For my Logitech Gamepad F510 I needed 2 changes:
/opt/retropie/configs/all/retroarch.cfg
input_joypad_driver = sdl (was input_driver = sdl2 )
/opt/retropie/configs/all/retroarch-joypads/LogitechGamepadF510.cfg
input_driver = sdl ( was input_driver = “udev” )
