data as requested, but will
  need specific instructions since I'm very new to debugging (I have
  used linux for about 15 years without major issues until now).

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: xorg 1:7.7+1ubuntu6
  ProcVersionSignature: Ubuntu 3.11.0-19.33-generic 3.11.10.5
  Uname: Linux 3.11.0-19-generic i686
  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 Kernel Module  331.20  Wed Oct 30 16:59:55 PDT 2013
   GCC version:  gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu9)
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: i386
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,regex,gnomecompat,snap,vpswitch,place,compiztoolbox,grid,imgpng,animation,resize,workarounds,move,mousepoll,wall,session,expo,unitymtgrabhandles,fade,scale,ezoom,unityshell]
  CompositorRunning: None
  Date: Thu Apr 17 15:17:28 2014
  DistUpgraded: 2014-03-25 08:13:52,816 DEBUG enabling apt cron job
  DistroCodename: saucy
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia-331, 331.20, 3.11.0-18-generic, i686: installed
   nvidia-331, 331.20, 3.11.0-19-generic, i686: installed
   nvidia-331, 331.20, 3.2.0-60-generic-pae, i686: installed
   nvidia-331, 331.20, 3.5.0-47-generic, i686: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   NVIDIA Corporation G98 [Quadro NVS 295] [10de:06fd] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: NVIDIA Corporation Device [10de:062e]
  InstallationDate: Installed on 2010-06-23 (1394 days ago)
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  JockeyStatus:
   kmod:nvidia_319_updates - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
   kmod:nvidia_304 - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
   kmod:nvidia_331 - nvidia_331 (Proprietary, Enabled, Not in use)
   kmod:nvidia_304_updates - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
   kmod:nvidia_319 - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
  MachineType: Hewlett-Packard HP Z400 Workstation
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-19-generic root=UUID=d0cdc763-d1e9-4d49-9c33-03cbb8bc5099 ro quiet splash
  SourcePackage: xorg
  UpgradeStatus: Upgraded to saucy on 2014-03-25 (23 days ago)
  dmi.bios.date: 08/19/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 786G3 v01.17
  dmi.board.name: 0AE4h
  dmi.board.vendor: Hewlett-Packard
  dmi.chassis.asset.tag: 2UA00201TS
  dmi.chassis.type: 6
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr786G3v01.17:bd08/19/2009:svnHewlett-Packard:pnHPZ400Workstation:pvr:rvnHewlett-Packard:rn0AE4h:rvr:cvnHewlett-Packard:ct6:cvr:
  dmi.product.name: HP Z400 Workstation
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
  version.libdrm2: libdrm2 2.4.46-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu3
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.14.5-1ubuntu2~saucy1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
  xserver.bootTime: Thu Apr 17 14:25:25 2014
  xserver.configfile: /etc/X11/xorg.conf
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Power Button         KEYBOARD, id 7
   input        Logitech USB-PS/2 Optical Mouse MOUSE, id 8
   input        LiteON HP Basic USB Keyboard KEYBOARD, id 9
   input        HP WMI hotkeys       KEYBOARD, id 10
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   
  xserver.version: 2:1.14.5-1ubuntu2~saucy1

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