From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757040Ab2JJWCG (ORCPT ); Wed, 10 Oct 2012 18:02:06 -0400 Received: from adoakley.name ([46.4.104.242]:41845 "EHLO ado.is-a-geek.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756595Ab2JJWCD (ORCPT ); Wed, 10 Oct 2012 18:02:03 -0400 Date: Wed, 10 Oct 2012 23:02:31 +0100 From: Andrew Oakley To: Andrew Oakley Cc: Joerg Roedel , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [git pull] IOMMU Updates for v3.7-rc1 Message-ID: <20121010230231.2fb3c3b9@ado-amd-gentoo.moore.slainvet.net> In-Reply-To: <20121010201131.091d5a1f@ado-amd-gentoo.moore.slainvet.net> References: <20121005152312.GA4649@8bytes.org> <20121009224532.1e515664@ado-amd-gentoo.moore.slainvet.net> <20121010073022.GB16151@8bytes.org> <20121010095823.140fdd98@ado-amd-gentoo.moore.slainvet.net> <20121010133249.GC16151@8bytes.org> <20121010201131.091d5a1f@ado-amd-gentoo.moore.slainvet.net> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.12; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 10 Oct 2012 20:11:31 +0100 Andrew Oakley wrote: > If I modify the devid for the IOAPIC in init_iommu_from_acpi then it > also seems to work. I haven't managed to get vfio/qemu working yet > but it seems to be unrelated ("Invalid ROM contents", same thing > happens when I try to dump the rom with stable kernels). I've now managed to get a network card passed through and working properly in a guest. The bug has been reported to the vendor so hopefully it will get fixed in a BIOS update. I'm not sure if the fix I've got is safe or if it's really a good idea to enable interrupt remapping with a broken BIOS. Thanks -- Andrew Oakley