http://bugs.winehq.org/show_bug.cgi?id=9027
--- Comment #16 from Ken Sharp kennybobs@o2.co.uk 2009-03-09 06:40:35 --- I get the same messages in the console, don't worry about them.
Well I'm using Ubuntu 8.10 which defaults to using ALSA, but it works with OSS too.
Does sound in any app through Wine work? Have you tested the sound in winecfg?