Setting brightness doesn't work out of the box on Acer Extensa 5235
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linux |
Fix Released
|
Medium
|
|||
linux (Ubuntu) |
Incomplete
|
Low
|
Unassigned |
Bug Description
I use this laptop since 10.04 and I always have to write something into /etc/default/grub, to solve this problem.
WORKAROUND: Use kernel parameter:
acpi_backlight=
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-
ProcVersionSign
Uname: Linux 3.2.0-17-
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.93-0ubuntu2
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/pcmC0D0p: lukibeni 1665 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf0700000 irq 45'
Mixer name : 'Conexant CX20561 (Hermosa)'
Components : 'HDA:14f15051,
Controls : 18
Simple ctrls : 12
Date: Sun Feb 26 09:19:11 2012
HibernationDevice: RESUME=
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120201.1)
MachineType: Acer Extensa 5235
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=hu_HU.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.71
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/09/2009
dmi.bios.vendor: Phoenix
dmi.bios.version: V0.3216
dmi.board.name: BA50-MV
dmi.board.vendor: Acer
dmi.board.version: Not Applicable
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.
dmi.modalias: dmi:bvnPhoenix:
dmi.product.name: Extensa 5235
dmi.product.
dmi.sys.vendor: Acer
Changed in linux (Ubuntu): | |
status: | New → Confirmed |
tags: |
added: kernel-bug-exists-upstream removed: needs-upstream-testing |
Changed in linux: | |
importance: | Unknown → Medium |
status: | Unknown → Incomplete |
Changed in linux: | |
status: | Incomplete → Fix Released |
Just to confirm, this bug is fixed in Precise, but you would like to see if the fix can be backported to previous releases?