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[Launchpad Bug Tracker <873495@xxxxxxxxxxxxxxxxxx>]

[Expired for lightdm (Ubuntu) because there has been no activity for 60
days.]

** Changed in: lightdm (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/873495

Title:
  LightDM fails to start after nvidia-current or nvidia-current-updates
  are installed (upstart job issue)

Status in Light Display Manager:
  Incomplete
Status in lightdm package in Ubuntu:
  Expired
Status in lightdm source package in Precise:
  Incomplete

Bug description:
  Occurs reliably on fast Sandy Bridge hardware with a fast GPU - GTX
  485M, GTX 560M or GTX 580M.

  Appears to be a race condition. LightDM attempts to start before
  /dev/nvidiactrl is created. As a workaround add "sleep 1 && service
  lightdm start" to /etc/rc.local to start the service.

  ### This workaround is insufficient. Some users have reported that
  their systems do not start after initial user setup. Deleting the
  contents of /var/run/dbus/* resolves the issue in these cases. ###

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: xorg 1:7.6+7ubuntu7
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-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 4.6.1-9ubuntu3)
  .tmp.unity.support.test.0:

  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,regex,snap,animation,resize,place,vpswitch,mousepoll,workarounds,gnomecompat,compiztoolbox,move,grid,imgpng,wall,fade,expo,session,unitymtgrabhandles,ezoom,scale,unityshell]
  CompositorRunning: compiz
  Date: Thu Oct 13 11:05:18 2011
  DistUpgraded: Fresh install
  DistroCodename: oneiric
  DistroVariant: ubuntu
  DkmsStatus: nvidia-current, 280.13, 3.0.0-12-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
  GpuHangFrequency: Continuously
  GpuHangReproducibility: Yes, I can easily reproduce it
  GpuHangStarted: Immediately after installing this version of Ubuntu
  GraphicsCard:
   nVidia Corporation Device [10de:0e31] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: CLEVO/KAPOK Computer Device [1558:5102]
  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)
  MachineType: System76, Inc. Serval Professional
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=79434c5f-d3ca-4224-98f2-06e7b36fbe32 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: No upgrade log present (probably fresh install)
  XorgConf:
   Section "Device"
    Identifier	"Default Device"
    Option	"NoLogo"	"True"
   EndSection
  dmi.bios.date: 01/18/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.4
  dmi.board.asset.tag: Not Applicable
  dmi.board.name: Serval Professional
  dmi.board.vendor: System76, Inc.
  dmi.board.version: serp7
  dmi.chassis.asset.tag: Not Applicable
  dmi.chassis.type: 10
  dmi.chassis.vendor: System76, Inc.
  dmi.chassis.version: serp7
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.4:bd01/18/2011:svnSystem76,Inc.:pnServalProfessional:pvrserp7:rvnSystem76,Inc.:rnServalProfessional:rvrserp7:cvnSystem76,Inc.:ct10:cvrserp7:
  dmi.product.name: Serval Professional
  dmi.product.version: serp7
  dmi.sys.vendor: System76, Inc.
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu3
  version.ia32-libs: ia32-libs N/A
  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+7ubuntu7
  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

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