Re: HTT on single CPU?

From: M. Warner Losh <imp_at_bsdimp.com>
Date: Wed, 09 Jul 2003 16:03:22 -0600 (MDT)
In message: <3F0C8F20.6040102_at_liwing.de>
            Jens Rehsack <rehsack_at_liwing.de> writes:
: M. Warner Losh wrote:
: 
: > In message: <20030709150718.GC28375_at_Odin.AC.HMC.Edu>
: >             Brooks Davis <brooks_at_one-eyed-alien.net> writes:
: > : P4's below ~3.1GHz do not actually provide logical CPU support.
: > 
: > We have several 2.4GHz parts that appear to contradict this
: > statement.  However, we can't use HTT w/o a proper motherboard that
: > supports HTT CPUs.
: 
: How can I found out whether a board supports HTT or not?
: I haven't seen it in none description I checked. Are some
: chipsets (865, 875) always ready or is the bios programmer
: the guy who must activate this feature?

Boot a SMP kernel.  If you get a panic, your board doesn't support
it. :-)  We've seen some mobos that just work, while others have
a really ****ed up MPTABLE which makes it hard/impossible for FreeBSD
to support things.

Warner
Received on Wed Jul 09 2003 - 13:03:25 UTC

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