Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932496AbWEBIWk (ORCPT ); Tue, 2 May 2006 04:22:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932507AbWEBIWk (ORCPT ); Tue, 2 May 2006 04:22:40 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:38059 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S932496AbWEBIWj (ORCPT ); Tue, 2 May 2006 04:22:39 -0400 Date: Tue, 2 May 2006 10:27:30 +0200 From: Ingo Molnar To: Andi Kleen Cc: linux-kernel@vger.kernel.org, Andrew Morton , Nick Piggin Subject: Re: assert/crash in __rmqueue() when enabling CONFIG_NUMA Message-ID: <20060502082730.GA16831@elte.hu> References: <20060419112130.GA22648@elte.hu> <20060502070618.GA10749@elte.hu> <200605020905.29400.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200605020905.29400.ak@suse.de> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: -2.8 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.8 required=5.9 tests=ALL_TRUSTED,AWL autolearn=no SpamAssassin version=3.0.3 -2.8 ALL_TRUSTED Did not pass through any untrusted hosts 0.0 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 Content-Length: 1622 Lines: 44 * Andi Kleen wrote: > On Tuesday 02 May 2006 09:06, Ingo Molnar wrote: > > > > * Andi Kleen wrote: > > > > > Ingo Molnar writes: > > > > > > > FYI, even on 2.6.17-rc3 i get the one below. v2.6.17 showstopper i > > > > guess? > > > > > > Did you send a full boot log? > > > > yes, in the previous mail, in the same thread. (maybe lkml ate it - it's > > an allyesconfig bootup so a large bootlog and a large config) I've also > > uploaded them to: > > > > http://redhat.com/~mingo/misc/ > > > > debug-pagealloc.patch is the debug patch i made based on Nick's earlier > > suggestions. > > > > > If it's using ACPI NUMA try numa=noacpi - it might be some problem > > > with the node discovery on your machine. > > > > this is a non-NUMA box (Athlon64 X2 desktop machine). > > Oh that's a 32bit kernel. I don't think the 32bit NUMA has ever worked > anywhere but some Summit systems (at least every time I tried it it > blew up on me and nobody seems to use it regularly). Maybe it would be > finally time to mark it CONFIG_BROKEN though or just remove it (even > by design it doesn't work very well) what you saw before could easily be this particular bug - the zones are apparently mis-sized (aligned to 1MB while they need to be aligned to 4MB), which causes quick and nasty crashes under light user load. Ingo - 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/