Comment 110 for bug 1163720

Yeah, i read it, but the actually proposed solution doesn't work with the
new kernel and uefi.
Le 19 avr. 2014 17:20, "Bib" <email address hidden> a écrit :

> Guillaume, I didn't re-read the whole thread, but did you? At a time,
> the issue was said to be fixed for ubuntu installed over a BIOS MODE
> only, i.e. not over UEFI. Did you check this or do you already know
> you're in UEFI (only usefull I beleive for double boot with W7+)?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> 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 Released
> Status in “linux” source package in Quantal:
> Fix Released
> Status in “linux” source package in Raring:
> Fix Released
> Status in “linux” source package in Saucy:
> Fix Released
>
> 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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