Klipper Kinematics Bug Report

General Discussion
1

Run the following G-code on a normal machine:

M104 T0 S170
G28
M109 T0 S170
G1 F180 E-1
G1 F3600 X132.959 Z0.2
G1 F3600 X132.955 E0

It will report an error and shut down:

MCU ‘mcu’ shutdown: Stepper too far in past
This generally occurs when the micro-controller has been
requested to step at a rate higher than it is capable of
obtaining.
Once the underlying issue is corrected, use the
“FIRMWARE_RESTART” command to reset the firmware, reload the
config, and restart the host software.
Printer is shutdown

Is there an expert to help solve this bug？

2

Could you please provide the information that was requested of you when you first posted:
Printer Model:
MCU / Printerboard:
klippy.log

Nothing will happen without this information. I would suggest that you also include what is your host machine (ie is it a Raspberry Pi?).

I’m curious to know what a “normal machine” is. I didn’t think such an animal existed.

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