Messages in this thread | | | Date | Sat, 21 Mar 2009 11:01:29 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 0/5] [GIT PULL] updates for tip/tracing/ftrace |
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* 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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