From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751613Ab1GTKuD (ORCPT ); Wed, 20 Jul 2011 06:50:03 -0400 Received: from mail001.aei.ca ([206.123.6.130]:38837 "EHLO mail001.aei.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750979Ab1GTKuC (ORCPT ); Wed, 20 Jul 2011 06:50:02 -0400 From: Ed Tomlinson To: paulmck@linux.vnet.ibm.com Subject: Re: [PATCH rcu/urgent 0/6] Fixes for RCU/scheduler/irq-threads trainwreck Date: Wed, 20 Jul 2011 06:49:57 -0400 User-Agent: KMail/1.13.7 (Linux/3.0.0-rc7-crc+; KDE/4.6.5; x86_64; ; ) Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, darren@dvhart.com, patches@linaro.org, greearb@candelatech.com References: <20110720001738.GA16369@linux.vnet.ibm.com> <201107192207.33813.edt@aei.ca> <20110720044435.GB2400@linux.vnet.ibm.com> In-Reply-To: <20110720044435.GB2400@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201107200649.58956.edt@aei.ca> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 20 July 2011 00:44:35 Paul E. McKenney wrote: > On Tuesday 19 July 2011 20:17:38 Paul E. McKenney wrote: > > > > Paul, > > > > Two things to add. Its possible an eariler error is missing from the log below. My serial console was missing > > entries from before '0 and 40ish' and I did think I saw a bunch of FFFFFFFs scroll by eariler... > > > > Second, booting with threadirqs and boost enabled in .config with patches 2,5,6 is ok so far. > > Patches 3 and 4 resulted in failures? (Patch 1 certainly did.) I tried with all 7 and got an unstable system. decided to add use the two I had already tested and add one at a time. Things seem ok with 2 (fix boost). I've not tried with 2, 3,4,5,6. Given that you have changed patch 1, I'll reboot with all 7 again. Ed