From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: IO_PAGE_FAULT while booting. Date: Mon, 17 Jan 2011 18:41:30 +0100 Message-ID: <20110117174130.GO6376@8bytes.org> References: <20110117140328.GM6376@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Prasad Joshi Return-path: Received: from 8bytes.org ([88.198.83.132]:56676 "EHLO 8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753511Ab1AQRlb (ORCPT ); Mon, 17 Jan 2011 12:41:31 -0500 Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On Mon, Jan 17, 2011 at 05:08:42PM +0000, Prasad Joshi wrote: > Please find the information you requested attached with this mail. > Also attaching the output of lspci -vvv -xxx incase it is useful. Thanks, I'll have a look at it. > I would be interested in understanding the problem. If possible can > you please let me know what does this error indicate? The error indicates that the device in question tried a dma transfer to a location which it is not allowed to access. To most likely reason is that the IOMMU was setup before the BIOS was giving away the device to the OS. But other reasons are also possible. I'll let you know when I know more. Joerg