Re: NMI watchdog triggering during load_balance

From: Mike Galbraith
Date: Fri Mar 06 2015 - 14:30:00 EST


On Fri, 2015-03-06 at 11:37 -0700, David Ahern wrote:

> But, I do not understand how the wrong topology is causing the NMI
> watchdog to trigger. In the end there are still N domains, M groups per
> domain and P cpus per group. Doesn't the balancing walk over all of them
> irrespective of physical topology?

You have this size extra large CPU domain that you shouldn't have,
massive collisions therein ensue.

-Mike

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