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[Bug 846566] Re: Flickering screen

 

*** This bug is a duplicate of bug 810093 ***
    https://bugs.launchpad.net/bugs/810093

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 810093, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.

** Description changed:

- The problem with the kernel or drivers for Intel Mobile 945GM/GMS/GME.
+ The problem with the kernel or drivers for Intel Mobile 945GM/GMS/GME on Samsung N128.
  When changing screen brightness, it starts blinking
  
  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: xorg 1:7.6+4ubuntu3.1
  ProcVersionSignature: Ubuntu 2.6.38-11.49-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic i686
  Architecture: i386
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
  CompositorRunning: compiz
  Date: Sun Sep 11 00:40:59 2011
  DistUpgraded: Fresh install
  DistroCodename: natty
  DistroVariant: ubuntu
  GraphicsCard:
   Intel Corporation Mobile 945GME Express Integrated Graphics Controller [8086:27ae] (rev 03) (prog-if 00 [VGA controller])
     Subsystem: Samsung Electronics Co Ltd Device [144d:c05d]
     Subsystem: Samsung Electronics Co Ltd Device [144d:c05d]
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. N128
  ProcEnviron:
   LANGUAGE=ru_RU:en
   LANG=ru_RU.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-11-generic root=UUID=53ff6ac5-eb6f-4a58-97e7-6d1c5376959d ro quiet splash vt.handoff=7
  Renderer: Unknown
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/11/2010
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: 06IG.M022.20100111.JIP
  dmi.board.name: N128
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr06IG.M022.20100111.JIP:bd01/11/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnN128:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnN128:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
  dmi.product.name: N128
  dmi.product.version: Not Applicable
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
  version.compiz: compiz 1:0.9.4+bzr20110606-0ubuntu1~natty2
  version.libdrm2: libdrm2 2.4.23-1ubuntu6
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2.1
  version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3.1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

** This bug has been marked a duplicate of bug 810093
   The new (2.6.39+) samsung_laptop kernel module causes serious backlight flickering - makes the desktop unusable

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https://bugs.launchpad.net/bugs/846566

Title:
  Flickering screen

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References