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[Xen-users] san fibrechannel device in HVM domU

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] san fibrechannel device in HVM domU
From: "Sebastian Reitenbach" <sebastia@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 12 Feb 2008 13:19:23 +0100
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Reply-to: Sebastian Reitenbach <sebastia@xxxxxxxxxxxxxxxxxxxx>
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Hi,

I'm on a HP DL365, amd64, running SLES10sp1, but with kernel and xen of 
SLES10sp2, therefore using Xen 3.2. The domU shall be a Windows HVM guest.

I want use the Qlogic SAN card in a domU. I'm following these instructions:
http://www.novell.com/communities/node/2880/assign-dedicated-network-card-or-pci-device-xen-virtual-machine


well, there is written that this only works for PVM guests, but that was for 
3.0.4, I use 3.2, so I thought, worth a try.

However, when I am at the point that I start the domU, the following error 
message appears:

xm create pci=0000:02:01.0 SERVER2003
Using config file "./SERVER2003".
Error: Fail to assign device(2:1.0): maybe VT-d is not enabled, or the 
device is not exist, or it has already been assigned to other domain

Without the pci parameter, the domU starts. The device is correctly hidden 
from the dom0, and no other domU is running.
As I am on AMD, there is no VT-d, will this only work with Xen on new Intel 
machines, or is there anything I can do to get this to work on AMD too?

cheers
Sebastian


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