Could you try to get a log for the bug with "GST_DEBUG_NO_COLOR=1 GST_DEBUG=5 rhythmbox &>log" and attach to the launchpad page?
-- [apport] rhythmbox crashed with SIGSEGV in gst_pad_get_caps() https://launchpad.net/bugs/87923 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
