I had the same problems: With the solution: "1. $ sudo modprobe snd-seq-midi 2. $ timidity -iA 3. $ rosegarden4" it didn't break down any more, but there is unfortunately not sound at all.
-- Rosegarden does not start successfully by default in Dapper. https://launchpad.net/bugs/36801 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
