@windg said in Segfault with lr-mupen64plus-next on fresh install of bookworm lite 64bit, Pi 5.:
Try the following suggestion and reinstall the core :
https://retropie.org.uk/forum/post/292147
Sir, you are a genius. It worked, thank you!
I rebooted with kernel=kernel8.img added to /boot/firmware/config.txt.
Then reinstalled the core from source. And it fixed lr-mupen64plus-next.
Wishing you a wonderful holiday season.