Re: [git pull] tracing fixes

From: Steven Rostedt
Date: Fri Jul 18 2008 - 21:18:57 EST

On Fri, 18 Jul 2008, Ingo Molnar wrote:
> ok, figured it out today: the lockups were due to the NMI watchdog and a
> missing NMI protection in cpu_clock(). I've reactivated the topic that
> solves this problem area and it all works fine now.
> the sched.o change probably made a difference just because it reduced
> the cross section between the NMI watchdog and the scheduler, making
> lockups less likely during the ftrace self-test. I'll revert it once the
> tracing/nmisafe is upstream.


Thanks a lot for looking into this.

-- Steve

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