Andrea,
Could you please try unity from lp:~dandrader/unity/lp942625 and tell us if the hang still occurs? And also whether you get the warnings "GestureEngine - XQueryTree failed!" and/or "GestureEngine: data->window == 0"?
Andrea,
Could you please try unity from lp:~dandrader/unity/lp942625 and tell us if the hang still occurs? And also whether you get the warnings "GestureEngine - XQueryTree failed!" and/or "GestureEngine: data->window == 0"?