This is actually the same patch, i didn't see that gandalf reported a bug. I can't say for xcompmgr since i never use it, but you should try.
-- GNOME logout screen doesn't appear when the composite is enabled https://launchpad.net/bugs/24221 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
