apport information ** Tags added: apport-collected utopic
** Description changed: After upgrading to Ubuntu 14.10 brightness control no longer works on Lenovo Thinkpad X220. Fn+Home/Fn+End doesn't work, the only way is to echo value to: /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/intel_backlight/brightness I use Awesome WM, but it doesn't seem to be related to Awesome. + --- + ApportVersion: 2.14.7-0ubuntu8 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/pcmC0D0p: narel 3706 F...m pulseaudio + /dev/snd/controlC0: narel 3706 F.... pulseaudio + DistroRelease: Ubuntu 14.10 + EcryptfsInUse: Yes + HibernationDevice: RESUME=UUID=0f22933e-6234-43cf-8687-1245585a3025 + InstallationDate: Installed on 2014-01-03 (318 days ago) + InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) + MachineType: LENOVO 4290PB8 + Package: linux (not installed) + ProcFB: 0 inteldrmfb + ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-24-generic root=/dev/mapper/ubuntu--vg-root ro acpi_backlight=vendor quiet splash vt.handoff=7 + ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4 + RelatedPackageVersions: + linux-restricted-modules-3.16.0-24-generic N/A + linux-backports-modules-3.16.0-24-generic N/A + linux-firmware 1.138 + Tags: utopic + Uname: Linux 3.16.0-24-generic x86_64 + UpgradeStatus: Upgraded to utopic on 2014-11-07 (10 days ago) + UserGroups: adm audio cdrom dialout dip libvirtd lpadmin plugdev pulse pulse-access remote sambashare sudo + _MarkForUpload: True + dmi.bios.date: 07/19/2012 + dmi.bios.vendor: LENOVO + dmi.bios.version: 8DET63WW (1.33 ) + dmi.board.asset.tag: Not Available + dmi.board.name: 4290PB8 + 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:bvr8DET63WW(1.33):bd07/19/2012:svnLENOVO:pn4290PB8:pvrThinkPadX220:rvnLENOVO:rn4290PB8:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: + dmi.product.name: 4290PB8 + dmi.product.version: ThinkPad X220 + dmi.sys.vendor: LENOVO ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1391153/+attachment/4262930/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1391153 Title: Thnikpad X220 - brightness control doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1391153/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
