Hi folks, I just noticed I was one commit behind, so did a fetch and make app-flash. No joy... What broke? (and, how to fix?) Greg greg@linux-0rpb:~/greg/ovms/Open-Vehicle-Monitoring-System-3-master/Open-Vehicle-Monitoring-System-3/vehicle/OVMS.V3> make app-flash Flashing app to serial port /dev/ttyUSB0, offset 0x10000... esptool.py v2.1 Traceback (most recent call last): File "/home/greg/esp/esp-idf/components/esptool_py/esptool/esptool.py", line 2524, in <module> _main() File "/home/greg/esp/esp-idf/components/esptool_py/esptool/esptool.py", line 2517, in _main main() File "/home/greg/esp/esp-idf/components/esptool_py/esptool/esptool.py", line 2246, in main esp = chip_class(args.port, initial_baud) File "/home/greg/esp/esp-idf/components/esptool_py/esptool/esptool.py", line 177, in __init__ self._port = serial.serial_for_url(port) File "/usr/lib/python2.7/site-packages/serial/__init__.py", line 88, in serial_for_url instance.open() File "/usr/lib/python2.7/site-packages/serial/serialposix.py", line 268, in open raise SerialException(msg.errno, "could not open port {}: {}".format(self._port, msg)) serial.serialutil.SerialException: [Errno 2] could not open port /dev/ttyUSB0: [Errno 2] No such file or directory: '/dev/ttyUSB0' make: *** [/home/greg/esp/esp-idf/components/esptool_py/Makefile.projbuild:62: app-flash] Error 1 greg@linux-0rpb:~/greg/ovms/Open-Vehicle-Monitoring-System-3-master/Open-Vehicle-Monitoring-System-3/vehicle/OVMS.V3>