FreeBSD 5.4PRE, xgalaga sound problems with VIA8233

Stefan Huerter maulwurf at
Sat Apr 9 07:16:46 PDT 2005


5.4-PRERELEASE FreeBSD 5.4-PRERELEASE #20: Tue Mar 29
Motheroard: Epox 8KHA+ AMD2400+

Sound works general well - except of xgalaga.
With xgalaga the sound has a delay about one second.
Changing of the hw.snd.pcm0.buffersize=16384 won't work - not changeable...

-su-2.05b# cat /dev/sndstat
FreeBSD Audio Driver (newpcm)
Installed devices:
pcm0: <VIA VT8233> at io 0xe000 irq 11 kld snd_via8233 (5p/1r/0v 
channels duplex default)

pcm0: <VIA VT8233> port 0xe000-0xe0ff irq 11 at device 17.5 on pci0
pcm0: <Avance Logic ALC200 AC97 Codec>

I've tried different settings.
One hint says to increase the hardware-buffer size.
With <hint.pcm.0.buffersize="16384"> in /boot/device.hints the delay 
increased from about one second before to about 4 or 5 seconds...

No sound works with xgalaga in FreeBSD <5.3
No problems found with FreeBSD 4.x

any hints?


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