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[Launchpad Bug Tracker <874361@xxxxxxxxxxxxxxxxxx>]

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A Samsung X125 subnotebook. Upgraded from Natty last night. First noticed this when pulling the AC power, brightness is reduced, as usual, but the brightness setting slides up and down like crazy. 
After a while I also see this when adjusting brightness with the Fn + arrow keys.
My "solution" has been to force it all the way down or up, depending on my needs, by using the Fn + arrow keys. There is no specific amount of keypresses that finally makes the flickering stop and brightness to settle on either max or min brightness.
Have never experienced this bug before, so I'm assuming this is a regression.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
NonfreeKernelModules: fglrx wl
.tmp.unity.support.test.0:
 
ApportVersion: 1.23-0ubuntu3
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,mousepoll,imgpng,place,snap,regex,session,vpswitch,gnomecompat,grid,move,resize,unitymtgrabhandles,wall,animation,fade,workarounds,expo,scale,ezoom,unityshell]
CompositorRunning: compiz
Date: Fri Oct 14 17:41:07 2011
DistUpgraded: Log time: 2011-10-13 21:54:19.706331
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 3.0.0-12-generic, i686: installed
 fglrx, 8.881, 3.0.0-12-generic, i686: installed
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
 ATI Technologies Inc M880G [Mobility Radeon HD 4200] [1002:9712] (prog-if 00 [VGA controller])
   Subsystem: Samsung Electronics Co Ltd Device [144d:c566]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
JockeyStatus:
 xorg:fglrx_updates - ATI/AMD proprietary FGLRX graphics driver (post-release updates) (Proprietary, Disabled, Not in use)
 kmod:wl - Broadcom STA wireless driver (Proprietary, Enabled, In use) [auto-install]
 xorg:fglrx - ATI/AMD proprietary FGLRX graphics driver (Proprietary, Enabled, In use)
MachineType: SAMSUNG ELECTRONICS CO., LTD. X125
ProcEnviron:
 LANGUAGE=en
 PATH=(custom, no user)
 LANG=nb_NO.UTF-8
 LC_MESSAGES=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=42c97010-407c-44bc-98dc-c2cf6052d549 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to oneiric on 2011-10-14 (0 days ago)
dmi.bios.date: 08/20/2010
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 02UP
dmi.board.name: X125
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.:bvr02UP:bd08/20/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnX125:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnX125:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: X125
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu3
version.fglrx-installer: fglrx-installer N/A
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.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

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


** Tags: apport-bug compiz-0.9 i386 oneiric running-unity ubuntu
-- 
Oneiric introduces severe flickering when adjusting brightness
https://bugs.launchpad.net/bugs/874361
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