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    SubjectRe: 32bit binaries on x86_64/Xen segfaults in syscall-vdso
    On Fri, Sep 04, 2009 at 09:07:39AM -0700, Jeremy Fitzhardinge wrote:
    > But for some reason that's triggering a failsafe callback, which invokes
    > a GP.

    Hmm, not in my tests. It always returned to userspace correctly and died
    some operations later, usually the "ret". This then produced either a
    segfault (unreadable address), sigill (if it managed to reach the ELF
    header of the or a GPF.


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