Re: rcu_preempt self-detected stall on CPU from 4.5-rc3, since 3.17

From: Peter Zijlstra
Date: Mon Mar 28 2016 - 02:31:27 EST

On Sun, Mar 27, 2016 at 02:09:14PM -0700, Paul E. McKenney wrote:

> > Does that system have MONITOR/MWAIT errata?
> On the off-chance that this question was also directed at me,

Hehe, it wasn't, however, since we're here..

> here is
> what I am running on. I am running in a qemu/KVM virtual machine, in
> case that matters.

Have you actually tried on real proper hardware? Does it still reproduce