Jens, could you please provide the full computer model as noted on the sticker?
** Description changed: - Hello, - - see $SUBJECT. By default the screen is very dark and almost unreadable. - The Fn+F6/7 hotkeys show the brightness applet but don't change the - brightness. Attached info according to + By default the screen is very dark and almost unreadable. The Fn+F6/7 + hotkeys show the brightness applet but don't change the brightness. + Attached info according to https://wiki.ubuntu.com/Kernel/Debugging/Backlight below. - Adding "acpi_backlight=vendor" as suggested boot parameters fixes this - bug, but this requires manual GRUB configuration (not suitable for non- - experts). - - Regards - Jens + WORKAROUND: acpi_backlight=vendor ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-41-generic-pae 3.2.0-41.66 ProcVersionSignature: Ubuntu 3.2.0-41.66-generic-pae 3.2.42 Uname: Linux 3.2.0-41-generic-pae i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu17.2 Architecture: i386 ArecordDevices: - **** List of CAPTURE Hardware Devices **** - card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of CAPTURE Hardware Devices **** + card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: ubuntu 1655 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: ubuntu 1655 F.... pulseaudio Card0.Amixer.info: - Card hw:0 'PCH'/'HDA Intel PCH at 0xc4820000 irq 50' - Mixer name : 'Intel CougarPoint HDMI' - Components : 'HDA:10ec0269,11790628,00100100 HDA:80862805,11790001,00100000' - Controls : 29 - Simple ctrls : 11 + Card hw:0 'PCH'/'HDA Intel PCH at 0xc4820000 irq 50' + Mixer name : 'Intel CougarPoint HDMI' + Components : 'HDA:10ec0269,11790628,00100100 HDA:80862805,11790001,00100000' + Controls : 29 + Simple ctrls : 11 Date: Thu May 9 12:14:51 2013 HibernationDevice: RESUME=UUID=add8fe24-1f1e-4ca7-a2d6-a0f40c03383f InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) MachineType: TOSHIBA TECRA R850 MarkForUpload: True ProcEnviron: - TERM=xterm - PATH=(custom, no user) - LANG=de_DE.UTF-8 - SHELL=/bin/bash + TERM=xterm + PATH=(custom, no user) + LANG=de_DE.UTF-8 + SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-41-generic-pae root=UUID=ffc754ea-32ed-4ae7-b471-bca82bd54afb ro elevator=deadline quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.2.0-41-generic-pae N/A - linux-backports-modules-3.2.0-41-generic-pae N/A - linux-firmware 1.79.4 + linux-restricted-modules-3.2.0-41-generic-pae N/A + linux-backports-modules-3.2.0-41-generic-pae N/A + linux-firmware 1.79.4 SourcePackage: linux StagingDrivers: mei UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/25/2011 dmi.bios.vendor: TOSHIBA dmi.bios.version: Version 3.10 dmi.board.asset.tag: 0000000000 dmi.board.name: Portable PC dmi.board.vendor: TOSHIBA dmi.board.version: Version A0 dmi.chassis.asset.tag: 0000000000 dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: Version 1.0 dmi.modalias: dmi:bvnTOSHIBA:bvrVersion3.10:bd08/25/2011:svnTOSHIBA:pnTECRAR850:pvrPT525E-043021GH:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0: dmi.product.name: TECRA R850 dmi.product.version: PT525E-043021GH dmi.sys.vendor: TOSHIBA ** Tags removed: backlight kernel-bug-exists-upstream notebook toshiba ** Tags added: kernel-bug-exists-upstream-v3.9 needs-full-computer-model needs-upstream-testing ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1178205 Title: Screen brightness not changable via applet or hotkeys in Ubuntu 12.04 on Toshiba R850 notebook To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1178205/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
