Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754491AbXJ2VVd (ORCPT ); Mon, 29 Oct 2007 17:21:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752414AbXJ2VVZ (ORCPT ); Mon, 29 Oct 2007 17:21:25 -0400 Received: from smtp.aaisp.net.uk ([81.187.81.52]:47674 "EHLO smtp.aaisp.net.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752173AbXJ2VVY (ORCPT ); Mon, 29 Oct 2007 17:21:24 -0400 X-Greylist: delayed 3215 seconds by postgrey-1.27 at vger.kernel.org; Mon, 29 Oct 2007 17:21:24 EDT Subject: Re: 2.6.23 boot failures on x86-64. From: Martin Ebourne To: Dave Jones Cc: Andi Kleen , Linux Kernel , Zou Nan hai , Suresh Siddha , stable@kernel.org, Andrew Morton , Linus Torvalds In-Reply-To: <20071029194311.GE1650@redhat.com> References: <20071029175014.GH7793@redhat.com> <200710291918.43869.ak@suse.de> <20071029184747.GB1650@redhat.com> <200710292003.09317.ak@suse.de> <20071029194311.GE1650@redhat.com> Content-Type: text/plain Date: Mon, 29 Oct 2007 21:21:02 +0000 Message-Id: <1193692862.3133.14.camel@avenin.ebourne.me.uk> Mime-Version: 1.0 X-Mailer: Evolution 2.10.3 (2.10.3-4.fc7) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1074 Lines: 29 On Mon, 2007-10-29 at 15:43 -0400, Dave Jones wrote: > On Mon, Oct 29, 2007 at 08:03:09PM +0100, Andi Kleen wrote: > > > > But if allocating bootmem >4G doesn't work on these systems > > > > most likely they have more problems anyways. It might be better > > > > to find out what goes wrong exactly. > > > Any ideas on what to instrument ? > > > > See what address the bootmem_alloc_high returns; check if it overlaps > > with something etc. > > > > Fill the memory on the system and see if it can access all of its memory. > > Martin, as you have one of the affected systems, do you feel up to this? Faking a node at 0000000000000000-000000001fff0000 Bootmem setup node 0 0000000000000000-000000001fff0000 sparse_early_mem_map_alloc: returned address ffff81000070b000 My box has 512MB of RAM. Cheers, Martin. - 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/