CMedia CMI8738 on board; crackle sound

Hi ALL!
Sorry! I can't write in English very well!


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

What can you advise me?

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> -------------------------------------------------------------------------- <

發信人: [e-mail] (Eric Pogroski), 看板: FB_stable
標  題: Re: CMedia CMI8738 on board; crackle sound
發信站: NCTU CSIE FreeBSD Server (Fri Oct 24 05:34:43 2003)
轉信站: ptt!FreeBSD.csie.NCTU!not-for-mail

On Fri, 24 Oct 2003 00:35:17 +0400
Dmitry Dergachev <[e-mail]> wrote:

> Hi ALL!
> Sorry! I can't write in English very well!
> 
> 
> 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
> 
> What can you advise me?
> 
> _______________________________________________
> [e-mail] mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to
> "[e-mail]"

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

Good luck!
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> -------------------------------------------------------------------------- <

發信人: [e-mail] (Barney Wolff), 看板: FB_stable
標  題: Re: CMedia CMI8738 on board; crackle sound
發信站: NCTU CSIE FreeBSD Server (Fri Oct 24 07:47:31 2003)
轉信站: ptt!FreeBSD.csie.NCTU!not-for-mail

On Thu, Oct 23, 2003 at 05:57:01PM -0400, Eric Pogroski wrote:
> On Fri, 24 Oct 2003 00:35:17 +0400
> Dmitry Dergachev <[e-mail]> 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.
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