prusa3d / Prusa-Firmware

Firmware for Original Prusa i3 3D printer by PrusaResearch
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[BUG] 3.13.3-7094 on MK3S+ causes "FW crash detected!" during print with Octoprint #4674

Open ka0n opened 2 months ago

ka0n commented 2 months ago

Printer type - MK3S+ Printer firmware version - 3.13.3-7094

MMU upgrade - none MMU upgrade firmware version - n/a

SD card or USB/Octoprint Octoprint 1.9.3 on Raspberry Pi 4 Model B Rev 1.4

Describe the bug After upgrading from firmware 3.12.2 to 3.13.3, printing stops during print with error message: "FW crash detected!" for 3 print attempts in a row after various times (at 5th z-level, 30th z-level, after 1.5h)

To Reproduce

  1. Update firmware from 3.12.2 to 3.13.3
  2. Start print with octoprint
  3. After some time printing stops with error message "FW crash detected! ..."

Expected behavior Printer finishes print.

I have tried to reflash 3.13.3 - error persists I have redone temperature calibration - error persists

After downgrading to 3.12.2 - printer completes the print as expected

D21 crash dump crash dump D21 "FW crash detected!"

serial D21 FW crash dump.log

G-code

Lotus Blumat holder v6_0.6n_0.3mm_PETG_MK3S_1h56m.zip