This happens to me as well, but only when I do not have my status marked as "available." So it's triggered by any away message/invisibility.
** Attachment added: "crash report" http://librarian.launchpad.net/5569595/_usr_bin_gaim.1000.crash -- gaim crashes after closing conversation window https://launchpad.net/bugs/69491 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
