On Thu, Jul 13, 2006 at 12:42:00AM +0200, Matthias Drochner wrote:
> I don't understand all the details yet, but MP systems need some
> pieces of memory mapped with execute permission; see the appended
> patch.

Oh, I forgot to mention that your patch makes GENERIC.MP boot successfully
on my machine. It seems to be down to the combination of MULTIPROCESSOR
and ACPI that's failing now. ACPI uniproc works fine, as does non-ACPI
MP.