I seem to be having the same issue on edgy. Here is my crash log. Seems to be beagle related.
** Attachment added: "mono crash log starting desktop on edgy" http://librarian.launchpad.net/4966397/_usr_bin_mono.1000.crash -- Mono Crashes as Desktop Loads https://launchpad.net/bugs/69902 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs