Xlib:  extension "Generic Event Extension" missing on display ":1021.0".
Xlib:  extension "Generic Event Extension" missing on display ":1021.0".
Xlib:  extension "Generic Event Extension" missing on display ":1021.0".
Xlib:  extension "Generic Event Extension" missing on display ":1021.0".
Xlib:  extension "Generic Event Extension" missing on display ":1021.0".
Xlib:  extension "Generic Event Extension" missing on display ":1021.0".
Xlib:  extension "Generic Event Extension" missing on display ":1021.0".
Xlib:  extension "Generic Event Extension" missing on display ":1021.0".
link  hasn't been detected!
link  hasn't been detected!
Segmentation fault (core dumped)
