** Tags added: bios-outdated-2.30 ** Description changed:
- Backlight control doesn't work in Ubuntu 14.04 on a Lenovo Thinkpad T61. - Neither using hotkeys nor the brightness applet. + With nvidia driver, backlight control doesn't work in Ubuntu 14.04 via + hotkeys or brightness applet. + + WORKAROUND: Use nouveau. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-19-generic 3.13.0-19.40 [modified: boot/vmlinuz-3.13.0-19-generic] ProcVersionSignature: Ubuntu 3.13.0-19.40-generic 3.13.6 Uname: Linux 3.13.0-19-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.13.3-0ubuntu1 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: tommi 1964 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: tommi 1964 F.... pulseaudio CurrentDesktop: Unity Date: Wed Apr 2 22:53:56 2014 HibernationDevice: RESUME=UUID=3e4b62ed-a926-47a3-ae19-44b96d1376ee InstallationDate: Installed on 2014-03-30 (3 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326) MachineType: LENOVO 645745G PccardctlIdent: - Socket 0: - no product info available + Socket 0: + no product info available PccardctlStatus: - Socket 0: - no card + Socket 0: + no card ProcFB: - + ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-19-generic root=UUID=01d49c75-94f4-417c-beae-d16fd8b8df83 ro quiet splash RelatedPackageVersions: - linux-restricted-modules-3.13.0-19-generic N/A - linux-backports-modules-3.13.0-19-generic N/A - linux-firmware 1.126 + linux-restricted-modules-3.13.0-19-generic N/A + linux-backports-modules-3.13.0-19-generic N/A + linux-firmware 1.126 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/06/2007 dmi.bios.vendor: LENOVO dmi.bios.version: 7LETA7WW (2.07 ) dmi.board.name: 645745G 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:bvr7LETA7WW(2.07):bd12/06/2007:svnLENOVO:pn645745G:pvrThinkPadT61:rvnLENOVO:rn645745G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 645745G dmi.product.version: ThinkPad T61 dmi.sys.vendor: LENOVO ** Summary changed: - Backlight control does not work, but there are entries in /sys/class/backlight + 10de:0429 [Lenovo ThinkPad T61] Backlight control does not work, but there are entries in /sys/class/backlight ** Changed in: linux (Ubuntu) Importance: Medium => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1301580 Title: 10de:0429 [Lenovo ThinkPad T61] Backlight control does not work, but there are entries in /sys/class/backlight To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1301580/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
