Okay so we have to use the nvidia-304 driver, the legacy one, instead of
the nvidia 331


On Tue, Apr 29, 2014 at 12:52 PM, moritz rehbach <email address hidden>wrote:

> Can also confirm the bug. There seems to be a workaround:
> Brightness controls do work in terminal mode (Ctrl+Alt+F1) and the change
> is kept when in GUI mode (Ctrl+Alt+F7).
> For me, when I use the brightness controls in Gnome, I can see and move
> the (ThinkPad-) control slide but changes are not affecting the brightness,
> same with the slider in Gnome settings.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1280927
>
> Title:
>   Brightness controls do not work on Thinkpad T61
>
> Status in “linux” package in Ubuntu:
>   Confirmed
>
> Bug description:
>   I have the nvidia graphics drivers installed on my laptop and the
>   brightess control doesn't work. I will give more info if asked.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 14.04
>   Package: linux-image-3.13.0-8-generic 3.13.0-8.28 [modified:
> boot/vmlinuz-3.13.0-8-generic]
>   ProcVersionSignature: Ubuntu 3.13.0-8.28-generic 3.13.2
>   Uname: Linux 3.13.0-8-generic x86_64
>   NonfreeKernelModules: nvidia
>   ApportVersion: 2.13.2-0ubuntu4
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  jack       3366 F.... pulseaudio
>   CurrentDesktop: GNOME
>   Date: Sun Feb 16 20:05:42 2014
>   HibernationDevice: RESUME=UUID=dca68f85-f13a-46ac-a6f1-464953ec1f41
>   InstallationDate: Installed on 2014-02-16 (0 days ago)
>   InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64
> (20140216)
>   MachineType: LENOVO 7663Y1C
>   PccardctlIdent:
>    Socket 0:
>      no product info available
>   PccardctlStatus:
>    Socket 0:
>      no card
>   ProcEnviron:
>    TERM=xterm
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcFB:
>
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-8-generic
> root=UUID=8c5abef2-b566-4be2-a234-648e209ce22c ro quiet splash
>   RelatedPackageVersions:
>    linux-restricted-modules-3.13.0-8-generic N/A
>    linux-backports-modules-3.13.0-8-generic  N/A
>    linux-firmware                            1.124
>   RfKill:
>    0: phy0: Wireless LAN
>         Soft blocked: no
>         Hard blocked: no
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 03/18/2011
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: 7LETC9WW (2.29 )
>   dmi.board.name: 7663Y1C
>   dmi.board.vendor: LENOVO
>   dmi.board.version: Not Available
>   dmi.chassis.asset.tag: No Asset Information
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: LENOVO
>   dmi.chassis.version: Not Available
>   dmi.modalias:
> dmi:bvnLENOVO:bvr7LETC9WW(2.29):bd03/18/2011:svnLENOVO:pn7663Y1C:pvrThinkPadT61:rvnLENOVO:rn7663Y1C:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
>   dmi.product.name: 7663Y1C
>   dmi.product.version: ThinkPad T61
>   dmi.sys.vendor: LENOVO
>
> To manage notifications about this bug go to:
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>