https://bugs.winehq.org/show_bug.cgi?id=50416
--- Comment #7 from j-r@online.de --- (In reply to j-r from comment #6)
It seems to be enough to single step through FACTAudioEngine_Initialize. Not sure if that is enough to rule out a wine bug (AFAIU FAudio uses callbacks).
Opened https://github.com/FNA-XNA/FAudio/issues/234