Brightness control using Fn + F8/F9 has regressed from the 3.8 kernel used in 13.04.
Expected:
9 levels of brightness adjustment using Function Keys
Experienced:
5 levels of brightness adjustment with blank levels with "blank" levels where a key press results in no brightness change even though indicator showed change.
Regression proved by reverting to 3.8 kernel resulting in expected behaviour.
Software:
13.10 i386 beta (Upgraded from 13.04)
Hardware:
Lenovo Thinkpad X230
---
.tmp.unity.support.test.0:
ApportVersion: 2.12.1-0ubuntu4
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,imgpng,move,grid,resize,unitymtgrabhandles,vpswitch,regex,mousepoll,place,gnomecompat,snap,animation,expo,wall,ezoom,session,fade,scale,workarounds,unityshell]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
DistUpgraded: 2013-09-15 23:42:20,315 DEBUG enabling apt cron job
DistroCodename: saucy
DistroRelease: Ubuntu 13.10
DistroVariant: ubuntu
DkmsStatus:
vboxhost, 4.2.12, 3.11.0-7-generic, i686: installed
vboxhost, 4.2.12, 3.8.0-29-generic, i686: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21fa]
InstallationDate: Installed on 2012-03-20 (544 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
MachineType: LENOVO 2325AEG
MarkForUpload: True
Package: xorg-server (not installed)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-7-generic root=UUID=7b7b41ce-ce89-42c9-b8fd-406c62bb040e ro quiet splash pcie_aspm=force i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 i915.semaphores=1 drm.vblankoffdelay=1 vt.handoff=7
ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0
Tags: saucy ubuntu regression single-occurrence reproducible compiz-0.9
Uname: Linux 3.11.0-7-generic i686
UpgradeStatus: Upgraded to saucy on 2013-09-15 (0 days ago)
UserGroups: adm admin cdrom debian-tor dialout lpadmin plugdev sambashare
dmi.bios.date: 02/22/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: G2ET92WW (2.52 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2325AEG
dmi.board.vendor: LENOVO
dmi.board.version: Win8 Pro DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrG2ET92WW(2.52):bd02/22/2013:svnLENOVO:pn2325AEG:pvrThinkPadX230:rvnLENOVO:rn2325AEG:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2325AEG
dmi.product.version: ThinkPad X230
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.10+13.10.20130828.2-0ubuntu1
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental 9.2-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.14.2.901-2ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu6
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.14-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
xserver.bootTime: Mon Sep 16 19:20:25 2013
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 728
vendor LGD
xserver.version: 2:1.14.2.901-2ubuntu4
apport information