On Tue, Jul 09, 2013 at 06:49:29PM -0400, Sasha Levin wrote:
> On 07/09/2013 06:47 PM, Dave Jones wrote:
> > > [ 2536.500130] INFO: NMI handler
> > (arch_trigger_all_cpu_backtrace_handler) took too long to run:
> > > 697182.008 msecs
> >
> > I've been reporting these (and other traces) for a while
> > https://lkml.org/lkml/2013/7/5/185 [1]
> > on bare-metal.
>
> Interesting. It's the first time I'm seeing these, but I haven't really
> changed
> anything in my configuration.
>
> Are you also seeing the "NMI handler took too long" messages?
Now that I look closer, one difference is you're seeing
arch_trigger_all_cpu_backtrace_handler
in that message. I'm seeing them from perf_event_nmi_handler.
Dave
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