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Message #33453
[Bug 1163720] Re: Brightness control broken on XPS13 and 3.8.0-16, 3.8.0-22 and 3.11.0-12
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
raring' to 'verification-done-raring'.
If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!
** Tags added: verification-needed-raring
** Tags added: verification-needed-saucy
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https://bugs.launchpad.net/bugs/1163720
Title:
Brightness control broken on XPS13 and 3.8.0-16, 3.8.0-22 and
3.11.0-12
Status in The Linux Kernel:
Incomplete
Status in “linux” package in Ubuntu:
Fix Released
Status in “linux” source package in Precise:
Fix Committed
Status in “linux” source package in Quantal:
Fix Committed
Status in “linux” source package in Raring:
Fix Committed
Status in “linux” source package in Saucy:
Fix Committed
Bug description:
Since 3.8.0-16, the brightness control doesn’t work anymore.
The popup is displayed, so the shortcut keys do work correctly, but it has no effect on the actual brightness of the screen.
Switching back to 3.8.0-15 solves the issue.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-16-generic 3.8.0-16.26
ProcVersionSignature: Ubuntu 3.8.0-16.26-generic 3.8.5
Uname: Linux 3.8.0-16-generic x86_64
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: coucouf 1837 F.... pulseaudio
Date: Wed Apr 3 08:29:58 2013
DistributionChannelDescriptor:
# This is a distribution channel descriptor
# For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-precise-amd64-20120703-2
HibernationDevice: RESUME=UUID=e49e9eae-f16f-45bb-ad2c-b6da5c0c6f6d
InstallationDate: Installed on 2013-03-23 (10 days ago)
InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08
MachineType: Dell Inc. Dell System XPS L322X
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-16-generic root=UUID=3f6858e1-d8f5-44c4-b8e9-5ab8b9639ba7 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.8.0-16-generic N/A
linux-backports-modules-3.8.0-16-generic N/A
linux-firmware 1.104
SourcePackage: linux
UpgradeStatus: Upgraded to raring on 2013-04-02 (0 days ago)
dmi.bios.date: 01/22/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0PJHXN
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnDellInc.:bvrA07:bd01/22/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS L322X
dmi.sys.vendor: Dell Inc.
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