Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932474AbWBGXgp (ORCPT ); Tue, 7 Feb 2006 18:36:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932478AbWBGXgo (ORCPT ); Tue, 7 Feb 2006 18:36:44 -0500 Received: from mx1.suse.de ([195.135.220.2]:52104 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S932476AbWBGXgn (ORCPT ); Tue, 7 Feb 2006 18:36:43 -0500 From: Andi Kleen To: "Ray Bryant" Subject: Re: [discuss] mmap, mbind and write to mmap'ed memory crashes 2.6.16-rc1[2] on 2 node X86_64 Date: Wed, 8 Feb 2006 00:36:30 +0100 User-Agent: KMail/1.8.2 Cc: "Christoph Lameter" , "Bharata B Rao" , discuss@x86-64.org, linux-kernel@vger.kernel.org References: <20060205163618.GB21972@in.ibm.com> <200602071727.18359.raybry@mpdtxmail.amd.com> In-Reply-To: <200602071727.18359.raybry@mpdtxmail.amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200602080036.31059.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1342 Lines: 36 On Wednesday 08 February 2006 00:27, Ray Bryant wrote: > On Tuesday 07 February 2006 10:49, Christoph Lameter wrote: > > On Tue, 7 Feb 2006, Bharata B Rao wrote: > > > I can still crash my x86_64 box with Christoph's program. > > > > So it looks like the problem is arch specific. Test program runs fine on > > ia64. > > > > > page = 0xffffffffffffffd8 > > > &page->lru = 0000000000000000 > > > > Yup lru field overwritten as I thought. > > - > > 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/ > > For what it is worth: > > Christoph's test program runs fine on my 32 GB, 4 socket, 8 core Opteron 64 Opteron 64? A new exciting upcomming product? @) > box with 2.6.16-rc1. Yes it also works on my test box and also some other simple tests with MPOL_BIND. But we had similar reports on two different systems, so there's very likely a problem. Just need to reproduce it somehow. -Andi - 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/