It looks like I get "Could not init font path element /usr/share/fonts/X11/..." a few times, then "unrecognised device identifier!" twice, and then things are quiet. Could you see if you get any more messages than that?
(process:5900): Gtk-WARNING **: Locale not supported by C library. Using the fallback 'C' locale. _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6 _XSERVTransOpen: transport open failed for inet6/Nokia-N900-42-11:1 _XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6 error opening security policy file /etc/X11/xserver/SecurityPolicy Could not init font path element /usr/share/fonts/X11/cyrillic, removing from list! Could not init font path element /usr/share/fonts/X11/100dpi/:unscaled, removing from list! Could not init font path element /usr/share/fonts/X11/75dpi/:unscaled, removing from list! Could not init font path element /usr/share/fonts/X11/100dpi, removing from list! Could not init font path element /usr/share/fonts/X11/75dpi, removing from list! unrecognised device identifier! unrecognised device identifier! FreeFontPath: FPE "/usr/share/fonts/X11/misc" refcount is 2, should be 1; fixing.