Re: Spice console pixelated noise on display changes

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On 05/07/2018 16:56, Mitja Mihelič wrote:


On 19/06/2018 10:09, Victor Toso wrote:
Hi,

On Mon, Jun 18, 2018 at 04:23:32PM +0200, Mitja Mihelič wrote:
Does it work fine with remote-viewer?
Question ^

You could try different image compression too,
e.g image-compression=off
https://people.freedesktop.org/~teuf/spice-doc/html/ch03.html

Cheers,
          toso

Why would this be happening? Help would be very much
appreciated.

Kind regards,
Mitja

I would also try to download a new version of spice-html5 and use
it directly to see if the problem is fixed.

Note that you can set image compression using libvirt like

    <graphics type='spice' port='5901' autoport='no'>
      <image compression='auto_glz'/>
    </graphics>

(note the "image" element inside "graphics").

Frediano
Where would I set those options?
You must have access to the host which is the computer running
qemu and run `virsh edit $domain` for the xml file

         toso
Here are the sections containing the string "spice".

    <channel type='spicevmc'>
      <target type='virtio' name='com.redhat.spice.0'/>
      <address type='virtio-serial' controller='0' bus='0' port='3'/>
    </channel>
...
    <graphics type='spice' autoport='yes' keymap='en-us' defaultMode='secure' passwd='*****' passwdValidTo='1970-01-01T00:00:01'>
      <listen type='network' network='vdsm-ovirtmgmt'/>
      <channel name='main' mode='secure'/>
      <channel name='display' mode='secure'/>
      <channel name='inputs' mode='secure'/>
      <channel name='cursor' mode='secure'/>
      <channel name='playback' mode='secure'/>
      <channel name='record' mode='secure'/>
      <channel name='smartcard' mode='secure'/>
      <channel name='usbredir' mode='secure'/>
    </graphics>

Is there anything else I should be looking at?

Kind regards,
Mitja
The previous output was taken from a server, where SPICE works. This one is from a server that produces the initially described issue. The only difference I see are the passwd and passwdValidTo settings.

    <channel type='spicevmc'>
      <target type='virtio' name='com.redhat.spice.0'/>
      <address type='virtio-serial' controller='0' bus='0' port='3'/>
    </channel>
...
    <graphics type='spice' autoport='yes' keymap='en-us' defaultMode='secure'>
      <listen type='network' network='vdsm-ovirtmgmt'/>
      <channel name='main' mode='secure'/>
      <channel name='display' mode='secure'/>
      <channel name='inputs' mode='secure'/>
      <channel name='cursor' mode='secure'/>
      <channel name='playback' mode='secure'/>
      <channel name='record' mode='secure'/>
      <channel name='smartcard' mode='secure'/>
      <channel name='usbredir' mode='secure'/>
    </graphics>

Kind regards,
Mitja
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