Basic Information:
Printer Model: Ender-3
MCU / Printerboard: Creality 4.2.2 with GD32F303
Host / SBC: Antix running Octoprint
klippy.log: not updating, but added below anyway
Starting Klippy...
Args: ['/home/octoprint/klipper/klippy/klippy.py', '/home/octoprint/printer_data/config/printer.cfg', '-I', '/home/octoprint/printer_data/comms/klippy.serial', '-l', '/home/octoprint/printer_data/logs/klippy.log', '-a', '/home/octoprint/printer_data/comms/klippy.sock']
Git version: 'v0.12.0-410-gcf3b0475d'
Branch: master
Remote: origin
Tracked URL: https://github.com/Klipper3d/klipper
CPU: 2 core Intel(R) Pentium(R) Dual CPU T3400 @ 2.16GHz
Python: '3.11.2 (main, Aug 26 2024, 07:20:54) [GCC 12.2.0]'
Building C code module c_helper.so
Start printer at Sat Jan 18 19:40:48 2025 (1737229248.3 1833.7)
===== Config file =====
[mcu]
serial = /dev/serial/by-id/<your-mcu-id>
[virtual_sdcard]
path = /home/octoprint/printer_data/gcodes
on_error_gcode = CANCEL_PRINT
[printer]
kinematics = none
max_velocity = 1000
max_accel = 1000
=======================
mcu 'mcu': Starting serial connect
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/<your-mcu-id>: [Errno 2] No such file or directory: '/dev/serial/by-id/<your-mcu-id>'
MCU error during connect
Traceback (most recent call last):
File "/home/octoprint/klipper/klippy/mcu.py", line 793, in _mcu_identify
self._serial.connect_uart(self._serialport, self._baud, rts)
File "/home/octoprint/klipper/klippy/serialhdl.py", line 183, in connect_uart
self._error("Unable to connect")
File "/home/octoprint/klipper/klippy/serialhdl.py", line 61, in _error
raise error(self.warn_prefix + (msg % params))
serialhdl.error: mcu 'mcu': Unable to connect
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/octoprint/klipper/klippy/klippy.py", line 131, in _connect
self.send_event("klippy:mcu_identify")
File "/home/octoprint/klipper/klippy/klippy.py", line 223, in send_event
return [cb(*params) for cb in self.event_handlers.get(event, [])]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/octoprint/klipper/klippy/klippy.py", line 223, in <listcomp>
return [cb(*params) for cb in self.event_handlers.get(event, [])]
^^^^^^^^^^^
File "/home/octoprint/klipper/klippy/mcu.py", line 798, in _mcu_identify
raise error(str(e))
mcu.error: mcu 'mcu': Unable to connect
mcu 'mcu': Unable to connect
Once the underlying issue is corrected, use the
"FIRMWARE_RESTART" command to reset the firmware, reload the
config, and restart the host software.
Error configuring printer
No build file /home/octoprint/klipper/klippy/../.config
No build file /home/octoprint/klipper/klippy/../out/klipper.dict
No build file /home/octoprint/klipper/klippy/../out/klipper.elf
I have tried all the suggestions on here and I still can’t get connected.
Octoprint has been running great and I had a recent version Marlin firmware flashed on my printer, and I can reflash that firmware with no problems. Not sure if the Klipper is even flashing as the screen stays blank and octoprint just says
Klipper: Standby and in terminal I only get:
Changing monitoring state from "Offline" to "Opening serial connection"
Connecting to port /home/octoprint/printer_data/comms/klippy.serial, baudrate 250000
…
