Re: early exception error

[david]

On Thu, 1 Jan 2009, Andi Kleen wrote:

> On Wed, Dec 31, 2008 at 12:59:08PM -0800, david@xxxxxxx wrote:
> > On Wed, 31 Dec 2008, Andi Kleen wrote:
> >
> > > > on the picture you sent me i noticed the message
> > > > "Your memory is not aligned you need to rebuild your
> > > > kernel with bigger NODEMAP SIZE shift=20" and then
> > > > srat code complains about "No NUMA code hash function found"
> > > > which looks a bit scary. Btw, could you post this picture
> > > > on some public resource so NUMA people could check it?
> > >
> > > This case used to be handled cleanly (NUMA disabled), but perhaps
> > > that has regressed. But still it sounds like something is going wrong,
> > > unless his machine really has a very weird memory map.
> >
> > it shouldn't, it was one of the high-volume servers 4-5 years ago and only
> > has 4G of ram in it
>
> From looking at the screenshot Cyrill sent you seem to have a funny
> SRAT with overlapping areas that is rejected in the end. I suspect the
> fallback code doesn't handle this properly.
>
> Does it work when you boot with numa=noacpi ?

it gets past the point where the bootmemory_debug messages flow by, but I 
get another oops (snapshot of the screen is at 
http://linux.lang.hm/linux/IMG00031.jpg )

David Lang
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