Indeed, I don't think this problem is X related at all. Marking it rejected (for pacakge xorg-server) - bug is still open/valid for pbbuttonsd, though.
** Changed in: xorg-server (Ubuntu) Status: Needs Info => Rejected -- Terrible keyboard performance on PPC https://launchpad.net/bugs/54781 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs