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Date: Wed, 9 Mar 2005 11:30:21 +0100 (CET)
From: Claus Guttesen <cguttesen@yahoo.dk>
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Subject: Re: FreeBSD 5.3 et multiprocessor
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> The nasty surprise being which I note a notable
> reduction in the performances. 
> The machine is a HP LT6000r, quadri Xeon 700 with
> 2Go of RAM. 
> 
> The results are appreciably the same ones with a
> kernel including or not 
> "options SMP". 

Did you copy GENERIC to a new file and performed the
required changes to this new file, or did you change
and  recompiled GENERIC?

What does dmesg give you?

regards
Claus