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[Bug 1232459] Re: Brightness control broken for Dell XPS 13 on Raring 13.04 after kernel upgrade

 

Shaun Duncan, as per
http://www.dell.com/support/troubleshooting/us/en/19/Product/xps-13
-l321x-mlk an update is available for your BIOS (A10). If you update to
this following https://help.ubuntu.com/community/BiosUpdate , does it
change anything?

If not, could you please both specify what happened, and provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful.

For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Thank you for your understanding.

** Tags added: bios-outdated-a10

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

** Attachment removed: "lspci-vnvn.log"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1232459/+attachment/3847174/+files/lspci-vnvn.log

** Attachment removed: "version.log"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1232459/+attachment/3847173/+files/version.log

** Summary changed:

- Brightness control broken for Dell XPS 13 on Raring 13.04 after kernel upgrade
+ [Dell XPS 13 L322X] Brightness control broken on Raring 13.04 after kernel upgrade

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https://bugs.launchpad.net/bugs/1232459

Title:
  [Dell XPS 13 L322X] Brightness control broken on Raring 13.04 after
  kernel upgrade

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I've seen this problem in both kernels 3.8.0.30-generic and
  3.8.0.31-generic. It seems to be working without any problems in
  3.8.0.29-generic.

  Current version of intel packages:
  xserver-xorg-video-intel: 2:2.21.6-0ubuntu4.1
  libdrm-intel1: 2.4.43-0ubuntu1.1
  --- 
  ApportVersion: 2.9.2-0ubuntu8.4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sduncan    1885 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=c4838fd3-7b17-4660-bcee-182637bc6e6d
  InstallationDate: Installed on 2013-08-13 (45 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: Dell Inc. Dell System XPS L322X
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-31-generic.efi.signed root=UUID=d04e0f52-da13-4e30-9581-f0a8d2f32051 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-31-generic N/A
   linux-backports-modules-3.8.0-31-generic  N/A
   linux-firmware                            1.106
  Tags:  raring
  Uname: Linux 3.8.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 05/15/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: 0WG38X
  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.:bvrA09:bd05/15/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0WG38X:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L322X
  dmi.sys.vendor: Dell Inc.

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