From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753441Ab1GHA3Q (ORCPT ); Thu, 7 Jul 2011 20:29:16 -0400 Received: from e6.ny.us.ibm.com ([32.97.182.146]:55475 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753098Ab1GHA3O (ORCPT ); Thu, 7 Jul 2011 20:29:14 -0400 Date: Thu, 7 Jul 2011 17:29:03 -0700 From: "Paul E. McKenney" To: julie Sullivan 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, torvalds@linux-foundation.org Subject: Re: PROBLEM: 3.0-rc kernels unbootable since -rc3 Message-ID: <20110708002903.GI6014@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <201107072047.14429.kernelmail.jms@gmail.com> <20110707195845.GD6014@linux.vnet.ibm.com> <201107072147.12751.kernelmail.jms@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201107072147.12751.kernelmail.jms@gmail.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 07, 2011 at 09:47:03PM +0100, julie Sullivan wrote: > > What happens if you revert only these two? > > > > f8b7fc6b514f34a51875dd48dff70d4d17a54f38 rcu: Move RCU_BOOST #ifdefs to > > header f a46e0899eec7a3069bcadd45dfba7bf67c6ed016 rcu: use softirq instead > > of kthreads ex > > > > If that works, perhaps we should try to break down a46e0899ee into > > smaller pieces to see what is causing the trouble. > > OK, if I revert those two only on v3.0-rc4, it boots. Very good. I have created a new jms.2011.07.07a branch in the -rcu git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git Could you please try out the six commits on that branch and let me know which of them work for you? Thanx, Paul