[Xen-users] PCI Passthrough for Windows error

["billy lau" <billylau@xxxxxxxxx>]

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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