I tried disabling one X-screen (I have two) and then compiz starts working. Filed a new bug about it: https://launchpad.net/distros/ubuntu/+source/compiz/+bug/74012
-- compiz crashes on AMD64 (EM64T Xeon) and nVidia Quadro https://launchpad.net/bugs/31679 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs