From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268052AbUH1Vxi (ORCPT ); Sat, 28 Aug 2004 17:53:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268073AbUH1Vxf (ORCPT ); Sat, 28 Aug 2004 17:53:35 -0400 Received: from colo.lackof.org ([198.49.126.79]:35514 "EHLO colo.lackof.org") by vger.kernel.org with ESMTP id S268052AbUH1Vx3 (ORCPT ); Sat, 28 Aug 2004 17:53:29 -0400 Date: Sat, 28 Aug 2004 15:53:26 -0600 From: Grant Grundler To: Matthew Wilcox Cc: Jon Smirl , Greg KH , Jesse Barnes , Martin Mares , "Pallipadi, Venkatesh" , linux-pci@atrey.karlin.mff.cuni.cz, Alan Cox , Linux Kernel Mailing List , Petr Vandrovec , Benjamin Herrenschmidt Subject: Re: [PATCH] add PCI ROMs to sysfs Message-ID: <20040828215326.GE20230@colo.lackof.org> References: <20040827164303.GW16196@parcelfarce.linux.theplanet.co.uk> <20040827222938.12618.qmail@web14922.mail.yahoo.com> <20040828163521.GD16196@parcelfarce.linux.theplanet.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040828163521.GD16196@parcelfarce.linux.theplanet.co.uk> User-Agent: Mutt/1.3.28i X-Home-Page: http://www.parisc-linux.org/ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 28, 2004 at 05:35:21PM +0100, Matthew Wilcox wrote: > > If reading past 1MB for those ROMs causes a reboots, could something be > > wrong in the IA64 fault handing code? > > No, that's normal behaviour on ia64 -- unacknowledged PCI reads cause a > machine check rather than reading ffffffff like x86 does. Only on HP IA64 machines (just like on HP parisc machines). Intel IA64 machines return -1 or garbage on Master Abort (due to timeout) just like the IA32 platforms. grant