Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753964AbaA0Owi (ORCPT ); Mon, 27 Jan 2014 09:52:38 -0500 Received: from mx1.redhat.com ([209.132.183.28]:19833 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753577AbaA0Owh (ORCPT ); Mon, 27 Jan 2014 09:52:37 -0500 Date: Mon, 27 Jan 2014 09:52:09 -0500 From: Dave Jones To: Tang Chen Cc: David Rientjes , tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, akpm@linux-foundation.org, zhangyanfei@cn.fujitsu.com, guz.fnst@cn.fujitsu.com, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] numa, mem-hotplug: Fix stack overflow in numa when seting kernel nodes to unhotpluggable. Message-ID: <20140127145209.GA18016@redhat.com> Mail-Followup-To: Dave Jones , Tang Chen , David Rientjes , tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, akpm@linux-foundation.org, zhangyanfei@cn.fujitsu.com, guz.fnst@cn.fujitsu.com, x86@kernel.org, linux-kernel@vger.kernel.org References: <1390456168-28259-1-git-send-email-tangchen@cn.fujitsu.com> <20140123061343.GB15206@redhat.com> <20140123065824.GA17684@redhat.com> <20140123223136.GA18468@redhat.com> <52E60ABF.9020400@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52E60ABF.9020400@cn.fujitsu.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 27, 2014 at 03:29:03PM +0800, Tang Chen wrote: > > Some build tests show.. > > > > MAXSMP ( NODESHIFT=10 ) : Bug > > NRCPUS=4& NODESHIFT=10 : Bug > > NRCPUS=4& NODESHIFT=1 : no bug > > > > > > The middle config test was accidental, I hadn't realised disabling MAXSMP > > wouldn't reset NODESHIFT to something sane. > > > > I'll start bisecting, as MAXSMP worked fine until a few days ago. > > Hi Dave, > > I didn't reproduce this bug. Would you please share the bisect result ? The bisect pointed at something completely unrelated, and then when I tried again on git HEAD, I couldn't reproduce it.. If I manage to get it happening again I'll look into it more, but for now it seems to have gone into hiding. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/