On Tue, 2023-10-17 at 22:14 +0200, Patrick Dupre via users wrote:
> > It's very possible that your BIOS doesn't support waking up from
> > the
> > keyboard.
> Actually, it works fine, except when I go through a KVM

KVMs are not all created equal.

When I set up my VM system for gaming, I had a virtual Windows machine
connected to a GPU card, while the host Linux system used the internal
GPU on the motherboard. Both were connected via a KVM to a single
monitor and I could switch between them.

Except that it didn't work. I finally traced the problem to the KVM not
maintaining a live signal on the "disconnected" input port, meaning
that the VM thought it had no video.

I finally got a different brand KVM which does maintain all output
ports in a live condition, and the problem went away.

Obviously a keyboard connection is not the same thing, but if one of
your systems thinks it has no video output, it might not want to wake
up. Just a thought.

poc
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