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Date: Thu, 25 Aug 2005 11:21:41 -0500
From: Mark Kane <mark@mkproductions.org>
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To: Roland Smith <rsmith@xs4all.nl>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Performance Issues with AMD64 3000+, 1.5GB RAM,
	FreeBSD 5.4-RELEASE
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Roland Smith wrote:
> My amd64 machine does not have this problem. I'm running 5.4-STABLE:
> 
> FreeBSD slackbox.xs4all.nl 5.4-STABLE FreeBSD 5.4-STABLE #0: Wed Aug 10
> 20:25:45 CEST 2005 rsmith@slackbox.xs4all.nl:/usr/obj/usr/src/sys/RFS amd64
> 
> One thing I did do was enlarge the soundcard's DMA buffer in
> /boot/device.hints:
> 
> # Larger DMA buffer for the soundcard, for better sound quality.
> hint.pcm.0.buffersize="16384"

Hey Roland. Yeah, back when I was looking into amd64 vs i386 version and 
had a thread going that you replied to, I checked out your website and 
saw your FreeBSD settings. :)

I tried that device.hints setting on my backup Athlon XP 2000+ machine 
with just onboard sound and that seemed to make it worse. Maybe because 
it was crummy onboard. This machine runs an Audigy 2 Platinum.

If it was just the sound doing this and not the mouse and display 
freezing as well as any video playing then I think it would be much 
easier to troubleshoot and pinpoint.

I could try -STABLE on that spare hard drive though.

Thanks.

-Mark

P.S. On an unrelated note, is there any "changelog" or anything for 
-STABLE to see what changes have been made?