Hello 

I updated my machine from NetBSD 4.0RC1 to 4.99.44 and the audio output doesn't work anymore. 
No errors or other complains from programs using the audio device, just no signal in the line output.
Any clues about this?

auvia0 at pci0 dev 17 function 5: VIA Technologies VT8237 AC'97 Audio (rev 0x60)
auvia0: interrupting at ioapic0 pin 22 (irq 10)
auvia0: ac97: Analog Devices AD1888 codec; headphone, 20 bit DAC, no 3D stereo
auvia0: ac97: ext id 3c7<AMAP,LDAC,SDAC,CDAC,SPDIF,DRA,VRA>
audio0 at auvia0: full duplex, mmap, independent

name=VIA VT823x
version=0x60
config=auvia
encodings=slinear_le:16,slinear_be:16*,ulinear_le:16*,ulinear_be:16*,mulaw:8*,al
aw:8*,ulinear_le:8,slinear_be:8*,slinear_le:8,ulinear_be:8*
properties=full_duplex,mmap,independent
full_duplex=0
fullduplex=0
blocksize=4096
hiwat=16
lowat=1
monitor_gain=0
mode=
play.rate=44100
play.channels=2
play.precision=16
play.encoding=slinear_le
play.gain=167
play.balance=32
play.port=0x0
play.avail_ports=0x0
play.seek=0
play.samples=0
play.eof=0
play.pause=0
play.error=0
play.waiting=0
play.open=0
play.active=0
play.buffer_size=65536

--
Jari Kuittinen