Latest edgy update has fixed this problem for evolution-- it now runs fine. (The update included evolution and xorg packages though, so still not clear which was at fault). Glade-2 still gives the X error, though.
-- X Windows error when running 2.7.4 https://launchpad.net/bugs/52657 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs