On Fri, 5 Jul 2013, Seiji Aguchi wrote:
> > -----Original Message-----
> > Hmmm... this makes me wonder if the interrupt tracepoint stuff is at
> > fault here, as it changes the IDT handling for NMI context.
>
> This softlockup happens while disabling the interrupt tracepoints,
> Because if it is enabled, "smp_trace_apic_timer_interrupt" is displayed
> instead of "smp_apic_timer_interrupt" in the call trace below.
>
> But I can't say anything how this issue is related to the tracepoint stuff,
I doubt it is related. I rather suspect that trinity is able to fuzz
perf into a DoS facility.
Dave, can you trace the perf sys calls and dump that data over serial
when the softlockup hits?
Thanks,
tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
