[Xen-users] XEN 4.1.1 + IGD passthrough and Intel DQ67SW, i7-2600

[Erik Lind <zod@xxxxxxxxxxxxx>]

Hi

I'm running XEN 4.1.1 (have tested 4.2 unstable too) and I'm trying to 
do graphics passthrough of my on board/chip GPU.
I have been struggling for quite some time without success.

Passthrough as such does work but when loading the proper drivers for 
the GPU it does not, and then Windows just stops loading.
First attempt was to use Windows 7, I did try both 32 and 64 bit 
versions and it did not work.
Then I did an attempt with XP 32bit and to much surprise it did work (at 
least it starts up properly haven't tested it that much yet).
After that I tried with Vista 32 bit, just to see, and it did not work.

In short I suppose there is some issue with the gfx drivers for Vista 
and Windows 7 or possibly there is some other difference between the 
OS:es. Or is it just something else that I'm missing?
Has anyone been able to get XEN and IGD passthrough to work with proper 
drivers in Windows 7 and fairly new HW? Any suggestions how to proceed 
with troubleshooting?
Thanks in advance

/Erik


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