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[Bug 1179315] Re: [Dell XPS L322X] Backlight control problems (3.8.0-25-generic #37-Ubuntu SMP)


** Summary changed:

- Backlight control problems (3.8.0-25-generic #37-Ubuntu SMP)
+ [Dell XPS L322X] Backlight control problems (3.8.0-25-generic #37-Ubuntu SMP)

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  [Dell XPS L322X] Backlight control problems (3.8.0-25-generic
  #37-Ubuntu SMP)

Status in “linux” package in Ubuntu:

Bug description:
  After upgrading to 3.8.0-20.31 kernel my backlight control stopped
  working. It was working on previous versions of the kernel. I know
  other people reported this bug before and that 3.8.0-20.31 kernel was
  suppose to fix it; but in my case it was working before and this
  update broke it.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image (not installed)
  ProcVersionSignature: Ubuntu 3.8.0-20.31-generic 3.8.11
  Uname: Linux 3.8.0-20-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
   /dev/snd/controlC0:  langelvs   1672 F.... pulseaudio
   country DE:
    (2400 - 2483 @ 40), (N/A, 20)
    (5150 - 5250 @ 40), (N/A, 20), NO-OUTDOOR
    (5250 - 5350 @ 40), (N/A, 20), NO-OUTDOOR, DFS
    (5470 - 5725 @ 40), (N/A, 26), DFS
  Date: Mon May 13 00:00:44 2013
  HibernationDevice: RESUME=UUID=532a06d0-3beb-47ba-977e-17b09d32f193
  MachineType: Dell Inc. Dell System XPS L322X
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-20-generic root=UUID=79a15acb-470b-40a5-b2b6-118e7cbe0656 ro quiet splash vt.handoff=7
   linux-restricted-modules-3.8.0-20-generic N/A
   linux-backports-modules-3.8.0-20-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/22/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0PJHXN
  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.:bvrA07:bd01/22/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L322X
  dmi.sys.vendor: Dell Inc.

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