beryl/beryl-manager are not in ubuntu yet and very experimental, so it is likely that they will break with ubuntu currently.
Please contact upstream (beryl developers) ** Changed in: xorg-server (Ubuntu) Status: Unconfirmed => Rejected -- beryl-manager (under Dapper with ati radeon 9600) refuses after some time to obtain/refresh configuration changes https://launchpad.net/bugs/63409 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs