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[Marco Trevisan (Treviño) <mail@xxxxxxxxx>]

** Changed in: unity (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/864784

Title:
  Enabling second monitor causes crash.

Status in Unity:
  Fix Released
Status in “unity” package in Ubuntu:
  Fix Released
Status in “unity” source package in Oneiric:
  Fix Released

Bug description:
  SRU TEST CASE:
  1. start nvidia-settings
  2. turn on secondary monitor with twin view
  3. the screen comes up scrambled or unity crashes
  4. now install Unity from oneiric-proposed
  5. see there are not artifacts on the screen.

  =====Original Report=====

  I upgraded to 11.10 and am no longer able to use my external monitor
  with my laptop while using Unity. It was fine with 11.04.

  I have the latest NVIDIA driver installed via jockey.
  I tried both drivers listed, both act the same.

  Repo:
  I use the Nvidia-Settings manager tool to turn on my secondary monitor with twinview. (As usual)
  The screens come up but the graphics are scrambled up. If i'm lucky Unity will crash and I'll be left with a blank screen with just my wallpaper left.

  Unity 2d works as expected.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: unity 4.20.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-12.19-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: 1.23-0ubuntu2
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,mousepoll,gnomecompat,place,imgpng,resize,unitymtgrabhandles,wall,move,grid,snap,regex,vpswitch,session,animation,fade,expo,workarounds,scale,ezoom,unityshell]
  CompositorRunning: None
  Date: Sat Oct  1 13:29:25 2011
  DistUpgraded: Log time: 2011-09-30 12:31:36.704031
  DistroCodename: oneiric
  DistroVariant: ubuntu
  DkmsStatus: nvidia-current-updates, 280.13, 3.0.0-12-generic, x86_64: installed
  EcryptfsInUse: Yes
  GdmLog1: X: /tmp/.X11-unix has suspicious mode (not 1777) or is not a directory, aborting.
  GraphicsCard:
   nVidia Corporation GT218 [NVS 2100M] [10de:0a6a] (rev a2) (prog-if 00 [VGA controller])
     Subsystem: Toshiba America Info Systems Device [1179:0001]
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  JockeyStatus:
   xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
   xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Enabled, In use)
  MachineType: TOSHIBA TECRA A11
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=c9cb3867-8b9d-4110-ac8c-ec11f8014e88 ro quiet splash nomodeset video=uvesafb:mode_option=1600x900-24,mtrr=3,scroll=ywrap vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: Upgraded to oneiric on 2011-09-30 (0 days ago)
  dmi.bios.date: 12/03/2010
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: Version 2.90
  dmi.board.asset.tag: 0000000000
  dmi.board.name: Portable PC
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Version A0
  dmi.chassis.asset.tag: 0000000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: Version 1.0
  dmi.modalias: dmi:bvnTOSHIBA:bvrVersion2.90:bd12/03/2010:svnTOSHIBA:pnTECRAA11:pvrPTSE3U-0N806X:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
  dmi.product.name: TECRA A11
  dmi.product.version: PTSE3U-0N806X
  dmi.sys.vendor: TOSHIBA
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu25
  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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