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    SubjectRe: [PATCH 0/5] [GIT PULL] updates for tip/tracing/ftrace

    * Steven Rostedt <rostedt@goodmis.org> wrote:

    >
    > On Fri, 20 Mar 2009, Frederic Weisbecker wrote:
    > > > >
    > > > > VERBOSE_PRINTK_STRING("rcu_torture_reader task started");
    > > > > - set_user_nice(current, 19);
    > > > > + set_user_nice(current, -1);
    > > > > if (irqreader && cur_ops->irqcapable)
    > > > > setup_timer_on_stack(&t, rcu_torture_timer, 0);
    > > >
    > > > i dont have a reproducer right now. Can you trigger it with latest
    > > > -tip, which has this commit included:
    > > >
    > > > 04cb9ac: rcu: rcu_barrier VS cpu_hotplug: Ensure callbacks in dead cpu are migrated to o
    > > >
    > > > ?
    > > >
    > > > Ingo
    > >
    > >
    > > I tested three times the same things but with 04cb9ac and... it didn't triggered
    > > anymore :-)
    >
    > So lets hope that was the culprit.
    >
    > Great work Frederic!

    No new lockups of this nature in overnight -tip testing. It's still
    a bit too early to tell for sure but it's promising ;-)

    Ingo


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