[PlanetCCRMA] kernel misadventures!

Fernando Pablo Lopez-Lezcano nando@ccrma.Stanford.EDU
Sun Oct 24 16:11:01 2004

On Fri, 2004-10-22 at 05:42, Joe Hartley wrote:
> Rule number one, folks - if you want to build yourself a kernel, do
> *NOT* overwrite your existing kernel, and do your builds in a COPY
> of the source tree!!
> Fernando, Planet CCRMA got me out of a sticky situation, thanks again
> for making this resource available!

Sure, glad it helped..

> Now, a few questions...
>    Since I now have a P4 with the prescott core on an ASUS P4P800-SE
> motherboard, I can in theory use hyperthreading, but I've been unable
> to get it to work in practice.
> When I boot into the 2.4.26-1.ll.rh90.ccrmasmp kernel, there's an
> error, as shown by dmesg:
>           . . .
> found SMP MP-table at 000ff780
> hm, page 000ff000 reserved twice.
> hm, page 00100000 reserved twice.
> hm, page 000f1000 reserved twice.
> hm, page 000f2000 reserved twice.
> On node 0 totalpages: 262064
> zone(0): 4096 pages.
> zone(1): 225280 pages.
> zone(2): 32688 pages.
> Intel MultiProcessor Specification v1.4
>     Virtual Wire compatibility mode.
> OEM ID: ASUSTeK  Product ID: P4P800SE     APIC at: 0xFEE00000
> I/O APIC #13 Version 32 at 0xFEC00000.
> Enabling APIC mode: Flat.       Using 1 I/O APICs
> SMP mptable: no processors registered!
> BIOS bug, MP table errors detected!...
> ... disabling SMP support. (tell your hw vendor)
>           . . .
> Has anyone gotten a Prescott P4 to work with the SMP kernel, or should I
> just stick with the tried and true single CPU 2.4.26-1.ll.rh90.ccrma?

I don't know if what I have are prescotts, but I do have P4 machines
booting into the smp kernel... Apparently the kernel thinks there is a
BIOS problem. 

-- Fernando