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[Launchpad Bug Tracker <1268211@xxxxxxxxxxxxxxxxxx>]

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

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

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https://bugs.launchpad.net/bugs/1268211

Title:
  Black screen after logging in, after installing Nvidia-CUDA

Status in “unity” package in Ubuntu:
  Confirmed

Bug description:
  After installing Nvidia-CUDA* packages, Unity breaks. There's only
  black screen after logging in, even when I remove the Nvidia-CUDA
  packages. please advise.

  sudo dpkg-reconfigure xorg doesn't help at all either.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: unity 7.1.2+13.10.20131014.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10
  Uname: Linux 3.11.0-15-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  304.88  Wed Mar 27 14:26:46 PDT 2013
   GCC version:  gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu9)
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  Date: Sat Jan 11 13:58:28 2014
  DistUpgraded: Fresh install
  DistroCodename: saucy
  DistroVariant: ubuntu
  DkmsStatus: nvidia-304, 304.88, 3.11.0-15-generic, x86_64: installed
  EcryptfsInUse: Yes
  GraphicsCard:
   Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:054e]
     Subsystem: Dell GeForce GT 630M [1028:054e]
  InstallationDate: Installed on 2013-11-23 (49 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: Dell Inc. XPS L521X
  MarkForUpload: True
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic.efi.signed root=UUID=8e997c12-0ee0-422b-a7e4-a7cb0a74f38f ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/22/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A14
  dmi.board.name: 0C5Y96
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A14
  dmi.modalias: dmi:bvnDellInc.:bvrA14:bd05/22/2013:svnDellInc.:pnXPSL521X:pvrA14:rvnDellInc.:rn0C5Y96:rvrA00:cvnDellInc.:ct8:cvrA14:
  dmi.product.name: XPS L521X
  dmi.product.version: A14
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  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
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
  xserver.bootTime: Sat Jan 11 13:50:26 2014
  xserver.configfile: default
  xserver.errors: Failed to initialize GLX extension (Compatible NVIDIA X driver not found)
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                4333 
   vendor                                     AUO
  xserver.version: 2:1.14.5-1ubuntu2~saucy1

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