[virt-tools-list] [Spice-devel] [PATCH 0 of 4] RFC: add SPICE support (take 2)

Gerd Hoffmann kraxel at redhat.com
Mon Nov 22 11:46:56 UTC 2010

On 11/21/10 22:11, Marc-André Lureau wrote:
> Hi,
> ----- "Cole Robinson"<crobinso at redhat.com>  wrote:
>> A couple questions: are qxl and spice tied together? can qxl work
>> with
>> vnc and spice with cirrus?
> After a quick test, it seems you can mix spice or vnc with qxl or cirrus as you like.
> It would be nice if someone more experience with qemu/spice could confirm.

Well, depends ;)  In current upstrem (and Fedora 14) you can mix and 
match as you like as long as you have a single display only.

Multiheading with multiple qxl devices requires spice though, vnc 
exposes the primary display only.

Also older spice deployments are more restrictive.  In RHEL-5 spice+qxl 
depend on each other. In RHEL-6 you can display anything using spice, 
but rendering qxl on non-spice stops working as soon as the guest loads 
the qxl drivers.

Oh, and you can activate both spice and vnc at the same time.

>> - should --graphics spice imply --video qxl?
> That would be a good idea.

Indeed.  Even though the other combinations work and can be used if 
there is some reason spice gives best results when combined with qxl.


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