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    SubjectRe: Blast and data miscompare
    Jake Moilanen writes:

    > Not sure if it's the same problem. But we were seeing a miscompare on
    > 2.4 due to a incorrect COW happening, followed by a hardware hash hole
    > w/ PPC64.
    >
    > To fix it we had to make sure that the PTE was cleared and the TLB's
    > flushed before the new PTE was established.
    >
    > Martin, was this fixed on 2.6?

    It can't happen on 2.6; when BenH rewrote the PTE handling in 2.6
    earlier this year, this was one of the things we made sure couldn't be
    a problem.

    Paul.
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