Please _don't_ try booting with 'noacpi' in this case. It will have the affect of /disabling/ all the power-management and related code!
The solution is to not have g-p-m take any notice of Brightness Key events on ThinkPads *or* to not fake those Key events in the first place. Doing: sudo killall thinkpad-keys should cut the loop and stop this behaviour---however that's not the solution... -- [Feisty] Thinkpad R51 LCD brightness control cycles between lowest settings only https://launchpad.net/bugs/81407 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
