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Date: Tue, 20 Sep 2005 11:49:31 +0200
From: Claus Guttesen <kometen@gmail.com>
To: "rvenne@dental-on-line.fr" <rvenne@dental-on-line.fr>
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Cc: freebsd-stable@freebsd.org
Subject: Re: smp on dell poweredge freeze: 5.4 p7
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> >What PowerEdge-model is it, dual or quad? If dual, did you try to
> >disable HTT in BIOS?
>
> poweredge 1850 bi cpu xeon 2.8
> what's the HTT????

It's hyper-threading, the cpu have some extra registers, so the cpu
can get some more work done (in theory) during one cpu-cycle. But most
of the time the improved performance is neglible. If HTT is enabled
one cpu will show up as two logical cpu's.

So try to disable HTT in BIOS.

regards
Claus