From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751289AbWF2UQd (ORCPT ); Thu, 29 Jun 2006 16:16:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751290AbWF2UQd (ORCPT ); Thu, 29 Jun 2006 16:16:33 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:53662 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S1751289AbWF2UQb (ORCPT ); Thu, 29 Jun 2006 16:16:31 -0400 Date: Thu, 29 Jun 2006 22:11:45 +0200 From: Ingo Molnar To: "Paul E. McKenney" Cc: Dipankar Sarma , linux-kernel@vger.kernel.org, Ananth N Mavinakayanahalli , Prasanna Panchamukhi Subject: Re: [PATCH] 2.6.17-rt1 : fix x86_64 oops Message-ID: <20060629201144.GA24287@elte.hu> References: <20060627200105.GA13966@in.ibm.com> <20060628182137.GA23979@in.ibm.com> <20060628193256.GA4392@elte.hu> <20060628200247.GA7932@in.ibm.com> <20060629142442.GA11546@elte.hu> <20060629163236.GD1294@us.ibm.com> <20060629194145.GA2327@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060629194145.GA2327@us.ibm.com> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: -3.1 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-3.1 required=5.9 tests=ALL_TRUSTED,AWL,BAYES_50 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts 0.0 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.5000] 0.2 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Paul E. McKenney wrote: > > This was on i386, x86_64, or on something else? > > > > Ah! This would have been a CONFIG_PREEMPT build, right? > > OK, I ran this with both torture types (rcu and rcu_bh) on i386 with > CONFIG_PREEMPT=y on 2.6.17-mm4 and didn't see any "scheduling while > atomic" oopses -- or any other oopses, for that matter. > > Here is the .config file I used. What am I missing here? hm, i'm seeing some other types of crashes too - so rcutorture could just have been collateral damage. It was on i386, an allyesconfig bzImage kernel. Ingo