Re: early exception error

[david]

On Wed, 31 Dec 2008, Cyrill Gorcunov wrote:

> [david@xxxxxxx - Wed, Dec 31, 2008 at 12:07:33PM -0800]
> > On Wed, 31 Dec 2008, Cyrill Gorcunov wrote:
> >
> > > [david@xxxxxxx - Wed, Dec 31, 2008 at 11:12:12AM -0800]
> > > > On Wed, 31 Dec 2008, Cyrill Gorcunov wrote:
> > > >
> > > > > [david@xxxxxxx - Tue, Dec 30, 2008 at 05:39:29PM -0800]
> > > > > > so it looks like this is in alloc_bootmem_core in both cases.
> > > > > >
> > > > > > David Lang
> > > > >
> > > > > Along with Andi's proposed earlyprintk=vga I think
> > > > > bootmem_debug option could be usefull here too.
> > > >
> > > > adding bootmem_debug creates so much additonal output that the oops
> > > > scrolls off the screen (except the last 'paragraph' of it)
> > > >
> > > > it looks like it's individual items being allocated (trying to scan it as
> > > > it scrolled by)
> > >
> > > 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?
> >
> > http://linux.lang.hm/linux/IMG00030.jpg
> >
> > I'll try rebuilding with a bigger nodemap size and let you know
> >
> > David Lang
>
> also you could just pass numa=off and check if it help.
> (even if it help it would not mean that problem are gone
> but become hidden)

with numa=off the system looks like it gets a bit further

http://linux.lang.hm/linux/IMG00031.jpg

this is with framebuffer disabled, earlyprintk=vga bootmem_debug numa=off

David Lang
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