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Date: Wed, 09 Jul 2003 11:38:34 -0400 (EDT)
From: John Baldwin <jhb@FreeBSD.org>
To: Jens Rehsack <rehsack@liwing.de>
cc: Andrey Chernov <ache@nagual.pp.ru>
cc: freebsd-current@freebsd.org
cc: Lukas Ertl <l.ertl@univie.ac.at>
Subject: Re: HTT on single CPU?
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On 09-Jul-2003 Jens Rehsack wrote:
> Andrey Chernov wrote:
> 
>> On Tue, Jul 08, 2003 at 13:13:44 -0400, John Baldwin wrote:
>> 
>>>You need to enable SMP and APIC_IO in your kernel to use HTT.  Also,
>>>the BIOS setting probably won't make a difference.
>>>
>> 
>> 
>> I have both APIC and HTT flags in my P4, but when I try to load kernel
>> compiled with APIC_IO and SMP, I got panic:
>> 
>> pmap_bootstrap: no local apic! (non-SMP hardware?)
>> 
>> Is it motherboard or BIOS? I have no Hyperthreading setting in the BIOS,
>> but PIC or APIC modes (both not works with MP kernel). Motherboard is ASUS 
>> P4B533.
> 
> Hm, I get a really other behaviour, but the result is no having two cpu's:

Your CPU does not support HTT.  Note the lack of a 'Hyperthreading: 2 logical CPUs'
line in your dmesg output after the Features= line.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/