Hello!
Running FreeBSD 4.8-PRERELEASE and SDL 1.2.5 & SDL_Mixer 1.2.4 (even I
bet the problem comes with SDL).
When I try to play using dsp and esound is running, the sound doesn’t
work. That’s ok, but when the app finishes… there’s a seg fault
with a core dump.
Have you looked at the debugger output?
Another issue is the support of joystick under freebsd, but I guess
that I can patch that. I’ll send the patch if I make my game port pad
to work.
Yes, please do. 
Thanks!
-Sam Lantinga, Software Engineer, Blizzard Entertainment