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SubjectRe: Yet more softlockups.
On Fri, Jul 05, 2013 at 05:15:07PM +0200, Thomas Gleixner wrote:
> On Fri, 5 Jul 2013, Dave Jones wrote:
>
> > BUG: soft lockup - CPU#3 stuck for 23s! [trinity-child1:14565]
> > perf samples too long (2519 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
> > INFO: NMI handler (perf_event_nmi_handler) took too long to run: 238147.002 msecs
>
> So we see a softlockup of 23 seconds and the perf_event_nmi_handler
> claims it did run 23.8 seconds.
>
> Are there more instances of NMI handler messages ?

[ 2552.006181] perf samples too long (2511 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
[ 2552.008680] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 500392.002 msecs

Dave



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