Andy Whitcroft wrote:

> We see to have a few options:
> 
> 1) default the nid to something -- right now most of the non powerpc
> architectures return 0 when the nid cannot be found thus avoiding this
> panic.
> 
> 2) nid search -- we can do pretty much what is in this patch probabally
> with some optimisations like trying the first and last pfn in the
> section first.
> 
> 3) record the nid -- when we record the memory present in the system we
> are passed the nid.
> 
> Somehow the last of these seems the most logical given we have the
> correct information at the time we record that we need to instantiate
> the section.  So I had a quick go at something which seems to have come
> out pretty clean.  Attached is a completly untested patch to show what I
> am proposing.

Ok.  Attached is a version which builds and boots.  The patch looks
pretty simple.  Michael could you give it a spin on the broken machine
for me.

-apw