** Description changed: - This problem only happens when I'm working with two monitors. - If I press the keyboard button "Brightness down", the screen resolution of one of my monitors changes. If I press it again, the laptop's screen turns off. + This problem only happens when I'm working with two monitors (my laptop screen and another screen). + If I press the keyboard key "Brightness down", the screen resolution of one of my monitors changes. If I press it again, the laptop's screen turns off. I can restore my original configuration by going to 'System settings' -> 'Displays' - This problem doesn't happen when pressing "Brightness up" button. + This problem doesn't happen when pressing "Brightness up" key. - If I change the resolution by going to 'System setting' -> 'Brightness & - lock', I don't get any problems. + If I change the brightness by going to 'System setting' -> 'Brightness & + Lock' (instead of using the keyboard keys), I don't get any problems. It seems to happen only when: - * Pressing the keyboard button & - * Decreasing brightness & + * Pressing the keyboard key to decrease brightness & * Having multiple monitors I have tried both nvidia closed source drivers and nouveau open source - drivers, and it happens with both of them. + drivers, and it happens with both of them. It even happens with Ubuntu + Live CD. - I have attached a video showing the problem. + I have attached a video demonstrating the problem. ProblemType: Bug DistroRelease: Ubuntu 13.10 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: nvidia .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 319.32 Wed Jun 19 15:51:20 PDT 2013 GCC version: gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu8) .tmp.unity.support.test.0: ApportVersion: 2.12.5-0ubuntu2.1 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 Date: Thu Oct 31 10:34:39 2013 DistUpgraded: Fresh install DistroCodename: saucy DistroVariant: ubuntu DkmsStatus: nvidia-319, 319.32, 3.11.0-12-generic, x86_64: installed EcryptfsInUse: Yes ExtraDebuggingInterest: Yes GraphicsCard: NVIDIA Corporation GT216M [GeForce GT 320M] [10de:0a2d] (rev a2) (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] Device [1025:036d] InstallationDate: Installed on 2013-10-27 (3 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Packard Bell EasyNote TM85 MarkForUpload: True ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-12-generic root=UUID=392386e0-8d2e-400d-b4bf-4ce5ae57d3a0 ro quiet splash SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/25/2011 dmi.bios.vendor: Packard Bell dmi.bios.version: V1.23 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: EasyNote TM85 dmi.board.vendor: Packard Bell dmi.board.version: V1.23 dmi.chassis.type: 10 dmi.chassis.vendor: Packard Bell dmi.chassis.version: V1.23 dmi.modalias: dmi:bvnPackardBell:bvrV1.23:bd04/25/2011:svnPackardBell:pnEasyNoteTM85:pvrV1.23:rvnPackardBell:rnEasyNoteTM85:rvrV1.23:cvnPackardBell:ct10:cvrV1.23: dmi.product.name: EasyNote TM85 dmi.product.version: V1.23 dmi.sys.vendor: Packard Bell version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.46-1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu3 version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu2 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: Thu Oct 31 10:17:18 2013 xserver.configfile: default xserver.errors: Failed to load /usr/lib/xorg/modules/libglamoregl.so: /usr/lib/xorg/modules/libglamoregl.so: undefined symbol: _glapi_tls_Context Failed to load module "glamoregl" (loader failed, 7) open /dev/fb0: No such file or directory xserver.logfile: /var/log/Xorg.0.log xserver.outputs: xserver.version: 2:1.14.3-3ubuntu2
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1246659 Title: Problem with brightness control on multi-monitor system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1246659/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
