From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Tramnitz Subject: Re: No VT-d with Xen 3.3/3.4rc3 on Intel-Board DQ45CB Date: Mon, 27 Apr 2009 12:41:00 +0200 Message-ID: References: <0F8EA8B5-298F-4ED0-AC0F-B1D0F47F34BF@taquiri.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <0F8EA8B5-298F-4ED0-AC0F-B1D0F47F34BF@taquiri.de> 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 So what is your actual problem then? > (XEN) I/O virtualisation enabled This means VT-d is enabled. If you are wondering about: > (XEN) I/O virtualisation for PV guests disabled You may want to have a look at iommu=pv if that is what you need... Best regards, Christian Tim Kaufmann wrote: > Hello, > > my system: Intel DQ45CB with latest BIOS (0079 as of April 6th 2009) and > VT-d enabled, Core 2 Quad Q9550 (E0), 8 GB RAM. > > Tested with OpenSuse 11.1, packaged Kernel/Xen 3.3 and kernel opts > "iommu=1", "iommu=1 msi=1", "dom0_mem=1024M iommu=1", "dom0_mem=1024M > iommu=1 msi=1". System freezes on boot, last messages displayed are > > (XEN) I/O virtualisation enabled > (XEN) I/O virtualisation for PV guests disabled > > Installed Debian Lenny and compiled 2.6.18.8 / Xen 3.4rc3 - same result > as above. > > I'd like to help debugging this, but I'd need someone to help me setting > up Serial-over-LAN with one of my other computers (Ubuntu 8.04 LTS, XP, > Mac OS X 10.5). > > Tim