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
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** Tags added: bios-outdated-a34 needs-upstream-testing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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