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I'm using Kubuntu Jaunty with KDE 4.2.4 and mostly the 2.6.30 kernel on
an acer travelmate 6492.
When I try to change the brightness of my desktop with either the FN-
keys or the powermanager-widget or the systemsettings, I can change the
settings but they have no effect on the brightness. I effectively can't
change it, it is always set to maximal brightness.
I can change brightness just fine when I boot into the 2.6.28-14 kernel.
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 9.04
Release: 9.04
Codename: jaunty
kernel version of the 2.6.28:
2.6.28-14-generic
kernel version of the 2.6.30:
2.6.30-020630rc6-generic
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: Incomplete
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brightness settings not applied
https://bugs.launchpad.net/bugs/413303
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