I know I'm asking a lot of questions these days, but I'm pretty excited about
some of these new features in Xen 4.
The VGA Pass-Through is great, however, when the domU is shut down, the video
card is still "active" and I get a bunch of display artifacts on the screen. I
was wondering if there's a way to tell the video card to go to sleep, or
something similar, when the domU is shut down - change the power state,
something like that. Or alternatively, have it refresh with information from
dom0?
I'm hoping to be able to set up some desktop machines that are running Xen in a
transparent fashion to the end-user - that is, all the end user sees is the
BIOS screen, the Windows HVM domU boot screen, etc. I've already switched the
power button functionality on my Linux distribution such that the power button
does either an "xm start <domU>" or an "xm shutdown <domU>" rather than
actually controlling the power state of the physical machine. Getting the
video card to behave a little bit better once the domU is shut down would be
one of a couple of finishing touches on this sort of transparent setup, where
Xen is being run and the user doesn't know/care.
Thanks - Nick
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