[Spice-devel] Multi-head Spice

[Christophe de Dinechin]

> On 28 Feb 2017, at 10:15, Pavel Grunt <pgrunt at redhat.com> wrote:
> 
> Hi,
> 
> On Tue, 2017-02-28 at 11:01 +0200, Snir Sheriber 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-
>>>>> 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
>>>>> bin.com/FEXbjaE3 is shown in the following picture https://red
>>>>> skincat
>>>>> .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 :/,
>> 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
>> 
>> I tried both x11 and wayland on the fedora 25 guest - same issue,
>> but works
>> well with fedora 24 guest
>> 
>> http://pastebin.test.redhat.com/459770
> 
> per:
> (remote-viewer:13074): GSpice-DEBUG: channel-display.c:1726 display-
> 2:0: received new monitors config from guest: n: 2/4
> (remote-viewer:13074): GSpice-DEBUG: channel-display.c:1746 display-
> 2:0: monitor id: 0, surface id: 0, +0+0-1024x768
> (remote-viewer:13074): GSpice-DEBUG: channel-display.c:1746 display-
> 2:0: monitor id: 1, surface id: 0, +0+0-1024x740
> 
> the guest requests to "mirror". Does it have enough memory for qxl? Do
> you have `virsh dumpxml` ?

This was in my initial mail, http://pastebin.com/FEXbjaE3 <http://pastebin.com/FEXbjaE3> 

Christophe

> 
> Pavel
> 
>> 
>> Snir.
>> 
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