I can confirm that in Ubuntu 6.06 Dapper I get the same generic error with a Pioneer DVD burner and DVD-R, DVD-RW. The error is inconsistent. Sometimes I manage to burn from second or third attempt.
-- Error while burning DVD-RWs: Input/output error https://launchpad.net/bugs/15424 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs