[vfio-users] VM has no display [SOLVED]

[Patrick O'Callaghan]

On Thu, 2017-11-23 at 17:57 +0000, Patrick O'Callaghan wrote:
> While experimenting with display settings inside Windows 10, trying to
> get it to not duplicate the display between the host console and guest
> monitor (the two displays have recently started duplicating each other,
> which they didn't used to do; this may be related to my updating to
> Fedora 27 but I'm not aware of changing anything intentionally) I have
> managed to get it to not display on either, which I didn't know was
> even possible.
> 
> Since my Win10 installation is on a raw drive, I dual-booted and after
> some grumbling from Windows about "getting devices ready", it booted,
> using the 2nd GPU. However back in VM-mode under virt-manager I still
> get no display, neither on the console window nor on switching monitor
> input to the 2nd GPU. I tried again, this time telling Windows to
> duplicate the displays (i.e. attempting to get back to where I was) but
> that hasn't worked.
> 
> My setup uses the default QXL video, PS/2 mouse and virtio keyboard,
> all of which have been working up till now. 

I changed the video from QXL to virtio and magically it started working
again. This is without touching anything in Windows.

poc