>> also, upon 'shutdown -r now' from the white text/black background, the 
>> audio0 device is not reported... i also tried using mknod to create the 
>> sound/0, audio/0, mixer/0, and audioctl/0 devices (major number 47 and 0, 
>> 128, 16, and 192, right?)... but cannot seem to play sound and get:
>> 
>> "device not configured"...
> 
> crw-rw-rw-  1 root  wheel  48, 128 Apr  5 11:58 /dev/audio0
> crw-rw-rw-  1 root  wheel  48, 192 Mar 25 12:31 /dev/audioctl0
> crw-rw-rw-  1 root  wheel  48,  16 Mar 25 12:31 /dev/mixer0
> crw-rw-rw-  1 root  wheel  48,   0 Apr  5 11:56 /dev/sound0
> 
> play works fine for me...  As does audioplay.

Major was 47 before merge in CVS tree. It is 48 now, because LKM uses 47.
If major is 47, you update /dev/MAKEDEV, and execute it.

I can play MP3 with pkgsrc/audio/mad, but AIU driver has point of
betterment, so mute interrupt occurs now.