This looks like http://bugzilla.kernel.org/show_bug.cgi?id=6356 which was fixed upstream in Linux 2.6.16.20 and 2.6.17. But I don't know if 2.6.15-20-powerpc actually has this bug in the first place.
-- External Firewire DVD-RW not working. https://launchpad.net/bugs/39257 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
