> -----Original Message-----
> From: Nakajima, Jun
> Sent: Wednesday, March 19, 2003 6:51 PM
> To: James Wright; linux-kernel@vger.kernel.org
> Subject: RE: P4 3.06Ghz Hyperthreading with 2.4.20?
>
> You need to apply the ACPI patch: http://sourceforge.net/projects/acpi and
> *configure* APIC.
>
> The 2.4 kernel depends on the MPS table for all but logical processors. If
> MPS table is not present, it will fall back to UP.
>
> Thanks,
> Jun
>
> > -----Original Message-----
> > From: James Wright [mailto:james@jigsawdezign.com]
> > Sent: Wednesday, March 19, 2003 5:34 PM
> > To: linux-kernel@vger.kernel.org
> > Subject: P4 3.06Ghz Hyperthreading with 2.4.20?
> >
> > Hello,
> >
> > I have kernel 2.4.20 with a single P4 3.06Ghz CPU and Asus P4G8X
> > motherboard
> > (with the Intel E7205) Chipset. I have enabled Hyperthreading in the
> BIOS
> > options,
> > compiled in SMP & ACPI support, and also tried adding "acpismp=force" to
> > my lilo
> > kernel cmdline, but it just doesn't seem to detect the second Logical
> CPU.
> > My
> > current theory is that this is bcos Linux expects the motherboard to be
> an
> > SMP
> > item (as with the Xeon boards) but this board is a Single processor
> board,
> > ansd
> > doesn't have an MP table, but the cpu info is held in the ACPI
> tables.?!?
> >
> > I have tried installing 2.5.65 but can't get past the compile due to
> > compile-time
> > errors... Is this a known problem? SHall i just disable Hyperthreading
> > until a new
> > kernel release?
> >
> >
> > Thanks,
> > James
> >
> >
> >
> > -
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