Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750813AbWEZOes (ORCPT ); Fri, 26 May 2006 10:34:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750818AbWEZOes (ORCPT ); Fri, 26 May 2006 10:34:48 -0400 Received: from ns2.suse.de ([195.135.220.15]:6095 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1750813AbWEZOer (ORCPT ); Fri, 26 May 2006 10:34:47 -0400 Subject: Re: Recent x86-64 patch causes many devices to disappear From: Thomas Renninger Reply-To: trenn@suse.de To: Jeff Garzik Cc: Andi Kleen , Andrew Morton , Linus Torvalds , Linux Kernel , len.brown@intel.com, gregkh@suse.de, joachim deguara In-Reply-To: <4476E1B3.8020605@garzik.org> References: <4476D020.8070605@garzik.org> <200605261203.55108.ak@suse.de> <4476D874.6060000@garzik.org> <200605261255.27471.ak@suse.de> <4476E1B3.8020605@garzik.org> Content-Type: text/plain Organization: Novell/SUSE Date: Fri, 26 May 2006 16:34:39 +0200 Message-Id: <1148654080.16187.107.camel@queen.suse.de> Mime-Version: 1.0 X-Mailer: Evolution 2.6.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1708 Lines: 48 On Fri, 2006-05-26 at 07:08 -0400, Jeff Garzik wrote: > Andi Kleen wrote: > > On Friday 26 May 2006 12:29, Jeff Garzik wrote: > >> Andi Kleen wrote: > >>> The problem is that most people cannot figure out how > >>> to disable this in the BIOS so we needed a way to make it boot > >>> out of the box. > >> Agreed. > > > > Do you use SCSI on your box? According to Joachim booting with > > segmentation on and not pci=noacpi SCSI is not seen. And that's the > > default setup on the machine which made it unusable. > > Here, I see: > > segmentation on + pci=noacpi == no SCSI > and additionally > segmentation on + pci=noacpi == no sata_mv > and thus overall > segmentation on + pci=noacpi == no PCI-X bus > > (as the posted output on gtf.org shows) Here are the results from Joachim (without the patch): (from novell.bugzilla.com bug #82986): segmentation enablee with no extra kernel params = not working segmentation enabled with pci=noacpi = working segmentation disabled with no extra kernel params = working segmentation disabled with pci=noacpi = working I'd say that only disabling when segmentation is enabled makes sense..., however the devices should still appear. I know there are a lot BIOS versions of this machines flying around. Maybe everybody should check that the latest version is running, first? I have: BIOS Information Vendor: Hewlett-Packard Version: 786B9 v2.05 Release Date: 01/26/2006 Thomas - 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/