From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756760Ab3BEVYd (ORCPT ); Tue, 5 Feb 2013 16:24:33 -0500 Received: from meriadoc.sigma-star.at ([178.63.61.2]:47711 "EHLO meriadoc.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756294Ab3BEVYc (ORCPT ); Tue, 5 Feb 2013 16:24:32 -0500 X-Greylist: delayed 2556 seconds by postgrey-1.27 at vger.kernel.org; Tue, 05 Feb 2013 16:24:32 EST Date: Tue, 5 Feb 2013 21:41:46 +0100 From: Richard Weinberger To: Alex Williamson Cc: David Gstir , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: DMAR faults from unrelated device when vfio is used Message-ID: <20130205214146.4be295ad@spider.haslach.nod.at> In-Reply-To: <1360096613.11144.612.camel@bling.home> References: <1359972630.2498.21.camel@riven-lux.site> <1359992968.11144.414.camel@bling.home> <1360071110.6200.19.camel@riven-lux.site> <1360078648.11144.558.camel@bling.home> <1360096613.11144.612.camel@bling.home> X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.14; x86_64-suse-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 Am Tue, 05 Feb 2013 13:36:53 -0700 schrieb Alex Williamson : > > Ugh, the infamous and useless error 10. It could be anything. > > I've got a system with onboard usb3, let me see what windows does > > with it here first. Thanks, > > Well, I've got an Etron USB3 HBA and (un)fortunately it works just > fine with a Win7 guest. There's really nothing special about USB > controllers from a PCI device assignment perspective. Have you tried > the latest upstream qemu bits? Thanks, We tried also qemu v1.4.0-rc0 (git as of today) without success. As next step we'll test Linux as guest, maybe it is more chatty than Windows regarding the issue. :-) Thanks, //richard