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[Launchpad Bug Tracker <1416186@xxxxxxxxxxxxxxxxxx>]

[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]

** Changed in: xorg (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1416186

Title:
  Periodically loss of backlight control

Status in xorg package in Ubuntu:
  Expired

Bug description:
  Periodically there is a loss of control of the backlight control where
  trying to brighten the screen or dim it with the keyboard controls
  does not function and remains in its current state.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: xorg 1:7.7+7ubuntu2
  ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
  Uname: Linux 3.16.0-29-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.14.7-0ubuntu8.1
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Thu Jan 29 21:05:25 2015
  DistUpgraded: Fresh install
  DistroCodename: utopic
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Richland [Radeon HD 8650G] [1002:990b] (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:198a]
   Advanced Micro Devices, Inc. [AMD/ATI] Mars [Radeon HD 8670A/8670M/8750M] [1002:6600] (rev ff) (prog-if ff)
  InstallationDate: Installed on 2015-01-29 (0 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20141015)
  MachineType: Hewlett-Packard HP ENVY TS 15 Notebook PC
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-29-generic.efi.signed root=UUID=1cc26cb0-3476-4abf-a12e-acac53ba8537 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/06/2014
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.18
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 198A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 03.14
  dmi.chassis.asset.tag: 5CG32129MN
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.18:bd11/06/2014:svnHewlett-Packard:pnHPENVYTS15NotebookPC:pvr0888100000305B00000320000:rvnHewlett-Packard:rn198A:rvrKBCVersion03.14:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP ENVY TS 15 Notebook PC
  dmi.product.version: 0888100000305B00000320000
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.2-0ubuntu0.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.2-0ubuntu0.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
  xserver.bootTime: Thu Jan 29 20:59:15 2015
  xserver.configfile: default
  xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.16.0-1ubuntu1.2
  xserver.video_driver: radeon

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