I've just stated, that after those error messages lmms remains connected to jack, and is able to output sound through jack. Only those annoying message windows appear from time to time (mainly after change of instrument or other settings in lmms).
-- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org