From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752156Ab1EPHKa (ORCPT ); Mon, 16 May 2011 03:10:30 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:52684 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751576Ab1EPHK3 (ORCPT ); Mon, 16 May 2011 03:10:29 -0400 Date: Mon, 16 May 2011 09:10:19 +0200 From: Ingo Molnar To: "Paul E. McKenney" Cc: Yinghai Lu , linux-kernel@vger.kernel.org Subject: Re: [GIT PULL rcu/next] rcu commits for 2.6.40 Message-ID: <20110516071019.GD24836@elte.hu> References: <4DCB8F7A.90603@kernel.org> <20110512092013.GJ2258@linux.vnet.ibm.com> <4DCC52FB.6030500@kernel.org> <4DCC894D.3070204@kernel.org> <20110513084253.GE13647@elte.hu> <20110513121906.GA3676@elte.hu> <20110513130414.GA6863@elte.hu> <20110513131218.GA7669@elte.hu> <20110513144059.GA32554@elte.hu> <20110513163801.GX2258@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110513163801.GX2258@linux.vnet.ibm.com> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Paul E. McKenney wrote: > Are you guys seeing NMIs at about the time the slowdown occurs? None that produces a kernel message. Also, the kernel config has: # CONFIG_LOCKUP_DETECTOR is not set # CONFIG_HARDLOCKUP_DETECTOR is not set # CONFIG_DETECT_HUNG_TASK is not set So the NMI watchdog ought to be off. This system isnt producing spurious NMIs. Thanks, Ingo