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[Launchpad Bug Tracker <1207487@xxxxxxxxxxxxxxxxxx>]

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I am unable to change the brigthness of the screen, the controls work
properly but changing the brightness level has no impact on the screen
brightness. It feels like the old intel brightness regression bug. The
brightness is always at the full level.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: xorg 1:7.7+1ubuntu5
ProcVersionSignature: Ubuntu 3.10.0-5.15-generic 3.10.2
Uname: Linux 3.10.0-5-generic x86_64
ApportVersion: 2.11-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Fri Aug  2 00:35:28 2013
DistUpgraded: Fresh install
DistroCodename: saucy
DistroVariant: ubuntu
DkmsStatus:
 bbswitch, 0.7, 3.10.0-3-generic, x86_64: installed
 bbswitch, 0.7, 3.10.0-4-generic, x86_64: installed
 bbswitch, 0.7, 3.10.0-5-generic, x86_64: installed
 nvidia-304, 304.88, 3.10.0-4-generic, x86_64: installed
 nvidia-304, 304.88, 3.10.0-5-generic, x86_64: installed
DpkgLog:
 
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:397d]
 NVIDIA Corporation GF108M [GeForce GT 520M] [10de:0df7] (rev ff) (prog-if ff)
InstallationDate: Installed on 2013-06-02 (60 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Alpha amd64 (20130601)
MachineType: LENOVO HuronRiver Platform
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.10.0-5-generic root=UUID=f80879ea-b397-4778-bb59-f9fb5c8fa4ce ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/21/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 45CN38WW
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Emerald Lake
dmi.board.vendor: LENOVO
dmi.board.version: FAB1
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnLENOVO:bvr45CN38WW:bd10/21/2011:svnLENOVO:pnHuronRiverPlatform:pvrIdeapadZ570:rvnLENOVO:rnEmeraldLake:rvrFAB1:cvnLENOVO:ct10:cvr0.1:
dmi.product.name: HuronRiver Platform
dmi.product.version: Ideapad Z570
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.45-2ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.4-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.4-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.14.2-0ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.9-0ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.8-0ubuntu1.1
xserver.bootTime: Thu Aug  1 22:15:43 2013
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.14.2-0ubuntu1
xserver.video_driver: intel

** Affects: linux (Ubuntu)
     Importance: Low
         Status: Incomplete


** Tags: amd64 apport-bug saucy ubuntu
-- 
Brightness Controls work but brightness doesnt change
https://bugs.launchpad.net/bugs/1207487
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