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Subject: Re: M571 Internal Audio
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Цитирую Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>:

> > > > 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
> > > > CM8330 SB16 Driver (WDM)
> > > > C-Media CM8330 Audio Driver (WDM)
> > >
> > > What are you doing to play your sound files?
> > 
> > cat madcow.au > /dev/sound
> > play madcow.au
> > play ttt.mp3
> > mpeg123 ttt.mp3
> > 
> > Here play is sox' one.
> > 
> > Disabling loading mss module and adding
> > 
> > device pcm0 port at isa? port 0x240 irq 07 drq 05 flags 0x17
> > 
> > doesn't help: first device still isn't detected and second one appears
> as pcm1.
> > 
> > I've tried snd0 sb device. Now tring sbxvi...
> 
> You might need them both together; take a close look at the manual
> page.

Yes, you are right. But this configuration wasn't successful too.

> Also consider updating to FreeBSD 6.0, because the sound
> drivers have not only been improved, but also just plain *changed*.
> And I, for one, don't remember the 4.x era sound drivers in enough
> detail to be all that much help.

Thank you for advice, but machine running FreeBSD is slow... I better have fast 
system with gcc2, which occupies less space, than system with gcc3.4, which is a 
bit more heavy, but where sound works (if it is really so). :-)

Well, and why can I get such messages:

pcm0:play:0: play interrupt timeout, channel dead

? What can be wrong? Sound card is detected, IRQ, DMA, port are right. I've 
found some similiar problems in Google, but solutions from there didn't match my 
case.