Re: virtio-vga two monitors and spice

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Hi Michael,

On Fri, Aug 2, 2024 at 3:53 PM Michael Lipp <mnl@xxxxxx> wrote:
Hi,

when I start qemu with "-device virtio-vga,max_outputs=2" and connect
using spice, I get two windows representing two monitors as expected.

However, only one of these works. The other shows "Display output is not
active.". xrandr says "Virtual-2 disconnected" (consistent but not helpful).

Is this supposed to work? If so, what am I missing? Or do I have to use
QXL in order to use two monitors?

It should work.
Works for me with Fedora 40 host and Fedora 38 guest.
Make sure the guest has enough memory.
Better have spice-vdagent installed.
Make sure both monitors are enabled either from inside the guest (settings->displays)
or from the remote-viewer's monitor-icon at the top of the window.
Try to disable and enable the second monitor.

Uri.


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