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[Xen-devel] No VT-d with Xen 3.3/3.4rc3 on Intel-Board DQ45CB

To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] No VT-d with Xen 3.3/3.4rc3 on Intel-Board DQ45CB
From: Tim Kaufmann <tk@xxxxxxxxxx>
Date: Sun, 26 Apr 2009 16:29:45 +0200
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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



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