hum, my experience is that incorrect attempt to use the heap leads to the backtrace starting with a "??", the next function is usually correct (that's why I wrote "with several "??""), I'll ask to the GNOME bugzilla guys what they did for that, they also refuse bugs without a correct backtrace now
-- do not accept short crash reports for useless stack traces https://launchpad.net/bugs/87430 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs