Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-power-manager (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/976083
Title:
Screen brightness settings
Status in “gnome-power-manager” package in Ubuntu:
Confirmed
Bug description:
The screen brightness-change hotkeys on my laptop's keyboard don't
work properly on Ubuntu. Although the system registers input from
these hotkeys, and the brightness scale changes, this had no effect
whatsoever on my screen's brightness. I suspect it could be a graphics
driver incompatibility problem.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.0-0ubuntu4
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,decor,snap,imgpng,compiztoolbox,unitymtgrabhandles,grid,place,vpswitch,mousepoll,session,resize,regex,move,gnomecompat,wall,animation,expo,workarounds,fade,ezoom,scale,unityshell]
CompositorRunning: compiz
Date: Sat Apr 7 18:12:14 2012
DistUpgraded: 2012-04-07 15:53:30,718 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, if not too technical
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: SAMSUNG ELECTRONICS CO., LTD. RV410/RV510/S3510/E3510
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-22-generic
root=UUID=dd5fd77e-e065-4d8f-9fd7-39a3d1258708 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to precise on 2012-04-07 (0 days ago)
dmi.bios.date: 09/16/2010
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 02UC.P026.20100916.LX
dmi.board.name: RV410/RV510/S3510/E3510
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.:bvr02UC.P026.20100916.LX:bd09/16/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnRV410/RV510/S3510/E3510:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnRV410/RV510/S3510/E3510:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: RV410/RV510/S3510/E3510
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
version.compiz: compiz 1:0.9.7.4-0ubuntu3
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.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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