Same here with the lenovo b570. I have not found a workaround


On Sat, Nov 2, 2013 at 2:39 AM, micred <email address hidden> wrote:

> Same here (Lenovo B570). Any workaround known?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1232952
>
> Title:
>   Brightness controls do not change brightness
>
> Status in “udev” package in Ubuntu:
>   Confirmed
>
> Bug description:
>   When using the brigtness controls i cannot change brightness
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 13.10
>   Package: xorg 1:7.7+1ubuntu5
>   ProcVersionSignature: Ubuntu 3.11.0-9.16-generic 3.11.2
>   Uname: Linux 3.11.0-9-generic x86_64
>   .tmp.unity.support.test.0:
>
>   ApportVersion: 2.12.5-0ubuntu1
>   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
>   Date: Sun Sep 29 19:24:44 2013
>   DistUpgraded: Fresh install
>   DistroCodename: saucy
>   DistroVariant: ubuntu
>   ExtraDebuggingInterest: Yes, if not too technical
>   GraphicsCard:
>    Intel Corporation 2nd Generation Core Processor Family Integrated
> Graphics Controller [8086:0106] (rev 09) (prog-if 00 [VGA controller])
>      Subsystem: Lenovo Device [17aa:3975]
>   InstallationDate: Installed on 2013-09-28 (1 days ago)
>   InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64
> (20130925.1)
>   MachineType: LENOVO 1068BAU
>   MarkForUpload: True
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-9-generic.efi.signed
> root=UUID=b3739aad-4814-4571-a223-2d43fd22dd1e ro quiet splash vt.handoff=7
>   SourcePackage: xorg
>   Symptom: display
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 10/27/2011
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: 44CN43WW
>   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:bvr44CN43WW:bd10/27/2011:svnLENOVO:pn1068BAU:pvrLenovoB570:rvnLENOVO:rnEmeraldLake:rvrFAB1:cvnLENOVO:ct10:cvr0.1:
>   dmi.product.name: 1068BAU
>   dmi.product.version: Lenovo B570
>   dmi.sys.vendor: LENOVO
>   version.compiz: compiz 1:0.9.10+13.10.20130927.1-0ubuntu1
>   version.ia32-libs: ia32-libs N/A
>   version.libdrm2: libdrm2 2.4.46-1
>   version.libgl1-mesa-dri: libgl1-mesa-dri 9.2-1ubuntu2
>   version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>   version.libgl1-mesa-glx: libgl1-mesa-glx 9.2-1ubuntu2
>   version.xserver-xorg-core: xserver-xorg-core 2:1.14.2.901-2ubuntu6
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
> 1:2.7.3-0ubuntu3.1
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu9
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.21.14-4ubuntu4
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:1.0.9-2ubuntu1
>   xserver.bootTime: Sun Sep 29 19:03:54 2013
>   xserver.configfile: default
>   xserver.errors:
>
>   xserver.logfile: /var/log/Xorg.0.log
>   xserver.outputs:
>    product id                                 826
>    vendor                                     LGD
>   xserver.version: 2:1.14.2.901-2ubuntu6
>
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>



-- 
Thanks,
Jack