I was able to use vncviewer in the past to this machine with no problems.
After the upgrade I configured teh Remote Desktop Sharing correctly in the Settings.
When I try to connect to the machine I get:
vncviewer 192.168.20.19
Connected to RFB server, using protocol version 3.8
Performing standard VNC authentication
Password:
Authentication successful
But no screen. Apparently everything is working, but I get no screen back to the machine that is using the vncviewer. Tried everything that I could find /think of:
X11, Wayland, rdp, vnc, no firewall, ...
If I stop the remote with:
systemctl --user stop gnome-remote-desktop.service
I get:
vncviewer 192.168.20.19
Connected to RFB server, using protocol version 3.8
Performing standard VNC authentication
Password:
Authentication successful
vncviewer: read: Connection reset by peer
BTW, the above connections were made in loopback (the vncviewer is being executed in the 192.168.20.19 machine).
I need to use "barrier" to this machine and so RDP is out of the question, although I've used it to try and debug the situation, but I get the same behaviour: connects but no display back.
I have another 22.04 machine that was upgraded and the VNC is working fine.
So, at this moment I'«m completely at a loss. Any help is appreciated, namely to try and debug why this is happening on this machine.
Thanks.