it looks like there was some page, which was causing the crash (Java ?/ Flash ?) I have not observed the crash since past week now. this can be kept dormant when someone observes the crash one can provide more information
-- Firefox crashed on logout https://launchpad.net/bugs/78304 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs