So your problem has no direct relation to this one, you should open a new thread.
It seems like the problem is intermittent for me
I don't believe it's a Recalbox bug, it seems to be a problem exclusively for you, as I don't see reports from other users.
but I would need to have some bread crumbs for what to investigate.
Use the latest official version, and the default theme and then check if it happens again, if it happens, open a new thread with as much information as possible.
Also test with another joystick if possible, intermittent errors can be caused by some bad hardware contact for example (I'm not saying this is the case, but it's a possibility).
Sim, testei em outros emuladores, como snes e master system, o problema só ocorre no Dreamcast, por isto frisei o emulador em questão. Já verifiquei as ligações e parece estar correta, vou fotografar as ligações e postar aqui.
w00t! i solved it and it was the stupidest fucking thing. Turns out i was tinkering around with the power switch scripts (to turn a button into safe shutdown switch) and since i forgot to comment the line back, and the VGA666 was taking all the GPIO pins, it was probably triggering it into shutdown. It was confusing me because i had no screen stating that the script was being triggered into running and the screen went away in a really strange way.
shit at least i solved without going insane at the pi or the vga or whatever. haven't tested the hdd but it was clear as daylight when i saw the powerswitch.sh being started at the log (should check logs more often i know). thanks anyways!