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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Kai Jauch, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/540134/comments/15
regarding this being fixed with an update. For future reference you can
manage the status of your own bugs by clicking on the current status in
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** Tags added: bios-outdated-a34 needs-upstream-testing

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

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https://bugs.launchpad.net/bugs/540134

Title:
  Screen backlight doesn't come on again after opening the lid

Status in The Linux Kernel:
  Fix Released
Status in “linux” package in Ubuntu:
  Invalid

Bug description:
  The backlight of the laptop display doesn't come back on after closing
  and opening the lid on a Dell Latitude E6400.

  This was originally reported as bug #488328 and fixed in kernel
  2.6.32-15 (using http://lists.freedesktop.org/archives/intel-
  gfx/2010-February/005902.html), but reappeared in 2.6.32-16 (which has
  the 2.6.33 drm stack in it).

  ProblemType: Bug
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kai        1584 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf6adc000 irq 21'
     Mixer name	: 'Intel G45 DEVCTG'
     Components	: 'HDA:111d76b2,10280233,00100302 HDA:80862802,80860101,00100000'
     Controls      : 25
     Simple ctrls  : 16
  Date: Wed Mar 17 10:51:49 2010
  DistroRelease: Ubuntu 10.04
  HibernationDevice: RESUME=UUID=84850757-fc9c-4161-b84e-bbd91d0ae069
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20091209)
  MachineType: Dell Inc. Latitude E6400
  Package: linux-image-2.6.32-16-generic 2.6.32-16.25
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-16-generic root=UUID=68c17dde-1bec-405b-9c58-e3a2e72a7d4d ro crashkernel=384M-2G:64M,2G-:128M quiet splash
  ProcEnviron:
   LANGUAGE=de_DE:de:en_GB:en
   PATH=(custom, user)
   LANG=de_DE.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
  Regression: Yes
  RelatedPackageVersions: linux-firmware 1.32
  Reproducible: Yes
  SourcePackage: linux
  TestedUpstream: No
  Uname: Linux 2.6.32-16-generic x86_64
  dmi.bios.date: 05/11/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A14
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA14:bd05/11/2009:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude E6400
  dmi.sys.vendor: Dell Inc.

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