[Bug 196777] Virtual guest using video device QXL does not reach GDM

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=196777

--- Comment #13 from Gerd Hoffmann (kraxel at redhat.com) ---
> > Workaround #1: turn off wayland.
> 
> Possible as a short term fix, but with wayland being pretty much "the way
> forward" it doesn't seem to be a workable long term solution.

Yes.

> So this brings up an interesting problem in how things are to move forward.

Kicked discussion on spice-devel list.
https://lists.freedesktop.org/archives/spice-devel/2017-October/040310.html

> It came up as a blocker in Fedora 27 today. Let's say we find a way to force
> boxes to revert to virtio-vga.  That wouldn't change any existing VMs, and
> it is something we have no control over when the host is not Fedora as well.

That would probably best done via libosinfo (because for guests without
virtio-vga guest drivers we better don't do the switch).  Which should be
picked up by other distros and projects too.

> It also would be a problem for non wayland guests.

Why?  The xorg modesetting driver works just fine with virtio-vga.

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