#StackBounty: #18.04 #xorg #screen #vnc #display-manager Ubuntu 18.04 VNC/Vino stops refreshing when turning display off

Bounty: 50

After upgrading from 16.04 to 18.04 I’m having trouble with VNC/Vino.

I can connect via VNC (by enabling the built-in ‘Screen Sharing’ option), but as soon as I turn of the local display (server is connected to a TV, not a regular monitor), the VNC connection stops working for anything but the active windows. In other words: the background and the dock are not refreshed and the connection becomes very difficult to use (see screenshot).

Anyone has any idea where to look for a solution? I saw some posts about adding a dummy monitor, but that does not seem to apply to my case.
screenshot


Get this bounty!!!

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