"Chen, Kenneth W" <[email protected]> wrote:
>
> Mark Rustad wrote on Friday, March 24, 2006 9:52 AM
> > I have narrowed this down to DEBUG_PAGEALLOC. If that option is
> > enabled, attempts to reference areas mmap-ed from hugetlbfs files
> > fault forever. You can see that I had that set in the failing config
> > I reported below.
>
> Yeah, it turns out that the debug option is not compatible with hugetlb
> page support. That debug option turns off PSE. Once it is turned off in
> CR4, cpu will ignore pse bit in the pmd and causing infinite page-not-
> present fault :-(
I wonder if any of the other architectures which implement both these
features might have problems too.
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