CMedia CMI8738 on board; crackle sound

[Barney Wolff]

On Thu, Oct 23, 2003 at 05:57:01PM -0400, Eric Pogroski wrote:
> On Fri, 24 Oct 2003 00:35:17 +0400
> Dmitry Dergachev <dergachev at pochta.ru> wrote:
> > 1)
> > #dmesg | grep pcm
> > pcm0: <CMedia CMI8738> port 0xe400-0xe4ff irq 10 at device 19.0 on
> > pci0 2)
> > Mother Board
> > Chaintech CT-7VJD with on board sound
> 
> Hi. I have the same chip on mine (Asus A7V333 w/ audio), and it gave me
> the same problems.
> 
> I added these lines to their respective files, and the problems went
> away:
> 
> /boot/loader.conf
> hw.pci.allow_unsupported_io_range=1
> 
> /etc/sysctl.conf
> hw.snd.pcm0.vchans=6
> hw.snd.maxautovchans=6
> 
> kernel config has
> device	pcm

Just to add to the confusion, I have the same A7V333 and have never had
any trouble with sound, with nothing for it in loader.conf.

-- 
Barney Wolff         http://www.databus.com/bwresume.pdf
I'm available by contract or FT, in the NYC metro area or via the 'Net.