Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750770AbVJ3O6U (ORCPT ); Sun, 30 Oct 2005 09:58:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750777AbVJ3O6U (ORCPT ); Sun, 30 Oct 2005 09:58:20 -0500 Received: from ns1.suse.de ([195.135.220.2]:42708 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1750770AbVJ3O6T (ORCPT ); Sun, 30 Oct 2005 09:58:19 -0500 From: Andi Kleen To: Nishanth Aravamudan Subject: Re: PCI-DMA: high address but no IOMMU Date: Sun, 30 Oct 2005 15:59:15 +0100 User-Agent: KMail/1.8.2 Cc: Michael Madore , linux-kernel@vger.kernel.org References: <20051028015900.GB4141@us.ibm.com> <20051030142924.GA30183@us.ibm.com> In-Reply-To: <20051030142924.GA30183@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200510301559.15423.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 849 Lines: 26 On Sunday 30 October 2005 15:29, Nishanth Aravamudan wrote: > > Ah, silly me, I set IOMMU_DEBUG to Y at some point without realizing. > Taking that away removed the issues and I now only get: > > [ 0.000000] Checking aperture... > [ 0.000000] CPU 0: aperture @ 4000000 size 32 MB > [ 0.000000] Aperture from northbridge cpu 0 too small (32 MB) > [ 0.000000] No AGP bridge found > > ... > > [ 47.737770] PCI-DMA: Disabling IOMMU. > > Which makes a lot more sense. And everything works when you disable IOMMU_DEBUG? Is that the case with the other reporters of this problem too? -Andi - 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/