From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263620AbUBPLGj (ORCPT ); Mon, 16 Feb 2004 06:06:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263983AbUBPLGj (ORCPT ); Mon, 16 Feb 2004 06:06:39 -0500 Received: from nsmtp.pacific.net.th ([203.121.130.117]:35013 "EHLO nsmtp.pacific.net.th") by vger.kernel.org with ESMTP id S263620AbUBPLGi (ORCPT ); Mon, 16 Feb 2004 06:06:38 -0500 From: Michael Frank To: linux-kernel@vger.kernel.org Subject: Re: Reserved pages not flagged on Compaq evo? Date: Mon, 16 Feb 2004 19:16:16 +0800 User-Agent: KMail/1.5.4 Cc: Andrea Arcangeli References: <87llnyggfm.fsf@larve.net> <20040204114113.GA1110@home.larve.net> <200402042024.47784.mhf@linuxmail.org> In-Reply-To: <200402042024.47784.mhf@linuxmail.org> X-OS: KDE 3 on GNU/Linux MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200402161916.16508.mhf@linuxmail.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 04 February 2004 20:36, Michael Frank wrote: > A 2.4.24 + swsusp 2.0 user reported a mce at the video base address > of 0xa0000 when writing the kernel image to disk (thus reading there) > on a Compaq evo1015v (Athlon XP 2000+) > > NOMCE eliminates the mce but I am wondering about possible ill effects > should other reserved pages be invalidly accessed. > > It looks like these pages are not flagged reserved and therfore accessed. > > No other mce's have ever been reported. > > What is the suggested approach to identify the root cause? Has been verified as fixed after flagging video and BIOS pages as nosave and by not accessing all nosave areas during suspend and resume. > Michael > >