Comment 6 for bug 355180

Thanks for the comments. We'll need some more information before sending this upstream. Please try the following:

GNOME Power Manager Verbose Trace (This will turn on verbose debugging for GNOME Power Manager.)

1) Enter the following into the terminal:
killall gnome-power-manager
gnome-power-manager --no-daemon --verbose
2) work on your computer until the bug appears, then report what is shown in the terminal (some text should appear around the same time the bug shows itself as well as when you increase the brightness to fix it).

Reason (/var/log/messages) information (This will return the reason GNOME Power Manager did a specific action.)

1) Work until you see the bug then enter the following in to the terminal:
cat /var/log/message | grep gnome-power-manager
2) report the output here