Beryl is a separate product from compiz now, so if you are having issues with beryl, please wait until a new upload is prepared. As for a chroot, I have no idea. You might try using a live cd and then installing compiz on that.
-- Crash reported https://launchpad.net/bugs/61816 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs