From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751174AbVHSPql (ORCPT ); Fri, 19 Aug 2005 11:46:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751181AbVHSPql (ORCPT ); Fri, 19 Aug 2005 11:46:41 -0400 Received: from ns2.suse.de ([195.135.220.15]:50850 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1751174AbVHSPql (ORCPT ); Fri, 19 Aug 2005 11:46:41 -0400 Date: Fri, 19 Aug 2005 17:46:39 +0200 From: Andi Kleen To: Peter Buckingham Cc: Sean Bruno , Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: 2.6.13-rc6-git10 test report [x86_64](WITHOUT NVIDIA MODULE) Message-ID: <20050819154639.GL22993@wotan.suse.de> References: <1124401950.14825.13.camel@home-lap.suse.lists.linux.kernel> <1124405533.14825.24.camel@home-lap> <20050818230349.GC22993@wotan.suse.de> <1124410753.14825.32.camel@home-lap> <4305FCF1.6020905@pantasys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4305FCF1.6020905@pantasys.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 19, 2005 at 08:38:25AM -0700, Peter Buckingham wrote: > Hi Sean, > > Sean Bruno wrote: > >Well, I do have IOMMU enabled in my kernel .config. I have attached it > >to this message as well. I would appreciate any guidance as I pretty > >much have no idea what 99% of the items in here are for. This is > >the .config that I used to build the kernel from the dmesg output that > >is attached to this email. > > the error that you see is because you haven't set a big enough size in > the BIOS for the IOMMU. The error message is just saying that the kernel > is enabling the IOMMU anyway. It used to be that it would enable 64MB, > it looks like it's defaulting now to 256MB. When you enable a big enough > size in the bios this error will go away (assuming that your bios fills > in the registers correctly). At least his original error message can only happen when CONFIG_GART_IOMMU is disabled. PCI-DMA: More that 4GB of RAM and no IOMMU PCI-DMA: 32bit PCI IO may malfunction.<6>PCI-DMA: Disabling IOMMU -Andi