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 -- To unsubscribe from this list: send the line "unsubscribe trinity" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html