Public bug reported:
Description: Ubuntu 13.04
Release: 13.04
linux-image-generic:
Installed: 3.8.0.21.37
Candidate: 3.8.0.21.37
Version table:
*** 3.8.0.21.37 0
500 http://ubuntu-archive.sit.kmutt.ac.th/ raring-updates/main amd64
Packages
500 http://ubuntu-archive.sit.kmutt.ac.th/ raring-security/main amd64
Packages
100 /var/lib/dpkg/status
3.8.0.19.35 0
500 http://ubuntu-archive.sit.kmutt.ac.th/ raring/main amd64 Packages
Brightness control visible but does nothing on 13.04...
The brightness up down buttons shows the overlay brightness icon going
up and down but it does not change the brightness (backlight).
I have tried adjusting the kernel options acpi_osi=<x> and
acpi_backlight=<y> (that did work with 12.10) to make it work but to no
avail.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-generic 3.8.0.21.37
ProcVersionSignature: Ubuntu 3.8.0-21.32-generic 3.8.8
Uname: Linux 3.8.0-21-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: thomasc 2007 F.... pulseaudio
Date: Mon May 20 12:45:35 2013
HibernationDevice: RESUME=UUID=2acc4a8c-a645-4f3c-bc8e-5c7a9d9df417
InstallationDate: Installed on 2013-04-11 (38 days ago)
InstallationMedia: Ubuntu-GNOME 13.04 "Raring Ringtail" - Alpha amd64 (20130410)
MachineType: Acer Aspire V5-431
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-21-generic
root=UUID=4cfdb2ed-677a-4fd0-aa7d-5b118700bd35 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.8.0-21-generic N/A
linux-backports-modules-3.8.0-21-generic N/A
linux-firmware 1.106
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/12/2012
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: V1.20
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Aspire V5-431
dmi.board.vendor: Acer
dmi.board.version: V1.20
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.20
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvrV1.20:bd12/12/2012:svnAcer:pnAspireV5-431:pvrV1.20:rvnAcer:rnAspireV5-431:rvrV1.20:cvnAcer:ct9:cvrV1.20:
dmi.product.name: Aspire V5-431
dmi.product.version: V1.20
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug raring
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https://bugs.launchpad.net/bugs/1181927
Title:
13.04: Brightness control visible but does nothing
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