pasquale@pasquale-desktop:~$ compiz
Segmentation fault (core dumped)

(gtk-window-decorator:11736): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:11736): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:11736): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:11736): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:11736): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:11736): Wnck-WARNING **: Unhandled action type (nil)