Andrew Morton wrote:

> Gad.  A null pointer deref right in the main path of the page allocator.
>
> Presumably something has gone wrong with the core MM initialisation on
> that kernel.  Could you please work out the exact file-n-line of the
> oops?  Build the kernel with CONFIG_DEBUG_INFO and do

Hi Andrew,

I've tracked down the problem. The 2.6.19.2-SMP vanilla kernel
compiled with CONFIG_MEMORY_HOTPLUG=y causing mentioned oops
on uniprocessor machine.

BR,
Pawel.