I to have this bug, I have tried several fixes published about ACPI kernel settings, none seem to work.
Did anyone try the latest Kernel yet? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1214752 Title: Lenovo Ideapad S205] Brightness keys do not change brightness after the last update Status in “linux” package in Ubuntu: Incomplete Bug description: Using either the increase or decrease brightness key results in osd- message showing the slider value going up or down. However, the actual brightness of the screen stays the same. It worked before this update^ Start-Date: 2013-08-21 09:24:10 Commandline: aptdaemon role='role-commit-packages' sender=':1.31' Install: linux-headers-3.2.0-52-generic:i386 (3.2.0-52.78), linux-image-3.2.0-52-generic:i386 (3.2.0-52.78), linux-headers-3.2.0-52:i386 (3.2.0-52.78) Upgrade: base-files:i386 (6.5ubuntu6.5, 6.5ubuntu6.6), fglrx-updates:i386 (9.000-0ubuntu0.3, 12.104-0ubuntu0.0.1), linux-headers-generic:i386 (3.2.0.51.61, 3.2.0.52.62), fglrx-amdcccle-updates:i386 (9.000-0ubuntu0.3, 12.104-0ubuntu0.0.1), linux-image-generic:i386 (3.2.0.51.61, 3.2.0.52.62), dosfstools:i386 (3.0.12-1ubuntu1, 3.0.12-1ubuntu1.1), linux-libc-dev:i386 (3.2.0-51.77, 3.2.0-52.78), jockey-common:i386 (0.9.7-0ubuntu7.9, 0.9.7-0ubuntu7.10), jockey-gtk:i386 (0.9.7-0ubuntu7.9, 0.9.7-0ubuntu7.10), linux-generic:i386 (3.2.0.51.61, 3.2.0.52.62) ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-52-generic 3.2.0-52.78 ProcVersionSignature: Ubuntu 3.2.0-52.78-generic 3.2.48 Uname: Linux 3.2.0-52-generic i686 NonfreeKernelModules: fglrx .etc.asound.conf: defaults.ctl.card 1 defaults.pcm.card 1 defaults.timer.card 1 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu17.4 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 1: SB [HDA ATI SB], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: andrew 1628 f.... lxpanel Card0.Amixer.info: Card hw:0 'Generic'/'HD-Audio Generic at 0x90244000 irq 43' Mixer name : 'ATI R6xx HDMI' Components : 'HDA:1002aa01,00aa0100,00100200' Controls : 6 Simple ctrls : 1 Card0.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [off] Card1.Amixer.info: Card hw:1 'SB'/'HDA ATI SB at 0x90240000 irq 16' Mixer name : 'Conexant CX20590' Components : 'HDA:14f1506e,17aa6005,00100003' Controls : 9 Simple ctrls : 6 Date: Wed Aug 21 10:23:24 2013 HibernationDevice: RESUME=UUID=61f0b28a-c480-44b1-986c-b4ef7beacbe8 InstallationMedia: Lubuntu 12.04 "Precise Pangolin" - Release i386 (20120423) MachineType: LENOVO Brazos MarkForUpload: True ProcEnviron: LANGUAGE=ru_RU:ru TERM=xterm PATH=(custom, no user) LANG=ru_RU.UTF-8 SHELL=/bin/bash ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-52-generic root=UUID=ac66b454-53c5-4cbf-a577-ae4ea09be832 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-52-generic N/A linux-backports-modules-3.2.0-52-generic N/A linux-firmware 1.79.6 SourcePackage: linux StagingDrivers: rts5139 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/10/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 4BCN24WW dmi.board.asset.tag: Base Board Asset Tag Unknown dmi.board.name: Inagua dmi.board.vendor: LENOVO dmi.board.version: 109-B78210-00A dmi.chassis.asset.tag: Chassis Asset Tag Unknown dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Chassis Version Unknown dmi.modalias: dmi:bvnLENOVO:bvr4BCN24WW:bd08/10/2011:svnLENOVO:pnBrazos:pvrIdeapadS205:rvnLENOVO:rnInagua:rvr109-B78210-00A:cvnLENOVO:ct10:cvrChassisVersionUnknown: dmi.product.name: Brazos dmi.product.version: Ideapad S205 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1214752/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
