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[Launchpad Bug Tracker <1072717@xxxxxxxxxxxxxxxxxx>]

[Expired for Unity because there has been no activity for 60 days.]

** Changed in: unity
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1072717

Title:
  Regression: Video corruption on login

Status in Unity:
  Expired
Status in nvidia-graphics-drivers package in Ubuntu:
  Expired
Status in unity package in Ubuntu:
  Expired

Bug description:
  Recent updates to 12.10 have caused a regression of bug 931967. This
  is reproducible on my MacBookPro 3,1 with NVIDIA 8600M graphics.

  To reproduce:
  1) Cold-boot
  2)Enter username and enter password at the greeter (login prompt); press enter to login

  Expected results:
  After entering the password, there should be a transition to the desktop. The transition might include a black screen for a moment.

  Actual results:
  After entering the password, there is full-screen corruption for a second or two until the desktop is drawn. The corruption looks like the system is displaying uninitialized memory.

  See bug 931967 for an example screenshot.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: unity 6.8.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-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  304.43  Sun Aug 19 20:14:03 PDT 2012
   GCC version:  gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-2ubuntu1)
  .proc.driver.nvidia.warnings.fbdev:
   Your system is not currently configured to drive a VGA console
   on the primary VGA device. The NVIDIA Linux graphics driver
   requires the use of a text-mode VGA console. Use of other console
   drivers including, but not limited to, vesafb, may result in
   corruption and stability problems, and is not supported.
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  Date: Mon Oct 29 09:00:26 2012
  DistUpgraded: 2012-08-07 11:19:37,876 DEBUG enabling apt cron job
  DistroCodename: quantal
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia-current, 304.43, 3.5.0-17-generic, x86_64: installed
   virtualbox, 4.1.18, 3.5.0-14-generic, x86_64: installed
   virtualbox, 4.1.18, 3.5.0-15-generic, x86_64: installed
   virtualbox, 4.1.18, 3.5.0-16-generic, x86_64: installed
   virtualbox, 4.1.18, 3.5.0-17-generic, x86_64: installed
  GraphicsCard:
   NVIDIA Corporation G84 [GeForce 8600M GT] [10de:0407] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Apple Inc. Device [106b:00a0]
  InstallationDate: Installed on 2010-09-17 (772 days ago)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100901.1)
  JockeyStatus:
   kmod:nvidia_current_updates - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
   kmod:nvidia_experimental_304 - Experimental NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
   kmod:nvidia_current - nvidia_current (Proprietary, Enabled, Not in use)
   kmod:nvidia_173_updates - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
   kmod:nvidia_173 - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
  MachineType: Apple Inc. MacBookPro3,1
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=4b3d81ed-fb5d-4946-97c0-ec537e1bfa3f ro quiet splash
  SourcePackage: unity
  UpgradeStatus: Upgraded to quantal on 2012-08-07 (82 days ago)
  dmi.bios.date: 03/05/08
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP31.88Z.0070.B07.0803051658
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Mac-F4238BC8
  dmi.board.vendor: Apple Inc.
  dmi.board.version: PVT
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 2
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F4238BC8
  dmi.modalias: dmi:bvnAppleInc.:bvrMBP31.88Z.0070.B07.0803051658:bd03/05/08:svnAppleInc.:pnMacBookPro3,1:pvr1.0:rvnAppleInc.:rnMac-F4238BC8:rvrPVT:cvnAppleInc.:ct2:cvrMac-F4238BC8:
  dmi.product.name: MacBookPro3,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  version.compiz: compiz 1:0.9.8.4-0ubuntu3
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.39-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

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