[Spice-devel] Multiple monitors at 4K, in virt-manager?

[Julien Rope]

> I still am offered only 2952 x 1781 in the guest. With those settings
except 'heads="2"', it is exactly
> the same--that resolution, and only one display, "Virtual-0".
>
> As mentioned in my original message, when I use the Virtio instead of the
QXL device, I do get 4K,
> though again choosing 'heads="2"' doesn't give me an additional display
in the guest. (Curiously
> the one display I get is "Virtual-1" rather than "Virtual-0".) With this
device there's no option for
> changing the video memory in the XML.

The numbering (Virtual-0 vs Virtual-1) is expected - this is not an issue.

Do you actually get the choice of additional displays in virt-viewer (not
in the guest) ?
Under the top menu "View -> Displays" you should have a list of available
displays. Do you see them ? Are they enabled or grayed out ?

Best regards,
Julien


Le mar. 23 mars 2021 à 08:24, Dr. Jennifer Nussbaum <bg271828 at yahoo.com> a
écrit :

> On Monday, March 22, 2021, 01:35:46 PM EDT, Uri Lublin <uril at redhat.com>
> wrote:
>
> >  Hi,
> >
> >  It seems 64MB is not enough.
> >
> >  4096 * 2160 * 4 * 2 > 64MB
> >
> >  Can you try replacing all those 64MB below with 128MB ?
> >  Please try with 1 head first. Possibly 2 heads need
> >  more (but not for all params).
>
> I'm afraid there's no change.
>
> With the settings
>
> <video>
>       <model type="qxl" ram="131072" vram="131072" vgamem="131072"
> heads="1" primary="yes"/>
>       <address type="pci" domain="0x0000" bus="0x00" slot="0x09"
> function="0x0"/>
>  </video>
>
> I still am offered only 2952 x 1781 in the guest. With those settings
> except 'heads="2"', it is exactly
> the same--that resolution, and only one display, "Virtual-0".
>
> As mentioned in my original message, when I use the Virtio instead of the
> QXL device, I do get 4K,
> though again choosing 'heads="2"' doesn't give me an additional display in
> the guest. (Curiously
> the one display I get is "Virtual-1" rather than "Virtual-0".) With this
> device there's no option for
> changing the video memory in the XML.
>
> Thank you for sticking with this.
>
> Jen
> _______________________________________________
> Spice-devel mailing list
> Spice-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/spice-devel
>


-- 

Julien ROPÉ

Senior Software Engineer - SPICE

jrope at redhat.com
<https://www.redhat.com/>
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