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[Tim Sæterøy <timsateroy@xxxxxxxxx>]

I don't think this bug is unique for Ubuntu. I got the exact same error
with Gnome 3.2 on my Arch Linux. Can't find any fix, tempfix on gconf or
anything else. Really annoying. Only occurs with AC-power.

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https://bugs.launchpad.net/bugs/355180

Title:
  [jaunty] screen brightness dims on AC power despite config to leave at
  100%

Status in “gnome-power-manager” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: gnome-power-manager

  I have a Dell Latitude D410 laptop running the latest testing version
  of Jaunty.

  While I'm typing here, I have the laptop on AC power.  I find the
  screen keeps dimming down to about 60%.  I then use the hotkey to
  brighten the screen up again.  Within a minute or two it has dimmed
  back down again.

  The power management settings "On AC power" are set to

   Put computer to sleep when inactive: Never
   When laptop is closed: blank screen
   Put display to sleep when inactive for: 15 minutes
   Set display brightness to: 100%
   Dim display when idle: unchecked

  "On Battery Power":

   Put computer to sleep when inactive: Never 
   When laptop is closed: blank screen
   When battery power is critically low: Shutdown
   Put display to sleep when inactive for: 11 minutes
   Reduce backlight brightness: checked
   Dim display when idle: checked

  The gnome tray applet confirms that I do have AC power on.

  This problem is consistently irritating.  I'm in a bright room and
  really need the full backlight.

  
  gavinmc@bambi:~$ apt-cache policy gnome-power-manager
  gnome-power-manager:
    Installed: 2.24.2-2ubuntu7
    Candidate: 2.24.2-2ubuntu7
    Version table:
   *** 2.24.2-2ubuntu7 0
          500 http://ie.archive.ubuntu.com jaunty/main Packages
          100 /var/lib/dpkg/status
  gavinmc@bambi:~$ lsb_release -rd
  Description:    Ubuntu jaunty (development branch)
  Release:        9.04

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