A-ha! That did it. You know, all these new things are wonderful… once you start figuring out how they work and where they dump things. :-) New crash file attached from /var/crash.
** Attachment added: "Another Metacity crash when attempting to enable desktop-effects." http://librarian.launchpad.net/6837946/_usr_bin_metacity.1000.crash -- [apport] metacity crashed with SIGSEGV https://launchpad.net/bugs/92502 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs