From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760396Ab2EKPgW (ORCPT ); Fri, 11 May 2012 11:36:22 -0400 Received: from merlin.infradead.org ([205.233.59.134]:49371 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760323Ab2EKPgU convert rfc822-to-8bit (ORCPT ); Fri, 11 May 2012 11:36:20 -0400 Message-ID: <1336750573.1017.25.camel@twins> Subject: Re: Commit cb83b62 fails to boot with a divide by zero error. From: Peter Zijlstra To: Robin Holt Cc: Ingo Molnar , linux-kernel@vger.kernel.org Date: Fri, 11 May 2012 17:36:13 +0200 In-Reply-To: <20120511150533.GH3751@sgi.com> References: <20120511133938.GG3751@sgi.com> <1336746790.1017.17.camel@twins> <20120511150533.GH3751@sgi.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2012-05-11 at 10:05 -0500, Robin Holt wrote: > On Fri, May 11, 2012 at 04:33:10PM +0200, Peter Zijlstra wrote: > > On Fri, 2012-05-11 at 08:39 -0500, Robin Holt wrote: > > > > > We found that reverting the commit: > > > cb83b62 (x86/sched/core) sched/numa: Rewrite the CONFIG_NUMA sched domain support > > > > > > also got things working. > > > > there's a particularly stupid bug in that code > > Even with that applied, I still get the divide by zero. Humm.. what kind of machine is this? And how far along does it get in booting? ->power isn't supposed to get to 0.