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Date: Tue, 13 Dec 2005 14:23:58 -0500
From: Sean <rsh.lists@comcast.net>
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Cc: FreeBSD <freebsd-questions@freebsd.org>
Subject: Re: Multiple CPUs
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Robert Fitzpatrick wrote:
> I guess this means my new server is only using one of my CPUs?
> 
> esmtp# grep CPU /var/log/dmesg.today
> CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2399.33-MHz 686-class CPU)
>   Hyperthreading: 2 logical CPUs
> cpu0: <ACPI CPU (2 Cx states)> on acpi0
> 
> Can someone point me to the best doc for enabling use of both CPUs on
> the FreeBSD 5.4 server? I assume the kernel needs built with options.
> 
> --
> Robert
> 
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You need

options		SMP			# multi processor support

in your kernel config when you build it.
Check here as a start.
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html

			Sean