** Description changed: After an upgrade to Ubuntu 10.10 the previously natively-supported Fn key control of backlight brightness is gone. I can control backlight with xbacklight, as before. Models of notebook affected include Sony Vaio SZ4 and SZ6. Git bisect locates the bug to commit bcbfc24ead6935714a001ab6f1f725763075f98c in Maverick's kernel branch http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-maverick.git;a=summary + + This bug has been fixed in Linus' mainline, commit + de391d12500ede13faa7ecadbe900a8de1f76cfa ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: acpi-support 0.137 ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4 Uname: Linux 2.6.35-22-generic x86_64 Architecture: amd64 Date: Mon Oct 11 11:21:39 2010 InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100412) ProcEnviron: LANG=en_GB.utf8 SHELL=/bin/bash SourcePackage: acpi-support --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mdoube 1739 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xfc500000 irq 48' Mixer name : 'SigmaTel STAC9872AK' Components : 'HDA:83847662,104d1e00,00100201 HDA:14f12c06,104d1700,00100000' Controls : 11 Simple ctrls : 7 DistroRelease: Ubuntu 10.10 HibernationDevice: RESUME=UUID=a017c7e4-4a29-4ba1-bfea-52cd609781d8 InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100412) MachineType: Sony Corporation VGN-SZ650N Package: linux (not installed) PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=31cf7381-5708-4104-8d9e-a2eaaec7cbe7 ro quiet splash ProcEnviron: PATH=(custom, no user) LANG=en_GB.utf8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4 Regression: Yes RelatedPackageVersions: linux-firmware 1.38 Reproducible: Yes RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no Tags: maverick kernel-graphics regression-release needs-upstream-testing Uname: Linux 2.6.35-22-generic x86_64 UserGroups: dmi.bios.date: 04/04/2008 dmi.bios.vendor: Phoenix Technologies LTD dmi.bios.version: R0122S5 dmi.board.asset.tag: N/A dmi.board.name: VAIO dmi.board.vendor: Sony Corporation dmi.board.version: N/A dmi.chassis.type: 10 dmi.chassis.vendor: Sony Corporation dmi.chassis.version: N/A dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrR0122S5:bd04/04/2008:svnSonyCorporation:pnVGN-SZ650N:pvrJ002UR2M:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A: dmi.product.name: VGN-SZ650N dmi.product.version: J002UR2M dmi.sys.vendor: Sony Corporation --- Architecture: amd64 DistroRelease: Ubuntu 10.10 InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100412) Package: linux (not installed) ProcEnviron: PATH=(custom, no user) LANG=en_GB.utf8 SHELL=/bin/bash Tags: maverick Uname: Linux 2.6.36-rc7-linusgit-1.0+ x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UserGroups:
-- Fn key control of backlight broken after upgrade to 10.10 https://bugs.launchpad.net/bugs/658198 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
