[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/1115555
Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
Status in linux package in Ubuntu:
Expired
Bug description:
Backlight control does not work, but there are entries in
/sys/class/backlight.
This may require the ACPI backlight driver to not take control so that
a vendor specific driver will have a chance to register.
I wanto mention that this goes beyond just the applet not working. My
data does change in Ubuntu for those entries and the acpi interface to
the Linux Kernel is not able to use that changed data to change the
hardware brightness setting.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-37-generic 3.2.0-37.58
ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
Uname: Linux 3.2.0-37-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: carkaci 1936 F.... pulseaudio
/dev/snd/controlC0: carkaci 1936 F.... pulseaudio
CRDA:
country AW:
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250 @ 40), (N/A, 20)
(5250 - 5330 @ 40), (N/A, 20), DFS
(5490 - 5710 @ 40), (N/A, 27), DFS
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd0500000 irq 48'
Mixer name : 'Cirrus Logic CS4206'
Components : 'HDA:10134206,106b1800,00100301'
Controls : 25
Simple ctrls : 11
Card1.Amixer.info:
Card hw:1 'Generic'/'HD-Audio Generic at 0xd0440000 irq 49'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 6
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Mon Feb 4 21:53:10 2013
HibernationDevice: RESUME=UUID=2850be5d-9902-4a6d-8e97-3f9d34028e02
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120823.1)
MachineType: Apple Inc. iMac11,3
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-37-generic
root=UUID=83592388-7d5b-432f-94fe-74542604df39 ro acpi_osi=Linux quiet splash
vt.handoff=7
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory
/home/carkaci not ours.
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.2.0-37-generic N/A
linux-backports-modules-3.2.0-37-generic N/A
linux-firmware 1.79.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/03/10
dmi.bios.vendor: Apple Inc.
dmi.bios.version: IM112.88Z.0057.B00.1005031455
dmi.board.name: Mac-F2238BAE
dmi.board.vendor: Apple Inc.
dmi.board.version: iMac11,3
dmi.chassis.type: 13
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F2238BAE
dmi.modalias:
dmi:bvnAppleInc.:bvrIM112.88Z.0057.B00.1005031455:bd05/03/10:svnAppleInc.:pniMac11,3:pvr1.0:rvnAppleInc.:rnMac-F2238BAE:rvriMac11,3:cvnAppleInc.:ct13:cvrMac-F2238BAE:
dmi.product.name: iMac11,3
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
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