Public bug reported:
After today's (kernel?) update adjusting screen brightness fails. When
setting brighter the OSD appears and the screen starts to flicker. Using
something in the panel stops it.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: notify-osd 0.9.34-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Uname: Linux 3.2.0-27-generic x86_64
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
Date: Tue Jul 24 21:32:14 2012
ExecutablePath: /usr/lib/notify-osd/notify-osd
GtkTheme: Ambiance
IconTheme: ubuntu-mono-dark
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 90X3A
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-27-generic
root=UUID=a76c3a02-6252-4b8e-ab85-2697d84cf4ba ro pcie_aspm=force
i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1
i915.powersave=1 snd_hda_intel.power_save_controller=1
snd_hda_intel.power_save=1 quiet splash vt.handoff=7
RelatedPackageVersions:
xserver-xorg 1:7.6+12ubuntu1
libgl1-mesa-glx 8.0.2-0ubuntu3.1
libdrm2 2.4.32-1ubuntu1
xserver-xorg-video-intel 2:2.17.0-1ubuntu4
xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
SourcePackage: notify-osd
UpgradeStatus: No upgrade log present (probably fresh install)
WindowManager: No value set for
`/desktop/gnome/session/required_components/windowmanager'
dmi.bios.date: 05/20/2011
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 05HL
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 90X3A
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvr05HL:bd05/20/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pn90X3A:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn90X3A:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 90X3A
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
** Affects: notify-osd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1028600
Title:
Unable to adjust screen brightness/flickering display
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