From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Bauer Subject: Re: iommu: mapping reserved region failed - Q35 -VT-DIssue Date: Sun, 02 Nov 2008 10:17:06 +0100 Message-ID: <490D7012.6060803@cubewerk.de> References: <49089D18.4030405@cubewerk.de><49096151.8090500@cubewerk.de> <715D42877B251141A38726ABF5CABF2C018686D126@pdsmsx503.ccr.corp.intel.com> <49098860.9050309@cubewerk.de> <715D42877B251141A38726ABF5CABF2C018686D17B@pdsmsx503.ccr.corp.intel.com> <4909C811.9070105@cubewerk.de> <715D42877B251141A38726ABF5CABF2C018686D23C@pdsmsx503.ccr.corp.intel.com><490AB8FC.1020807@cubewerk.de><715D42877B251141A38726ABF5CABF2C018686D43D@pdsmsx503.ccr.corp.intel.com><490B16E4.2060604@cubewerk.de><409D32C55C48D34DB5E31C8AB29EB15B071C7730@FTLPEXCH05.citrite.net><490B23AC.8020700@cubewerk.de><409D32C55C48D34DB5E31C8AB29EB15B071C777F@FTLPEXCH05.citrite.net><490B304D.7060000@cubewerk.de><409D32C55C48D34DB5E31C8AB29EB15B071C7801@FTLPEXCH05.citrite.net> <490B3FA2.1030701@cubewerk.de> <409D32C55C48D34DB5E31C8 AB29EB15B071C78F8@FTLPEXCH05.citrite.net> <490B5FBC.1060001@cubewerk.de> <715D42877B251141A38726ABF5CABF2C018686D4D8@pdsmsx503.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <715D42877B251141A38726ABF5CABF2C018686D4D8@pdsmsx503.ccr.corp.intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com Cc: "'xen-devel@lists.xensource.com'" List-Id: xen-devel@lists.xenproject.org Han, Weidong schrieb: > Stefan Bauer wrote: >> Ross Philipson schrieb: >>> That is a bummer. I am not really sure where to go with it. If there >>> is no DRHD for that device (or a number of other ones so it would >>> seem) then there is no way to setup DMA remapping for those devices. >>> Maybe someone else on the list has some ideas. >> So if i understand you correctly, there is some problem with the PEG >> graphic card in my case? Another graphic card might solve that >> problem? >> > > You don't use PEG, so it is not related to it. The dump of the DMAR on your system shows definitely BIOS doesn't setup ACPI correctly for DMAR. Pls contact your vendor. My intention was to passthrough my PCI-E graphic card to the HVM domU, so i definitely use a PEG-Card. I'm awaiting response from lenovo, but as Rajesh mentioned, your ways to contact lenovo might be ways better than mine. Regards -- stefan