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Date:      Thu, 25 Sep 2003 17:00:00 -0700
From:      "Kevin Oberman" <oberman@es.net>
To:        David Gilbert <dgilbert@dclg.ca>
Cc:        freebsd-current@freebsd.org
Subject:   Re: pcm0 playing too fast. 
Message-ID:  <20030926000000.D42725D04@ptavv.es.net>
In-Reply-To: Message from David Gilbert <dgilbert@dclg.ca>  <16242.22944.748415.690733@canoe.dclg.ca> 

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> From: David Gilbert <dgilbert@dclg.ca>
> Date: Wed, 24 Sep 2003 22:57:36 -0400
> Sender: owner-freebsd-current@freebsd.org
> 
> It's my perception that some recent current (and I'm not positive
> when) has made a change that is causing the pcm device to play sounds
> a tone or so too fast.  The device probs in the kernel as:
> 
> pcm0: <Intel ICH4 (82801DB)> port 0xbc40-0xbc7f,0xb800-0xb8ff mem 0xf4fff400-0xf4fff4ff,0xf4fff800-0xf4fff9ff irq 11 at device 31.5 on pci0
> pcm0: <SigmaTel STAC9750/51 AC97 Codec>
> 
> and it definately didn't have this behaviour in 5.1-RELEASE.

Does it do this all the time or only after the system has been
suspended and resumed? If so, take a look at
http://www.freebsd.org/cgi/query-pr.cgi?pr=55395. I know Orion has
looked at it, but I don't know when he might have a fix for it.

You might check the value of hw.snd.pcm0.ac97rate. If it is not 48000,
try setting it to that value.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634



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