[Xen-users] Re: Xen-users Digest, Vol 47, Issue 160

[Alexia Benington <alexbenington@xxxxxxxxx>]

Congrats!

I'm trying to do something similar with an Intel DQ45CB board and ATI HD2600XT card. I don't intend to use the integrated gfx. So I should see the screen being blanked out if passthrough works. But I'm not seeing that.

Are your steps mostly similar to those described at http://wiki.xensource.com/xenwiki/VTdHowTo?

I'm running out of ideas on what to try.

Best Rgds,
Alexia

Message: 4
Date: Mon, 26 Jan 2009 14:16:32 -0500
From: "Peter J. van der Maas" <peter@xxxxxxxxx>
Subject: [Xen-users]    Successful PCIe Graphics VT-d Passthrough to
       Win32 DomU,     Q35 chipset
To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Message-ID: <7EEC9DAC2502EF4FACFE8CC8408DAFEA1DEDC7@xxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset="us-ascii"

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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