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> Why not just do a PCI pass through (…)?

Because we're talking about remote desktop over low bandwidth connections. If push comes to shove you can use Xpra over dial-up.

Of course the more elegant solution then is to use some virtio based graphics pass-through driver doing all that, without running MIT-SHM screen grabber X11 clients shoving around frames. I want less kludges, not more.



> Because we're talking about remote desktop over low bandwidth connections.

I'm presuming this implies there's already a non-theoretical solution for remote desktop over high bandwidth connections ( say over 10Gbit/sec ) that would allow me to run a spinning cube at 30 frames per second at 4k without frame drops? What is it? I have been looking for one for years!

> Of course the more elegant solution then is to use some virtio based graphics pass-through driver doing all that, without running MIT-SHM screen grabber X11 clients shoving around frames. I want less kludges, not more.

That would be Looking Glass, but its author's position is (paraphrasing) "Stuff like this already exists for Linux so there's no support for a Linux guest". Alas, no one can point to it.




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