Re: [Xen-devel] Xen-unstable panic: FATAL PAGE FAULT

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> On 01.09.10 at 10:49, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> Okay, my next guess then is that we are deleting a chunk from the wrong list
> head. I don't see any check that the adjacent chunks we are considering to
> merge are from the same node and zone. I suppose the zone logic does just
> work as we're dealing with 2**x aligned and sized regions. But, shouldn't
> the merging logic in free_heap_pages be checking that the merging candidate
> is from the same NUMA node? I see I have an ASSERTion later in the same
> function, but it's too weak and wishful I suspect.

Hmm, we're keeping a page reserved if node boundaries aren't
well aligned (at the end of init_heap_pages()), so that shouldn't
be possible.

MaoXiaoyun: Would it be possible that we get to see a *full* boot
log (at maximum log level), so we know the characteristics of the
machine?

Jan


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