Ajout du contenu correspondant de es_log.txt :
[2021/06/25 14:06:54.970] (INFO ) : [Run] Launching game...
[2021/06/25 14:06:54.970] (INFO ) : [Input] Configure emulators command : -p1index 0 -p1guid 030000001f08000001e4000010010000 -p1name "USB gamepad " -p1nbaxes 2 -p1nbhats 0 -p1nbbuttons 10 -p1devicepath /dev/input/event6
[2021/06/25 14:06:54.970] (INFO ) : [Run] Controllers config : -p1index 0 -p1guid 030000001f08000001e4000010010000 -p1name "USB gamepad " -p1nbaxes 2 -p1nbhats 0 -p1nbbuttons 10 -p1devicepath /dev/input/event6
[2021/06/25 14:06:54.971] (INFO ) : [AudioManager] Shutting down SDL AUDIO
[2021/06/25 14:06:55.916] (INFO ) : [Run] Command: python /usr/lib/python2.7/site-packages/configgen/emulatorlauncher.pyc -p1index 0 -p1guid 030000001f08000001e4000010010000 -p1name "USB gamepad " -p1nbaxes 2 -p1nbhats 0 -p1nbbuttons 10 -p1devicepath /dev/input/event6 -system n64 -rom /recalbox/share/roms/n64/Mario\ Kart\ 64.n64 -emulator libretro -core mupen64plus_next -ratio auto
[2021/06/25 14:06:55.917] (INFO ) : [Pad2Keyboard] No pad2keyb configuration.
[2021/06/25 14:06:55.917] (INFO ) : [MQTT] Publishing to tcp://127.0.0.1:1883 from recalbox-emulationstation OK!
[2021/06/25 14:06:55.918] (INFO ) : [Hardware] Start in-game Hardware processes
Y-a-t-il d'autres moyens de diagnostic ?
Je désespère...