[Spice-devel] Multi-head Spice

[Christophe de Dinechin]

> On 28 Feb 2017, at 10:01, Snir Sheriber <ssheribe at redhat.com> wrote:
> 
> Hi,
> 
> On 02/28/2017 09:58 AM, Christophe Fergeau wrote:
>> On Mon, Feb 27, 2017 at 04:18:12PM -0600, Jonathon Jongsma wrote:
>>> On Mon, 2017-02-27 at 17:53 +0100, Christophe de Dinechin wrote:
>>>> I tried to setup a multi-head guest, but I’m having trouble getting
>>>> multiple displays to work correctly
>>>> 
>>>> For Jonathon, the part that I had trouble with was adding “heads =
>>>> ‘4’" to the video / QXL configuration. I don’t see it documented in
>>>> https://www.spice-space.org/spice-user <https://www.spice-space.org/spice-user>-
>>>> manual.html#_multiple_monitor_support.
>>> Yep, it's a fairly new feature. I'm working on additional multi-monitor 
>>> documentation and will be sure to include that.
>> Yep, we totally missed it when 'heads' support was added :( virt-manager
>> UI needs to be able to set this too..
>> 
>>>> For Christophe F, what I get with the configuration file http://paste <http://paste/>
>>>> bin.com/FEXbjaE3 is shown in the following picture https://redskincat <https://redskincat/>
>>>> .wordpress.com/2017/02/27/learning-more-about-mesa/#jp-carousel-1224.
>>>> As far as I remember, this is pretty much a default configuration of
>>>> Fedora 25 after install from the live CD. If I understand correctly,
>>>> the difference with you is that I actually installed.
>>>> 
>>>> Does anybody else see this? If not, what could be wrong with my
>>>> setup?
>>>> 
>>> I don't see anything obviously wrong with the configuration. If you
>>> close the spice client and immediately re-connect does it still show
>>> the same thing in both windows?
>>> 
>>> Can you capture the debug output of running virt-viewer with the --
>>> debug and --spice-debug options while you enable the second monitor?
>>> That might give a clue about what's happening.
>> Also, what window manager are you using on the client? The window
>> decorations don't look like default GNOME setup? The linux client is
>> running on bare-metal, not in an osx VM?
>> 
>> Christophe
>> 
> 
> I'm having similar issue here (fed 25 guest), and even worse :/,

Good to know I’m not hallucinating or heisenbugging ;-)

> when
> i set up the 2 displays as primary and secondary it starts by showing both
> displays as secondary (2) but when i move the mouse towards the
> menu both are becoming primary (1) , and it keeps jumping between 1<->2

Towards which menu? I don’t think I have tried this operation. If I can bring Muse back up, I can try this.

> 
> I tried both x11 and wayland on the fedora 25 guest - same issue, but works
> well with fedora 24 guest

So this would be a problem with QXL more than with virt-viewer?

Christophe

> 
> http://pastebin.test.redhat.com/459770 <http://pastebin.test.redhat.com/459770>
> 
> Snir.
> 
>> 
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