Resolved! stty: /dev/ttyRPMSG0: No such file or directory
Board: STM32MP157F-DK2Distro: st-image-weston with kernel 5.15.67 (Starter Package)root@stm32mp1:~# modprobe rpmsg_tty root@stm32mp1:~# modprobe rpmsg_char root@stm32mp1:~# lsmod | grep rpm rpmsg_char 16384 0 rpmsg_tty 16384...