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[Bjoern Wolf <640020@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

machine: MSI Wind U120
System: Ubuntu 10.04 Lucid

Using the Fn keys to decrease/increase screen brightness, the screen begins to flicker, while the screen brightness bar display toggles between two values. This fault occurs erratically, i.e. not always. Sometimes I can't even adjust the brightness at all!
While the screen flickers, the cursor moves uncontinuously, making it hard to do anything. If I'm able to do a right mouseclick on anything that pops up a menu, the flickering stops.
This bug apparently has been reported for older versions of Ubuntu, but is marked as fixed for Lucid. Obviously it's not!

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-24.41-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
Architecture: i386
Date: Wed Sep 15 10:10:57 2010
DkmsStatus: Error: [Errno 2] No such file or directory
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
MachineType: MICRO-STAR INTERNATIONAL CO., LTD MS-N031
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=3d0ff75b-7fb3-428e-a8e5-9f86de6b112c ro quiet splash
ProcEnviron:
 LANG=de_DE.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
dmi.bios.date: 11/19/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.3
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: U-100
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: Ver.001
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.chassis.version: Ver.001
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.3:bd11/19/2008:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-N031:pvrVer.001:rvnMICRO-STARINTERNATIONALCO.,LTD:rnU-100:rvrVer.001:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvrVer.001:
dmi.product.name: MS-N031
dmi.product.version: Ver.001
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO., LTD
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-24-generic

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid ubuntu-une

-- 
Screen flickers, brightness toggles
https://bugs.launchpad.net/bugs/640020
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