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Message #69201
[Bug 1314263] Re: [Aspire 5830TG] Backlight control does not work, but there are entries in /sys/class/backlight.
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1314263
Title:
[Aspire 5830TG] Backlight control does not work, but there are entries
in /sys/class/backlight.
Status in “linux” package in Ubuntu:
Expired
Bug description:
I was trying to attach all the debugging information you have
requested in https://wiki.ubuntu.com/Kernel/Debugging/Backlight but of
course I can attach only one file. "You had only one job !" god damn
it ! So here you have it packed - just as you dont like.
WORKAROUND: video.use_bios_initial_backlight=1
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic]
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: krzysiek 1727 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Apr 29 17:53:20 2014
HibernationDevice: RESUME=UUID=98bb6fc0-55d5-4f87-8ee0-b29de4104441
InstallationDate: Installed on 2014-04-28 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Acer Aspire 5830TG
ProcFB:
0 inteldrmfb
1 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=aa11c6e0-57f7-4803-a66d-18ffc0a43790 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-24-generic N/A
linux-backports-modules-3.13.0-24-generic N/A
linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/14/2012
dmi.bios.vendor: Acer
dmi.bios.version: V1.12
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JM50_HR
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.12
dmi.modalias: dmi:bvnAcer:bvrV1.12:bd08/14/2012:svnAcer:pnAspire5830TG:pvrV1.12:rvnAcer:rnJM50_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.12:
dmi.product.name: Aspire 5830TG
dmi.product.version: V1.12
dmi.sys.vendor: Acer
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References