Addendum. Even after doing what I just described (above, reply #81), I find that after reboot sometimes beeping doesn't work until I switch window managers between metacity and compiz. :/
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to metacity in Ubuntu. https://bugs.launchpad.net/bugs/486154 Title: System beep broken in Karmic despite heroic efforts to fix it -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs