Do you have any input remapping set-up ? Does it happen only on GBA games ?
Please provide the rest of the info asked in https://retropie.org.uk/forum/topic/3/read-this-first (emulator, image used for installation, etc.)

@chuckwurt said in Raspberry Pi 4 using 4 controllers Help:

I have a Pi 4 8 gig using emulation station and it’s in an arcade 1up.

Does this mean you're using RetroPie ? Please give more details about your system, as explained in https://retropie.org.uk/forum/topic/3/read-this-first.

When navigating the menus all controllers work fine. Once I enter a game to play, only the Logitech controllers work.

If the game is a max 2player game, then only the first 2 controllers will work. What game/emulator are you using ?

@thorr69 TBH it's probably the best-case scenario. It's brand new and I should be able to get a refund, and better that than the Pi being knackered or unable to run Retropie :)

@unknown that makes sense. you would have had the 64-bit kernel with the 32-bit userland, confusing things.

My favorite for all games is crt-pi, I love the look that the scanlines give. It looks good with everything from psx, to gba, to snes, to arcade.

@greenhawk84 to be clear they’re never going to fix dispmanx/omx support. these utilise features of the original closed source gpu firmware that they have replaced with an open, more standard linux solution. it’s not all bad news, though, as there’s typically an alternative solution (eg vlc rather than omx, but you may have to re-encode/replace your videos).

Hi Mitu, Thanks for confirming that. I'll move the effected games to use a different Emulator. Cheers Simon

@mitu @BuZz my bad

Edit : maybe split the 32/64 bit convo in a new topic