Re: Dual P4 2.4Ghz Xeon With Hyperthreading enabled...

Hi Brooks,

Thanks for responding...

However I'm confused by the terms used.  Are you saying if I set it to 0, I
would be using the processing power of all CPU's?  I'm not sure how this
halted comes in to play, cuz the only thing that comes to mind is to halt
the machine as in shutdown....  I'm probably confusing terms here... can you
expand and clarify?  I just want to make sure what this all means.  Also is
this an option that can be modified via sysctl -w and the /etc/sysctl.conf
file ?  Or is this going to have to be set in a boot option?

----- Original Message ----- 
From: "Brooks Davis" <brooks_at_one-eyed-alien.net>
Newsgroups: mailing.freebsd.current
Sent: Tuesday, August 12, 2003 5:05 PM
Subject: Re: Dual P4 2.4Ghz Xeon With Hyperthreading enabled...


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> On Tue, Aug 12, 2003 at 05:05:49PM -0600, Stephane Raimbault wrote:
> > Hi Brooks,
> >=20
> > I'm curious, what should that option be set to if one does have an SMP
> > kernel running on 2x 2.4Ghz Xeon Processors (Hyper thread enabled)
> >=20
> > Mine is currently set to
> > machdep.hlt_logical_cpus: 1
>
> Set it to 0 if you don't want them halted.
>
> -- Brooks
>
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