From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753952AbaIBNmM (ORCPT ); Tue, 2 Sep 2014 09:42:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:5578 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752611AbaIBNmL (ORCPT ); Tue, 2 Sep 2014 09:42:11 -0400 Date: Tue, 2 Sep 2014 09:41:39 -0400 From: Dave Jones To: Frederic Weisbecker Cc: Catalin Iacob , Peter Zijlstra , Linux Kernel Subject: Re: nohz fail (was: perf related boot hang.) Message-ID: <20140902134139.GA6579@redhat.com> Mail-Followup-To: Dave Jones , Frederic Weisbecker , Catalin Iacob , Peter Zijlstra , Linux Kernel References: <20140811200931.GA18865@redhat.com> <1408566691-3023-1-git-send-email-iacobcatalin@gmail.com> <20140822140009.GA8567@redhat.com> <20140901201429.GA1586@lerouge> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140901201429.GA1586@lerouge> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 01, 2014 at 10:14:31PM +0200, Frederic Weisbecker wrote: > 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 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? Sure, I haven't seen any recurrance of this since applying your patches. Dave