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Message #81666
[Bug 1455002] Re: Thinkpad x200t backlight settings
EricDHH, could you please test the latest upstream kernel available from
the very top line at the top of the page (the release names are
irrelevant for testing, and please do not test the daily folder)
following https://wiki.ubuntu.com/Kernel/MainlineBuilds ? It will allow
additional upstream developers to examine the issue.
If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ
Where XY and Z are numbers corresponding to the kernel version.
If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ
Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.
Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results.
Thank you for your understanding.
** Tags removed: bios-outdated-3.21
** Tags added: latest-bios-3.21
** Changed in: xorg (Ubuntu)
Importance: Low => Medium
** Tags added: regression-release
--
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https://bugs.launchpad.net/bugs/1455002
Title:
Thinkpad x200t backlight settings
Status in xorg package in Ubuntu:
Incomplete
Bug description:
ubuntu 15.04 AMD64
Howto reproduce this bug that did not exist up to ubuntu 14.10
Set your required backlight power with the Fn-Keys and shutdown the
machine. Now bootup again, the login screen and your desktop is on
lowest backlight power that can be set, maybe you have to lower the
light to see your display. You have to power the backlight up with the
Fn-Keys after login., but this will not survive next shutdown.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Thu May 14 11:00:23 2015
DistUpgraded: 2015-04-25 23:23:28,368 DEBUG enabling apt cron job
DistroCodename: vivid
DistroVariant: ubuntu
DkmsStatus:
tp-smapi, 0.41, 3.13.0-49-generic, x86_64: installed
tp-smapi, 0.41, 3.16.0-34-generic, x86_64: installed
tp-smapi, 0.41, 3.19.0-15-generic, x86_64: installed
tp-smapi, 0.41, 3.19.0-16-generic, x86_64: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:20e4]
Subsystem: Lenovo Device [17aa:20e4]
InstallationDate: Installed on 2014-09-17 (238 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: LENOVO 7453WVK
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-16-generic root=UUID=dbb1913f-e1d6-42eb-b68f-221fd8326a6b ro quiet splash elevator=deadline vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to vivid on 2015-04-25 (18 days ago)
dmi.bios.date: 11/16/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7WET61WW (3.11 )
dmi.board.name: 7453WVK
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7WET61WW(3.11):bd11/16/2009:svnLENOVO:pn7453WVK:pvrThinkPadX200T:rvnLENOVO:rn7453WVK:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7453WVK
dmi.product.version: ThinkPad X200T
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
xserver.bootTime: Thu May 14 10:56:56 2015
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 16401
vendor LEN
xserver.version: 2:1.17.1-0ubuntu3
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References