Ah, I forgot to mention that the side-effect is that the on-screen display for brightness disappears. But this seems to be a problem with gnome-power-manager, and I've filed a bug upstream about it.
-- Screen brightness buttons don't work properly on Thinkpad T60 https://launchpad.net/bugs/61184 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
