@Fyodor,
which window manager are you using? How exactly are you trying to ungrab the mouse, using control-alt? What sort of window pops up? Would doing 'sleep 1m; xterm &' in another terminal, then letting the VM window take the mouse suffice?
@Fyodor,
which window manager are you using? How exactly are you trying to ungrab the mouse, using control-alt? What sort of window pops up? Would doing 'sleep 1m; xterm &' in another terminal, then letting the VM window take the mouse suffice?