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[Xen-users] PCI Passthrough for Windows error

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] PCI Passthrough for Windows error
From: "billy lau" <billylau@xxxxxxxxx>
Date: Fri, 17 Oct 2008 14:39:51 -0400
Delivery-date: Fri, 17 Oct 2008 11:40:35 -0700
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Dear Xen Users,

I was attempting to boot windows using hvmloader on a debian, with Vt-d enabled. However, as I try to create my windows domain, the error below occured, and I could not understand why:

Error: failed to assign device: maybe the platform doesn't support VT-d, or VT-d isn't enabled properly?

The problem is that I have enabled VT-d, and I did a pciback.hide=(XX:XX.X) in grub's menu.lst. Well, The passthrough seems to be working when I load a linux domU, as i managed to see the pci device in lspci in linux domU, but for windows, only this error message appeared. Can anyone help?

Thanks,
- billy
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