:>The pointers in the last few entries of the vm_page_buckets array got
:>corrupted when an agument to a function that manipulated whatever was next
:>in ram was 0, and it turned out that it was 0 because
:> of some PTE flushing thing (you are the one that found it... remember?)
:
:I think I've also seen a few reports of programs exiting with
:"Profiling timer expired" messages with 4.4. These can be caused
:by stack overflows, since the p_timer[] array in struct pstats is
:one of the things that I think lives below the per-process kernel
:stack. I wonder if they are related? Stack overflows could result
:in corruption of local variables, after which anything could happen.
:
:That said, hardware problems are still a possiblilty.
:
:Ian
Hmm. Do we have a guard page at the base of the per process kernel
stack?
-Matt
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