If you kill "gnome-power-manager" and change brightness, then alt+F2 and reload it the everything will still work. It must be a problem with gnome-power-manager.
-- Losing keyboard and mouse control when changing screen brightness with fn + arrow under intrepid https://bugs.launchpad.net/bugs/285323 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs