From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756039AbYKEQbW (ORCPT ); Wed, 5 Nov 2008 11:31:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752504AbYKEQbA (ORCPT ); Wed, 5 Nov 2008 11:31:00 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:50403 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752994AbYKEQa7 (ORCPT ); Wed, 5 Nov 2008 11:30:59 -0500 Date: Wed, 5 Nov 2008 17:30:52 +0100 From: Ingo Molnar To: Steven Rostedt Cc: Heiko Carstens , Peter Zijlstra , linux-kernel@vger.kernel.org Subject: Re: bug: ftrace & lockdep badness Message-ID: <20081105163052.GA28884@elte.hu> References: <20081105123714.GA23504@osiris.boeblingen.de.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00,DNS_FROM_SECURITYSAGE autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] 0.0 DNS_FROM_SECURITYSAGE RBL: Envelope sender in blackholes.securitysage.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Steven Rostedt wrote: > This is the type of problems we deal with when we have the tracer > tracing lockdep code at the same time the lockdep code is checking > the tracer. ok ... you are right, i guess we need to go back to raw locks after all? Ingo