From owner-freebsd-questions  Thu Feb  7  9:11:59 2002
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To: Ada Cheng <acheng@e-math.ams.org>
Cc: questions@FreeBSD.ORG
Subject: Re: A few questions before I recompile my kernel 
In-reply-to: Your message of "Wed, 06 Feb 2002 09:09:52 EST."
             <20020206084652.M7983-100000@infinity.kettering.edu> 
Date: Thu, 07 Feb 2002 09:11:52 -0800
From: "Kevin Oberman" <oberman@es.net>
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> Date: Wed, 6 Feb 2002 09:09:52 -0500 (EST)
> From: Ada Cheng <acheng@e-math.ams.org>
> Sender: owner-freebsd-questions@FreeBSD.ORG
> 
> Good morning,
> 	First a bit of info on my box:
> Dell Dimension Workstation dual 1.5GHz  Xeon processor
> Integrated Analog Devices AD1885 AC'97 audio (This comes with the system,
> I called customer service for this info)
> Running 4.4-stable
> 
> My kernel presently has:
> device pcm
> 
> dmesg reveals:
> pcm0: <Intel 82801BA (ICH2)> port 0xcc40-0xcc7f,0xc800-0xc8ff irq 11 at
> device 31.5 on pci0.
> 
> and cat /dev/sndstat gives:
> FreeBSD Audio Driver (newpcm) Nov  7 2001 15:52:15
> Installed devices:
> pcm0: <Intel 82801BA (ICH2)> at io 0xc800, 0xcc40 irq 11 (1p/2r/0v channels duplex)
> 
> 
> I have also install realplayer 8.
> 
> 
> My problem: Sound from real audio files and mp3 are at super speed.
> Regular cd playing is fine.
> 
> After searching through the archives I notice that people with the AC'97
> audio has it appear in the <> bracket on the line pcm0.  Mine didn't.
> (is that a problem??)
> 
> Secondly, I also notice some people add the line
> device csa
> in their kernel although there was no explaination as to why that was
> needed.  So I am thinking of doing that.  Is that necessary?
> 
> Finally, there was also the mentioning of the ich.c driver.
> 
> I notice the file in /usr/src/sys/dev/sound/pic and the line
> dev/sound/pci/ich.c optional pcm psi
> is already included in /usr/src/sys/conf/files
> 
> Do I need to `load' the driver??  If so, how?

Running 4.5-stable, my sound now works (more or less). The speed
problem is gone. The "device busy" is intermittent. 

I am using realplay with the setting for either old OSS drivers or
native drivers. Both seem to work. Selecting ESound Support always
gives me the device busy error. Running enlightenment audio on also
seems to produce the device busy errors.

The sound card settings are at the default.

So you can fix the "fast audio" problems on the 82801BA in most recent
Dell systems by upgrading to 4.5-stable and PROBABLY 4.5-release.

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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