Try using "thread apply all bt" instead of only "bt" and attach the output here... also could you upload the file? Or does this happen with all m4a files for you?
** Changed in: gstreamer0.10 (Ubuntu) Status: Rejected => Unconfirmed -- Rhythmbox seg faults after a few moments https://launchpad.net/bugs/45212 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs