[Bug 720912] Re: Maverick regression: Dell M1330 backlight brightness messed up

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: acpid (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/720912

Title:
  Maverick regression: Dell M1330 backlight brightness messed up

Status in “acpid” package in Ubuntu:
  Confirmed

Bug description:
  The Dell M1330 backlight has exactly 8 levels of brightness. I expect
  each press of the brightness adjustment keys to change the brightness
  by one level. When I use the keyboard to adjust the brightness in
  GNOME, it sometimes changes by one level, and sometimes changes by two
  levels.

  In Karmic, the buttons worked like I have describe above. In Lucid, everything worked correctly. In Maverick, we're back to the same behavior as in Karmic. So this is a regression in functionality.
  --- 
  Architecture: amd64
  DistroRelease: Ubuntu 11.04
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  NonfreeKernelModules: nvidia wl
  Package: acpid 1:2.0.7-1ubuntu2
  PackageArchitecture: amd64
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/zsh
  ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
  Tags:  natty running-unity
  Uname: Linux 2.6.38-11-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare

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