Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758145AbYFTRsT (ORCPT ); Fri, 20 Jun 2008 13:48:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752646AbYFTRsI (ORCPT ); Fri, 20 Jun 2008 13:48:08 -0400 Received: from relay2.sgi.com ([192.48.171.30]:48749 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752622AbYFTRsH (ORCPT ); Fri, 20 Jun 2008 13:48:07 -0400 Date: Fri, 20 Jun 2008 10:48:05 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Jeremy Fitzhardinge cc: Mike Travis , Linux Kernel Mailing List Subject: Re: [crash, bisected] Re: [PATCH 3/4] x86_64: Fold pda into per cpu area In-Reply-To: <485BE80E.10209@goop.org> Message-ID: References: <20080604003018.538497000@polaris-admin.engr.sgi.com> <20080604003019.509483000@polaris-admin.engr.sgi.com> <20080605102222.GA21319@elte.hu> <484EF29C.7080100@sgi.com> <485947A8.8060801@goop.org> <4859511E.5050605@sgi.com> <48596315.6020104@goop.org> <48596893.4040908@sgi.com> <485AADAC.3070301@sgi.com> <485AB78B.5090904@goop.org> <485AC120.6010202@sgi.com> <485AC5D4.6040302@goop.org> <485ACA8F.10006@sgi.com> <485ACD92.8050109@sgi.com> <485AD138.4010404@goop.org> <485ADA12.5010505@sgi.com> <485ADC73.60009@goop.org> <485BDB04.4090709@sgi.com> <485BE80E.10209@goop.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 596 Lines: 14 On Fri, 20 Jun 2008, Jeremy Fitzhardinge wrote: > So it seems the problem is that the pre-initialized gdt_page is being lost and > replaced with zero. Linker script bug? Is the pre initialized gdt page in the per cpu area? Does not look like it. The loader setup for the percpu section changes with zero basing. Maybe that has bad side effects? -- 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/