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[Xen-users] Successful PCIe Graphics VT-d Passthrough to Win32 DomU, Q3

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Subject: [Xen-users] Successful PCIe Graphics VT-d Passthrough to Win32 DomU, Q35 chipset
From: "Peter J. van der Maas" <peter@xxxxxxxxx>
Date: Mon, 26 Jan 2009 14:16:32 -0500
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Thread-topic: Successful PCIe Graphics VT-d Passthrough to Win32 DomU, Q35 chipset

I am happy to announce that I have successfully (and finally!) been able to pass a PCIe graphics card via VT-d to a Windows XP HVM DomU.

 

About time!

 

Config:

-Intel Q6600 Core 2 Quad-Core, G0 stepping (I think)

-Intel DQ35JO Motherboard, Q35 Chipset, BIOS v.991 (1/9/09), VT and VT-d enabled

-nVidia 9500GT (for VT-d passthrough - DomU)

-nVidia GeForce2 MX200 (Dom0 console)

-Xen (build: xen-unstable, recent as of ~ 1/25/09 1:00AM-EST)

-Dom0: Linux-2.6.18.8-xen (via xen-unstable.hg)

-DomU: Windows XP (pro, sp3, 32-bit)

 

Once the VT-d bugs were recently corrected (thank you, xen-devel!), everything went fairly smoothly.  Still very buggy yet (its xen-unstable!), but overall it works.

 

Make sure support for the PCI-backend is compiled into the kernel (not just a module) and that you have your pciback.hide options in grub (late-binding may work, but I haven’t tried).

 

Good luck!

 

 

-Peter van der Maas

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