I know I'm late to the party with GPU passthrough, but holy crap is it great! I first tried to set it up with an old GeForce 1050 ti, but damned if nvidia isn't completely worthy of that middle finger Linus gave them. I switched to an older Radeon(rx570) and it worked PERFECTLY. I have a fully accelerated windows desktop running as a VM now that I can connect to via parsec.

Big fan.

Yesterday: Enjoying my VFIO machine running on Ubuntu. Windows nastiness confined to a VM, full performance graphics. Heaven.

Today: Take a system update. Systemd hanging on boot. No console output because systemd helpfully prevents all that from showing. AARGH!

Do we have vfio enthusiasts here?

Now that I made my second GPU boot into Arch Linux (inb4 I use arch, btw. jokes in the comments), I also set up a windows vm with GPU passthrough.

When I plug the monitor cable into the hdmi port of my passthrough'd GPU, I can see windows os on the screen.

My problem is that I want to have it inside of the same monitor without changing the from hdmi port to hdmi port manually, but "softwarely" (neologism ftw).

I read about looking-glass in the arch wiki (I use arch, btw. + On a serious side note though, I really like the arch wiki. It is very straightforward.), but I could not get it to synchronize with the Spice display server.

Does someone know how the solution to this problem?