Basic Information: Printer Model: Single Extruder Sovol SV04 MCU / Printerboard: BTT Octopus V1.1 Host / SBC BTT Pi klippy.log (551.8 KB) Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed Be s…

You’re running a modified version of Klipper. It looks like you have a lot of untracked “addon” files related to a MMU and “dynamic macros.” Try again with a clean codebase and see if the problem persists.

@theophile I have Reinstalled a clean version of klipper but unfortunately the error is persisting. I have included the new Klippy.log file klippy_Clean.log (238 KB)

@Sineos This is an unhelpful answer I have repeatedly ran the FIRMWARE_RESTART command after this notification and it still continues to produce this. I understand that it is not necessarily and error more of a notification of the disconnect, But what would cause the disconnect without reporting an…

I’m not positive, but my money is on connection problem between the host and the MCU. In both logs the error shows up while trying to process the MCU config. On your host, ssh into the system after an error like this and check your dmesg output for any signs of USB connection/reconnection or any ot…

Both logs showed something caused a full restart of the Klipper host process. Stats 3054.0: gcodein=0 mcu: mcu_awake=0.005 mcu_task_avg=0.000007 mcu_task_stddev=0.000006 bytes_write=27553 bytes_read=119981 bytes_retransmit=9 bytes_invalid=0 send_seq=1971 receive_seq=1971 retransmit_seq=2 srtt=0.00…

Mcu.error: Can not update MCU 'mcu' config as it is shutdown

General Discussion

Sineos May 29, 2025, 9:01pm 3

See Can not update MCU '<name>' config as it is shutdown

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Mcu.error: Can not update MCU 'mcu' config as it is shutdown

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