From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756971AbYGIIqW (ORCPT ); Wed, 9 Jul 2008 04:46:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753309AbYGIIqO (ORCPT ); Wed, 9 Jul 2008 04:46:14 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:55897 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751046AbYGIIqN (ORCPT ); Wed, 9 Jul 2008 04:46:13 -0400 Date: Wed, 9 Jul 2008 10:46:00 +0200 From: Ingo Molnar To: Yinghai Lu Cc: Thomas Gleixner , "H. Peter Anvin" , LKML Subject: Re: [PATCH] x86: not overmap than end in init_memory_mapping - 64bit Message-ID: <20080709084600.GA4919@elte.hu> References: <200807080141.05436.yhlu.kernel@gmail.com> <200807080143.27997.yhlu.kernel@gmail.com> <20080709073844.GB30428@elte.hu> <20080709083425.GA23952@elte.hu> <86802c440807090137t41734ac3l25f565cf5efb3e7b@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86802c440807090137t41734ac3l25f565cf5efb3e7b@mail.gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Yinghai Lu wrote: > > reverting the commit solves the crash. The crash seems to be because > > ACPI is unable to access that memory range. (perhaps early_ioremap > > fails?) > > system with less than 4g? yeah. > please test attached patch > [PATCH] x86: make max_pfn cover acpi table below 4g that fixed it, thanks. Ingo