it may be worth asking the x-server team if they have received the proposed fix and what their attitude of implementing it is so that it lands with the kernel team. I've never had communication with the x-server team, but have found the kernel team to be absolute stars of the first magnitude in helping explain how to get a patch in.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1244645 Title: 8086:0106 [Lenovo B570] Brightness is at 100 percent and will not change Status in “linux” package in Ubuntu: Confirmed Bug description: I have seen this issue before as it was in the 13.10 betas. When I try any setting and method to change the brigtness it fails and remains at 100%. PLease feel free to contact me to get more information WORKAROUND: Create /usr/share/X11/xorg.conf.d/20-intel.conf with the following text: Section "Device" Identifier "card0" Driver "intel" Option "Backlight" "intel_backlight" BusID "PCI:0:2:0" ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xorg 1:7.7+1ubuntu6 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 NonfreeKernelModules: wl .tmp.unity.support.test.0: ApportVersion: 2.12.6-0ubuntu1 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 CurrentDmesg: [ 22.303888] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 22.304339] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 54.899779] ISO 9660 Extensions: Microsoft Joliet Level 3 [ 54.952839] ISO 9660 Extensions: RRIP_1991A Date: Fri Oct 25 07:36:52 2013 DistUpgraded: Fresh install DistroCodename: trusty DistroVariant: ubuntu DkmsStatus: bcmwl, 6.30.223.141+bdcom, 3.11.0-12-generic, x86_64: installed ExtraDebuggingInterest: Yes 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 2013-10-25 (0 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20131021.1) MachineType: LENOVO 1068BAU MarkForUpload: True ProcEnviron: LANGUAGE=en_US TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic.efi.signed root=UUID=96b54589-c267-4291-b79c-3ff62dddb522 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+13.10.20131011-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.46-3ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.2-1ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.2-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1 xserver.bootTime: Fri Oct 25 07:34:51 2013 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 826 vendor LGD xserver.version: 2:1.14.3-3ubuntu3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1244645/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
