Travis, Uninstalling compiz-extra fixes this problem, so that is where it appears the bug may be hidden, within one of the plugins in the extra package.
thanks, Dan -- compiz.real crashes, possibly do to gnome-compiz-manager https://launchpad.net/bugs/98736 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs