Re: NMI watchdog

[Steven Rostedt]

--
On Fri, 12 Oct 2007, John Sigler wrote:
> Steven Rostedt wrote:
>
> > John Sigler wrote:
>  > APIC timer registered as dummy, due to nmi_watchdog=1!
> 213a216,217
>  > Clockevents: could not switch to one-shot mode: lapic is not functional.
>  > Could not switch to high resolution mode on CPU 0
>
> Do you know why nmi_watchdog=1 disables high-resolution timers?
>
> And why nmi_watchdog=1 implies APIC timer registered as dummy?

Crap, I forgot about that. Thomas explained why to me once, and I forgot.

Does it still crash? If not, does it crash if you turn off highres?

Or better yet, try turning off dynamic-ticks. We had a bug once before
that had a problem with the new RCU code and dynamic ticks.

-- Steve
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