This is a heads up that a rather bizarre issue has surfaced with some of the recent updates to KlipperScreen, see My post on Discord and the surrounding posts. Two of my printers, both running Pi OS Buster started behaving erratically a few days ago - particularly when attempting FIRMWARE_RESTART. …

I can confirm that one of the 191 packages is the “evil” ModemManager. This issue can therefore be resolved by issuing the following command: sudo systemctl disable ModemManager.service Credits to Dragonkitty on Discord for describing the issue in detail.

Recent KlipperScreen commits break Klipper on Buster

General Discussion

Sineos December 18, 2022, 3:41pm 11

In fact there are more than just the modemmanager that can spoil your fun. See Ender 3 V2 - Linux Machine - NO MCU FOUND - #4 by Sineos

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Recent KlipperScreen commits break Klipper on Buster

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