I've got an Asus G75VW laptop with an nVidia GTX660M video card.
After some tweaking of the xorg.conf file to include "Option "registryDwords" "EnableBrightnessControl=1"", I am able to use the Fn+F5 and Fn+F6 brightness control keys (and the brightness slider inside System Settings > Brightness and Lock), but ONLY after first going into suspend, and coming back out again.
The expected behavior should be brightness control working directly after a reboot, not rebooting and going into suspend first.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: nvidia-experimental-310 (not installed)
ProcVersionSignature: Ubuntu 3.8.0-7.15-generic 3.8.0
Uname: Linux 3.8.0-7-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 313.18 Wed Jan 9 17:02:09 PST 2013
GCC version: gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-21ubuntu3)
.proc.driver.nvidia.warnings.fbdev:
Your system is not currently configured to drive a VGA console
on the primary VGA device. The NVIDIA Linux graphics driver
requires the use of a text-mode VGA console. Use of other console
drivers including, but not limited to, vesafb, may result in
corruption and stability problems, and is not supported.
.tmp.unity.support.test.0:
ApportVersion: 2.8-0ubuntu4
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: Mon Feb 25 06:51:23 2013
DistUpgraded: Fresh install
DistroCodename: raring
DistroVariant: ubuntu
DkmsStatus: nvidia-313, 313.18, 3.8.0-7-generic, x86_64: installed
GraphicsCard:
NVIDIA Corporation Device [10de:0fd4] (rev a1) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:2115]
MachineType: ASUSTeK COMPUTER INC. G75VW
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-7-generic root=UUID=e3421aae-fa91-41b0-a0fa-0b8291f791d1 ro elevator=noop quiet splash vt.handoff=7
SourcePackage: nvidia-graphics-drivers-experimental-310
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/07/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: G75VW.223
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: G75VW
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrG75VW.223:bd01/07/2013:svnASUSTeKCOMPUTERINC.:pnG75VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG75VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: G75VW
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz 1:0.9.9~daily13.02.19-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.42+git20130211.20c5607b-0ubuntu0sarvatt
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.0~git20130216.dd599188-0ubuntu0sarvatt
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.0~git20130216.dd599188-0ubuntu0sarvatt
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.13.2-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.99+git20130211.343b01c9-0ubuntu0sarvatt2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.3-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.6+git20130107.8f934fad-0ubuntu0sarvatt
xserver.bootTime: Mon Feb 25 06:40:34 2013
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.13.2-0ubuntu2
Status changed to 'Confirmed' because the bug affects multiple users.