Re: nohz fail (was: perf related boot hang.)

From: Frederic Weisbecker
Date: Mon Sep 01 2014 - 16:14:51 EST


On Fri, Aug 22, 2014 at 10:00:09AM -0400, Dave Jones wrote:
> On Fri, Aug 22, 2014 at 08:01:48AM +0200, Catalin Iacob wrote:
> > On Thu, Aug 21, 2014 at 4:56 PM, Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
> > > Can you please test the series I just posted: "[RFC PATCH 0/9] nohz:
> > > Nohz full kick fixes"?
> >
> > Before applying the series I tried one more Firefox build which
> > triggered the panic after less than 5 minutes.
> >
> > After applying the series I did 2 full builds (around 60 minutes in
> > total) with no problem.
>
> Seems to be working fine here too after fuzzing for 17 hours so far.

Thanks a lot for testing this guys!

I'll send "nohz: Restore NMI safe local irq work for local nohz kick"
as a fix for 3.17 and the rest will have to wait for 3.18 as it's a complicated
fix for a long standing bug.

Can I apply your Tested-by from you both?

Thanks.
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