Date: Wed, 09 Jul 2003 11:38:34 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: Jens Rehsack <rehsack@liwing.de> Cc: Lukas Ertl <l.ertl@univie.ac.at> Subject: Re: HTT on single CPU? Message-ID: <XFMail.20030709113834.jhb@FreeBSD.org> In-Reply-To: <3F0C0ED6.4030202@liwing.de>
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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/
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