After a while of running, the session can slow down so that the environment reacts very slowly, window changes come only after seconds, and mouse clicks or keyboard presses only register after several seconds, too. This happens even if there is no significant load on the server machine.
On occasion, the session can actually recover from this state.
In PyHoca-GUI + Win 7 (I have used it for about one month now), it seems to be more stable and the "slow-down" problem appears less often.
The following might be related: when I open any keepass window, the window (db unlock, item display, whatever) is not drawn properly initially - some parts are not drawn and instead the contents of another window in the background is shown. At the same moment all x2go windows freeze for about 30 seconds and then all the apps (including keepass) continue to work normally. The originally scattered contents of keepass window is eventually drawn properly too. Keepass is a Mono app.
Milan