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    SubjectRe: Hang in work_resched
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    On Thu, 2008-01-31 at 12:29 +0100, Guillaume Chazarain wrote:
    > On Jan 31, 2008 9:55 AM, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
    > > Does this patch from thomas fix it as well?
    >
    > Unfortunately, not.
    >
    > For information, reverting just the first part of the offending commit
    > (sl->timer.cb_mode) fixed the problem, while reverting only the second
    > part (if (!hrtimer_active(&t->timer))) had no effect.
    >
    > Also, I found a trivially reproductible testcase : sleep 0.
    >
    > It hangs in nanosleep({0, 0}).

    works for me :-( (x86_64 rawhide userspace)

    Could you send your .config?



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