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[Bug 1130850] Re: updated kernel kills backlight on laptop

 

Eric David Fielding, thank you for reporting this and helping make Ubuntu better. Lucid reached EOL on May 09, 2013.
Please see this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We were wondering if this is still an issue in a supported release? If
so, could you please confirm this issue exists with the latest
development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal (Applications->Accessories->Terminal), as it will
automatically gather and attach updated debug information to this
report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.11-rc3

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

If you are unable to test the mainline kernel, please comment as to why specifically you were unable to test it and add the following tags:
kernel-unable-to-test-upstream
kernel-unable-to-test-upstream-VERSION-NUMBER

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Tags added: bios-outdated-a06

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

** Summary changed:

- updated kernel kills backlight on laptop
+ [Dell Inspiron 1318] Updated kernel kills backlight on laptop

-- 
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https://bugs.launchpad.net/bugs/1130850

Title:
  [Dell Inspiron 1318] Updated kernel kills backlight on laptop

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Dell Inspiron 1318
  Model PP25L
  Ubuntu 10.04 LTS (supported until April 2013)
  Update to Kernel 2.6.32-45-generic killed backlight on laptop.
  Reverting to Kernel 2.6.32-44-generic corrected the bug and the backlight works again.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-44-generic 2.6.32-44.98
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-44.98-genusername 2.6.32.59+drm33.24
  Uname: Linux 2.6.32-44-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  eric       2007 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf6ffc000 irq 21'
     Mixer name	: 'SigmaTel STAC9228'
     Components	: 'HDA:83847616,10280286,00100402'
     Controls      : 20
     Simple ctrls  : 13
  Date: Wed Feb 20 15:00:57 2013
  HibernationDevice: RESUME=UUID=60295fd1-a446-4c7e-bce2-277455014572
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427.1)
  MachineType: Dell Inc. Inspiron 1318
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-44-genusername root=/dev/mapper/hostname-root ro quiet splash
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_CA.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34.14
  SourcePackage: linux
  dmi.bios.date: 10/23/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A03
  dmi.board.name: 0C901K
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA03:bd10/23/2008:svnDellInc.:pnInspiron1318:pvr:rvnDellInc.:rn0C901K:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Inspiron 1318
  dmi.sys.vendor: Dell Inc.

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