From owner-freebsd-questions@FreeBSD.ORG  Mon Jul 17 14:00:50 2006
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Date: Mon, 17 Jul 2006 15:00:44 +0100
From: Alex Zbyslaw <xfb52@dial.pipex.com>
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To: Gareth McCaughan <gmccaughan@synaptics-uk.com>, 
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Subject: Re: "swiN: clock sio" process taking 75% CPU
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Can I suggest that if you get no replies on questions@ that you try 
hackers@ (you may need to subscribe to post, not sure).

What's going on here is not normal so even someone with tons of FreeBSD 
experience may never have seen something like this.  I know I never 
have.  Most posters here are not kernel hackers.

> It would be a shame if the only conclusion to be drawn from this were 
> "sometimes a machine running FreeBSD is just 4x slower than it should 
> be, and no one knows why". 

Well, if you could only find one somewhat relevant topic with google, 
then "sometimes" would be "almost never".  I appreciate that you are 
frustrated because it *is* happening to you, but your problem is not a 
common one so may take more than a post on questions to resolve.

--Alex