Looking for an old MCU shutdown issue

General Discussion
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Basic Information:

Printer Model: Custom
MCU / Printerboard: BTT SKR 1.4
Host / SBC: old Intel i5 laptop
klipper.log (20.4 KB)

Describe your issue:

I used to follow an issue that seems to be fixed now. I’m asking here because I lost the link during an OS re-install and I’m now trying to relocate it again, to make sure that it’s truly fixed.

There issue was something these lines: the MCU entered shutdown with a particular error (not heating fast enough?! I think) and the nozzle was kept always on, making it go to very high temperatures and heating the extruder gantry like crazy, which was a very good reason to not go away from the printer, even for 5 minutes.

I used to be able to reproduce the issue on both of my custom Klipper printers (the 2nd one using an A8 style board), but I no longer remember the steps, any pointers are welcome.

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