Public bug reported: Backlight control stopped working after upgrade from Vivid to Wily.
Macbook Pro 11,3 with nouveau. /sys/class/backlight/gmux_backlight$ grep . * actual_brightness:16777215 bl_power:0 brightness:400 grep: device: Is a directory max_brightness:-1 grep: power: Is a directory grep: subsystem: Is a directory type:platform See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1115555 ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: linux-image-4.2.0-16-generic 4.2.0-16.19 ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3 Uname: Linux 4.2.0-16-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.19.1-0ubuntu4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: gaele 2525 F.... pulseaudio /dev/snd/controlC0: gaele 2525 F.... pulseaudio CurrentDesktop: Unity Date: Tue Nov 3 13:44:25 2015 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=716bc023-ef4e-436e-8e5b-5a1f548faef8 InstallationDate: Installed on 2015-04-26 (190 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: Apple Inc. MacBookPro11,3 ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic.efi.signed root=UUID=38c8fe6d-3763-4619-a710-f65494173fe4 ro quiet splash libata.force=noncq vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.2.0-16-generic N/A linux-backports-modules-4.2.0-16-generic N/A linux-firmware 1.149 SourcePackage: linux UpgradeStatus: Upgraded to wily on 2015-10-22 (11 days ago) dmi.bios.date: 06/05/2015 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP112.88Z.0138.B15.1506050548 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-2BD1B31983FE1663 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro11,3 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-2BD1B31983FE1663 dmi.modalias: dmi:bvnAppleInc.:bvrMBP112.88Z.0138.B15.1506050548:bd06/05/2015:svnAppleInc.:pnMacBookPro11,3:pvr1.0:rvnAppleInc.:rnMac-2BD1B31983FE1663:rvrMacBookPro11,3:cvnAppleInc.:ct10:cvrMac-2BD1B31983FE1663: dmi.product.name: MacBookPro11,3 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug wily -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1512691 Title: [Macbook Pro] 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/1512691/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
