[gentoo-user] How to restart/fix frozen XFCE4

[thelma]

At time to time my XFCE4 freezes.  The screen is responding to the keyboard, 
mouse pointer is moving on the screen but nothing is responding.
I just lookup some solutions and found this one:

- press: CTRL+Alt+T  (to get to terminal)
- pidof xfce4-panel
- kill -9 pid

xfwm4 --replace &

Any other solutions?

Thelma