BIG FAT ACK! I have here also a Samsung P35
I'm also the reporter of bug #136346 - g-p-m is still absolutely broken.
The procedure looks like follows:
reboot
gnome, log in
while true; do
killall gnome-power-manager
rm -rf ~/.gconf/apps/gnome-power-manager
done
more issues:
- brightness control with Fn+Up or +Down only one level each time or g-p-m
burns CPU with endless change events
seen with
dbus-monitor --system
signal sender=:1.3 -> dest=(null destination)
path=/org/freedesktop/Hal/devices/platform_i8042_i8042_KBD_port_logicaldev_input;
interface=org.freedesktop.Hal.Device; member=Condition
string "ButtonPressed"
string "brightness-down"
..... repeat .....
and lshal -m
21:25:55.541: platform_i8042_i8042_KBD_port_logicaldev_input condition
ButtonPressed = brightness-up
21:25:55.748: platform_i8042_i8042_KBD_port_logicaldev_input condition
ButtonPressed = brightness-up
..... repeat .....
- dim display when idle when on battery causes brightness go down to 0% and
back to 100%
(or flashes display and burns CPU)
--
gnome-power-manager brightness control is crazy
https://bugs.launchpad.net/bugs/150086
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