From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Tramnitz Subject: Re: VT-d could not work on ThinkPad T500 well Date: Mon, 25 May 2009 11:17:46 +0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Keir Fraser wrote: > Try adding iommu_inclusive_mapping to your Xen command line. Although being a workaround, would it hurt to make that the default behaviour when iommu is enabled? There seem to be more broken implementations around than actually working... Best regards, Christian