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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 19 Nov 2005 09:20:58 -0500
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Cc: freebsd-questions@freebsd.org
Subject: Re: M571 Internal Audio
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yegor@box.vsi.ru writes:

> Hello.
> 
> I've got a problem with M571 motherboard integrated audio under 4.10-RELEASE.
> 
> When play .au, speakers produce some noise for a second.
> When play .mp3, speakers are silent and kernel reports:
> 
> pcm0:play:0: play interrupt timeout, channel dead
> 
> $ cat /dev/sndstat
> FreeBSD Audio Driver (newpcm)
> Installed devices:
> pcm0: <CMI8330> at io 0x530 irq 11 drq 0 bufsz 4096 (1p/1r/0v channels duplex)
> 
> As of hardware, Windows 2000 recognizes two devices, both work fine:
> 
> CM8330 SB16 Driver (WDM)
> Port: 0240-024f
> IRQ: 07
> DMA: 03, 07
> 
> C-Media CM8330 Audio Driver (WDM)
> Port: 0530-0537, 0388-038f
> IRQ: 11
> DMA: 00
> 
> FreeBSD finds only the latter with help of snd_mss.ko.
> 
> Any ideas about making one or both devices work?

What are you doing to play your sound files?