Ubuntu does not ship beryl, you should report beryl bugs to the people you get that software from.
** Changed in: Ubuntu Status: Unconfirmed => Rejected -- Beryl steals the xkill Ctrl-Alt-Esc shortcut somehow. https://launchpad.net/bugs/91423 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs