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Re: [Bug 962402] Re: [Dell Studio XPS 1640] keyboard stops responding after backlight toggle


I do not know - that laptop died a year ago :)

Best regards,
Andrius Popovas

On 11/17/2014 01:57 AM, Christopher M. Penalver wrote:
> apopovas, is this still an issue for you in the latest precise kernel?
> ** Tags added: bios-outdated-a15
> ** Package changed: ubuntu => linux (Ubuntu)
> ** Changed in: linux (Ubuntu)
>     Importance: Medium => Low
> ** Changed in: linux (Ubuntu)
>         Status: Confirmed => Incomplete

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  [Dell Studio XPS 1640] keyboard stops responding after backlight

Status in “linux” package in Ubuntu:

Bug description:
  I am usind Ubuntu 11.10 x64 on Dell Studio XPS 16 laptop whitch has a
  keyboard backlight. Everything works fine, except if i try to toggle
  backlight (to change brightness or to turn it off while on battery),
  all keyboard seems to stop working, but shortcuts still work - i can
  kill X, change music, etc.

  Edit: it seems same situation is using ubuntu 12.04..
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0-0ubuntu2
  Architecture: amd64
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=f963a452-1f94-4294-aaaf-b9532de52b62
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
  MachineType: Dell Inc. Studio XPS 1640
  NonfreeKernelModules: fglrx
  Package: linux (not installed)
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-21-generic root=UUID=fd037b24-4917-4420-9a04-5d049fab4493 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
  SourcePackage: linux
  Tags:  precise precise
  Uname: Linux 3.2.0-21-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 05/07/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0W497D
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A07
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A07
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd05/07/2009:svnDellInc.:pnStudioXPS1640:pvrA073:rvnDellInc.:rn0W497D:rvrA07:cvnDellInc.:ct8:cvrA07:
  dmi.product.name: Studio XPS 1640
  dmi.product.version: A073
  dmi.sys.vendor: Dell Inc.

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