* Andi Kleen <[email protected]> wrote:
> On Tuesday 02 May 2006 09:06, Ingo Molnar wrote:
> >
> > * Andi Kleen <[email protected]> wrote:
> >
> > > Ingo Molnar <[email protected]> writes:
> > >
> > > > FYI, even on 2.6.17-rc3 i get the one below. v2.6.17 showstopper i
> > > > guess?
> > >
> > > Did you send a full boot log?
> >
> > yes, in the previous mail, in the same thread. (maybe lkml ate it - it's
> > an allyesconfig bootup so a large bootlog and a large config) I've also
> > uploaded them to:
> >
> > http://redhat.com/~mingo/misc/
> >
> > debug-pagealloc.patch is the debug patch i made based on Nick's earlier
> > suggestions.
> >
> > > If it's using ACPI NUMA try numa=noacpi - it might be some problem
> > > with the node discovery on your machine.
> >
> > this is a non-NUMA box (Athlon64 X2 desktop machine).
>
> Oh that's a 32bit kernel. I don't think the 32bit NUMA has ever worked
> anywhere but some Summit systems (at least every time I tried it it
> blew up on me and nobody seems to use it regularly). Maybe it would be
> finally time to mark it CONFIG_BROKEN though or just remove it (even
> by design it doesn't work very well)
what you saw before could easily be this particular bug - the zones are
apparently mis-sized (aligned to 1MB while they need to be aligned to
4MB), which causes quick and nasty crashes under light user load.
Ingo
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