On Monday 15 November 2004 06:42, MINOURA Makoto wrote:

> MPACPI first probes the processors from ACPI MADT (detects
> cpu0 and cpu1).  After that it gives to configure busses
> from the ACPI DSDT since it finds your ACPI BIOS listed on
> the acpi_quirks table.  The kernel has to fall back to
> MPBIOS but your kernel does not have it enabled  (here the
> kernel had to report it and should panic IMHO).  The kernel
> misunderstands that it does not yet configured the
> processors and falls back to uniprocessor mode (detects cpu2).

I would far rather see the kernel not panic if it is possible to continue 
booting.  That way, a new kernel can be built and installed without looking 
lame.

--Michael