root@debian:~/nwsp2/u-boot# kwboot -B 115200 /dev/ttyUSB0 -b u-boot.kwb -t kwboot version 2023.01 Patching image boot signature to UART Sending boot message. Please reboot the target.../
hangs on there. console is working (and not running atm)
the program does not hang because that last mark looks changes.