I recently upgraded remote computer and whey trying to connect via X2go with XFCE session produces just grey screen and it is hard to terminate the session.
When I select "Connect to local Desktop" (remote computer is running XFCE) the connection works. The remote and local computer running same version of x2go: net-misc/x2goclient-4.1.2.2-r1 net-misc/x2goserver-4.1.0.3-r1 -- Thelma