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[xen-devel] is it possible to return passthrough GFX back to dom0?

To: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [xen-devel] is it possible to return passthrough GFX back to dom0?
From: Sergey Tovpeko <tsv.devel@xxxxxxxxx>
Date: Tue, 28 Sep 2010 13:07:16 +0400
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Hello, list!

Is it possible to give the passthrough-ed gfx back to dom0 without dom0 rebooting?

I've a domU with gfx passthrough (nvidia 8400gs). When I start the domU, it grabs the GFX. That's ok. What I want is after domU shutdown, the GFX would be granted back to dom0 and the user could continue to work in dom0. The dom0's display should be restored completely, and the mouse/keyboard should work there.
Could it be done at all?
Is there a working solution for my case?



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