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Message #83545
[Bug 1378418] Re: Brightness bug in kernel 3.13 and Thinkpads/Dockingstation
Awesome, it works perfectly with 3.17. Since 14.10 will have 3.16 as
kernel, when will it be available for Ubuntu?
** Tags added: kernel-fixed-upstream
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https://bugs.launchpad.net/bugs/1378418
Title:
Brightness bug in kernel 3.13 and Thinkpads/Dockingstation
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
When undocking my Thinkpad T30s from my dockingstation, the brightness
is set to the lowest level and can't be changed.
Workaround:
- Dock/Undock again. After the second undocking the brightness level can be changed. Rule of thumb: Every uneven undocking won't work.
- Reboot
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-36-generic 3.13.0-36.63
ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
Uname: Linux 3.13.0-36-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: s0me0ne 3001 F.... pulseaudio
Date: Tue Oct 7 17:35:56 2014
HibernationDevice: RESUME=UUID=af9ba4ae-e55a-4140-ada0-b0fe89caa5ff
InstallationDate: Installed on 2014-09-21 (16 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: LENOVO 2356LNG
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-36-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.13.0-36-generic N/A
linux-backports-modules-3.13.0-36-generic N/A
linux-firmware 1.127.7
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/14/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: G7ETA0WW (2.60 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2356LNG
dmi.board.vendor: LENOVO
dmi.board.version: Win8 Pro MBR 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:bvrG7ETA0WW(2.60):bd05/14/2014:svnLENOVO:pn2356LNG:pvrThinkPadT430s:rvnLENOVO:rn2356LNG:rvrWin8ProMBRTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2356LNG
dmi.product.version: ThinkPad T430s
dmi.sys.vendor: LENOVO
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