From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965059AbWECIND (ORCPT ); Wed, 3 May 2006 04:13:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965115AbWECINC (ORCPT ); Wed, 3 May 2006 04:13:02 -0400 Received: from hellhawk.shadowen.org ([80.68.90.175]:16650 "EHLO hellhawk.shadowen.org") by vger.kernel.org with ESMTP id S965059AbWECINA (ORCPT ); Wed, 3 May 2006 04:13:00 -0400 Message-ID: <445865F7.1010208@shadowen.org> Date: Wed, 03 May 2006 09:12:39 +0100 From: Andy Whitcroft User-Agent: Debian Thunderbird 1.0.7 (X11/20051017) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andi Kleen CC: Jan Beulich , Martin Bligh , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: 2.6.17-rc2-mm1 References: <4450F5AD.9030200@google.com> <200605030849.44893.ak@suse.de> <4458730F.76E4.0078.0@novell.com> <200605030938.37967.ak@suse.de> In-Reply-To: <200605030938.37967.ak@suse.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > On Wednesday 03 May 2006 09:08, Jan Beulich wrote: > >>>>>new stack 0 (0 0 0 10082 10) >>>> >>>>Looks like to me, ... >>> >>>Hmm, right. >>> >>> >>>>>Hmm weird. There isn't anything resembling an exception frame at the top of the >>>>>stack. No idea how this could happen. >>>> >>>>... which is a valid frame where the stack pointer was corrupted before the exception occurred. One more printed >> >>item >> >>>>(or rather, starting items at estack_end[-1]) would allow at least seeing what RIP this came from. >>> >>>Any can you add that please and check? >> >>??? > > > Sorry I meant to write Andy but left out the d :-( - he did the testing > on the machine that showed the problem. Heh, happy to do the testing. Just to make sure I am doing the right thing, you want an entire stack frame dropped out in the case that SS/RSP are 0; so we get the RIP. -apw