From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755458Ab1ATMAM (ORCPT ); Thu, 20 Jan 2011 07:00:12 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:56266 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755255Ab1ATMAJ (ORCPT ); Thu, 20 Jan 2011 07:00:09 -0500 Date: Thu, 20 Jan 2011 13:00:01 +0100 From: Ingo Molnar To: Tejun Heo Cc: Linus Torvalds , Linux Kernel Mailing List , Thomas Gleixner , "H. Peter Anvin" , Peter Zijlstra , Andrew Morton , Pekka Enberg Subject: Re: [PATCH 1/2] lockdep: move early boot local IRQ enable/disable status to init/main.c Message-ID: <20110120120001.GA32671@elte.hu> References: <20110119120200.GA1057@elte.hu> <20110120110635.GB6036@htj.dyndns.org> <20110120111149.GD6036@htj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110120111149.GD6036@htj.dyndns.org> 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=3.2.5 -2.0 BAYES_00 BODY: Bayesian 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 * Tejun Heo wrote: > So, it's either the early enabling of local IRQ by on_each_cpu() > breaking something in the IRQ subsystem or something different. Ingo, > can you please see whether these two patches cure the panic too? They seem to help with the MAXSMP config that crashed yesterday. I'll be able to do more testing and see whether the bug is really fixed once the modular kernel build failure is fixed. Thanks, Ingo