[Bug 987949] Re: Ubuntu 12.04 - Severe Graphics Regression on Hybrid System with Integrated Intel HD300 graphics and NVIdia OPTIMUS

[Sebastiaan Franken]

I had the problem on a Toshiba Portege Z830. This unit hasn't got a
NVIDIA card but somehow Ubuntu (during install) installed the 'nvidia-
settings' and 'nvidia-current' pacakges which cause Unity to not have
effects and my screen being blurred.

Removing 'nvidia-settings' and 'nvidia-current' followed by a
reconfigure of Xorg solved the issue.

The following nudged me in the right way to fix it:
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/987949/comments/14

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Title:
  Ubuntu 12.04 - Severe Graphics Regression on Hybrid System with
  Integrated Intel HD300 graphics and NVIdia OPTIMUS

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  I just did a full Install of Ubuntu 12.04 daily-live. Unity defaults
  to Unity-2d, with many issues therein (tearing, etc.)

  It is the first time I fully install 12.04, but I have been regularly
  trying daily-builts from live-usb-stick... Never had issues, if
  anything everything seamed snappier and faster than 11.10.

  I have a hybrid system, and to date I have always been using by
  default the grapbhic drivers for my integrated  i7 graphics card. I
  now see it defaults to the Nouveau drivers, that must be the cause of
  the regression.

  TEMPORARY FIX: Removing packages "nvidia-current" and "nvidia-
  settings" and restarting your system should do the job. Hope this gets
  fixed soon...

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: unity 5.10.0-0ubuntu6
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-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  295.40  Thu Apr  5 21:37:00 PDT 2012
   GCC version:  gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: None
  Date: Tue Apr 24 20:47:24 2012
  DistUpgraded: Fresh install
  DistroCodename: precise
  DistroVariant: ubuntu
  DkmsStatus: nvidia-current, 295.40, 3.2.0-23-generic, x86_64: installed
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04b6]
   NVIDIA Corporation GF108 [GeForce GT 540M] [10de:0df5] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04b6]
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
  MachineType: Dell Inc. Dell System XPS L502X
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=6f4b72aa-8077-4a62-bf02-70130fccc9cc ro quiet splash vt.handoff=7
  SourcePackage: unity
  UnitySupportTest:
   Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code 5: Xlib:  extension "GLX" missing on display ":0.0".
   Error: GLX is not available on the system
  UpgradeStatus: No upgrade log present (probably fresh install)
  XorgConf:
   Section "Device"
    Identifier	"Default Device"
    Option	"NoLogo"	"True"
   EndSection
  dmi.bios.date: 07/20/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0YR8NN
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd07/20/2011:svnDellInc.:pnDellSystemXPSL502X:pvr:rvnDellInc.:rn0YR8NN:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L502X
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.7.6-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.32-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

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