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[BUG] [3.9.0 RC1] Printer crashes/reboots when no filament is loaded in MMU #2500

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sgoll opened this issue Feb 18, 2020 · 3 comments · Fixed by #2466
Closed

[BUG] [3.9.0 RC1] Printer crashes/reboots when no filament is loaded in MMU #2500

sgoll opened this issue Feb 18, 2020 · 3 comments · Fixed by #2466
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@sgoll
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sgoll commented Feb 18, 2020

Printer type - MK3s
Printer firmware version - 3.9.0 RC1, 3.9.0 BETA

MMU Upgrade - MMU2S
MMU upgrade firmware version - 1.0.6

Describe the bug

When starting the default Linear Advance calibration pattern from https://marlinfw.org/tools/lin_advance/k-factor.html, the printer resets just between 7x7 bed leveling and actually starting the print.

This only happens when no filament has been loaded to the nozzle (MMU2S). When I manually load some filament to the nozzle (via the menu), the print proceeds as normal.

The crash/reboot does not happen for the same file with firmware 3.8.1.

To Reproduce

  • Generate Linear Advance calibration file from https://marlinfw.org/tools/lin_advance/k-factor.html (exact details do not matter, all defaults is sufficient to reproduce)
  • Do not feed filament to nozzle, just feed filament into MMU2S
  • Start the print (with 7x7 bed leveling enabled)

Expected behavior

There should be no hard reset/reboot of the printer. If anything, the printer should display an error message.

G-code

; ### Marlin K-Factor Calibration Pattern ###
; -------------------------------------------
;
; Printer: mk3s
; Filament: pla
; Created: Sun Feb 16 2020 15:54:55 GMT+0100 (Central European Standard Time)
;
; Settings Printer:
; Filament Diameter = 1.75 mm
; Nozzle Diameter = 0.4 mm
; Nozzle Temperature = 205 °C
; Bed Temperature = 60 °C
; Retraction Distance = 1 mm
; Layer Height = 0.2 mm
; Z-axis Offset = 0 mm
;
; Settings Print Bed:
; Bed Shape = Rect
; Bed Size X = 200 mm
; Bed Size Y = 200 mm
; Origin Bed Center = false
;
; Settings Speed:
; Slow Printing Speed = 1200 mm/min
; Fast Printing Speed = 4200 mm/min
; Movement Speed = 7200 mm/min
; Retract Speed = 1800 mm/min
; Printing Acceleration = 500 mm/s^2
; Jerk X-axis =  firmware default
; Jerk Y-axis =  firmware default
; Jerk Z-axis =  firmware default
; Jerk Extruder =  firmware default
;
; Settings Pattern:
; Linear Advance Version = 1.5
; Starting Value Factor = 0
; Ending Value Factor = 2
; Factor Stepping = 0.2
; Test Line Spacing = 5 mm
; Test Line Length Slow = 20 mm
; Test Line Length Fast = 40 mm
; Print Pattern = Standard
; Print Frame = false
; Number Lines = true
; Print Size X = 98 mm
; Print Size Y = 75 mm
; Print Rotation = 0 degree
;
; Settings Advance:
; Nozzle / Line Ratio = 1.2
; Bed leveling = 0
; Use FWRETRACT = false
; Extrusion Multiplier = 1
; Prime Nozzle = true
; Prime Extrusion Multiplier = 2.5
; Prime Speed = 1800
; Dwell Time = 2 s
;
; prepare printing
;
M104 S205 ; set nozzle temperature but do not wait
M190 S60 ; set bed temperature and wait
M109 S205 ; block waiting for nozzle temp
G28 ; home all axes with heated bed
G21 ; set units to millimeters
M204 P500 ; set acceleration
G90 ; use absolute coordinates
M83 ; use relative distances for extrusion
G92 E0 ; reset extruder distance
G1 X100 Y100 F7200 ; move to start
G1 Z0.2 F1200 ; move to layer height
;
; prime nozzle
;
G1 X51 Y62.5 F7200 ; move to start
G1 X51 Y137.5 E7.4835 F1800 ; print line
G1 X51.72 Y137.5 F7200 ; move to start
G1 X51.72 Y62.5 E7.4835 F1800 ; print line
G1 E-1 F1800 ; retract
;
; start the Test pattern
;
G4 P2000 ; Pause (dwell) for 2 seconds
G1 X61 Y62.5 F7200 ; move to start
M900 K0 ; set K-factor
M117 K0 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y62.5 E0.7982 F1200 ; print line
G1 X121 Y62.5 E1.5965 F4200 ; print line
G1 X141 Y62.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y67.5 F7200 ; move to start
M900 K0.2 ; set K-factor
M117 K0.2 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y67.5 E0.7982 F1200 ; print line
G1 X121 Y67.5 E1.5965 F4200 ; print line
G1 X141 Y67.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y72.5 F7200 ; move to start
M900 K0.4 ; set K-factor
M117 K0.4 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y72.5 E0.7982 F1200 ; print line
G1 X121 Y72.5 E1.5965 F4200 ; print line
G1 X141 Y72.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y77.5 F7200 ; move to start
M900 K0.6 ; set K-factor
M117 K0.6 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y77.5 E0.7982 F1200 ; print line
G1 X121 Y77.5 E1.5965 F4200 ; print line
G1 X141 Y77.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y82.5 F7200 ; move to start
M900 K0.8 ; set K-factor
M117 K0.8 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y82.5 E0.7982 F1200 ; print line
G1 X121 Y82.5 E1.5965 F4200 ; print line
G1 X141 Y82.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y87.5 F7200 ; move to start
M900 K1 ; set K-factor
M117 K1 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y87.5 E0.7982 F1200 ; print line
G1 X121 Y87.5 E1.5965 F4200 ; print line
G1 X141 Y87.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y92.5 F7200 ; move to start
M900 K1.2 ; set K-factor
M117 K1.2 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y92.5 E0.7982 F1200 ; print line
G1 X121 Y92.5 E1.5965 F4200 ; print line
G1 X141 Y92.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y97.5 F7200 ; move to start
M900 K1.4 ; set K-factor
M117 K1.4 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y97.5 E0.7982 F1200 ; print line
G1 X121 Y97.5 E1.5965 F4200 ; print line
G1 X141 Y97.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y102.5 F7200 ; move to start
M900 K1.6 ; set K-factor
M117 K1.6 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y102.5 E0.7982 F1200 ; print line
G1 X121 Y102.5 E1.5965 F4200 ; print line
G1 X141 Y102.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y107.5 F7200 ; move to start
M900 K1.8 ; set K-factor
M117 K1.8 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y107.5 E0.7982 F1200 ; print line
G1 X121 Y107.5 E1.5965 F4200 ; print line
G1 X141 Y107.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y112.5 F7200 ; move to start
M900 K2 ; set K-factor
M117 K2 ; 
G1 E1 F1800 ; un-retract
G1 X81 Y112.5 E0.7982 F1200 ; print line
G1 X121 Y112.5 E1.5965 F4200 ; print line
G1 X141 Y112.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X61 Y117.5 F7200 ; move to start
;
; mark the test area for reference
M117 K0 ;
M900 K0 ; set K-factor 0
G1 X81 Y117.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X81 Y137.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 X121 Y117.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X121 Y137.5 E0.7982 F1200 ; print line
G1 E-1 F1800 ; retract
G1 Z0.3 F1200 ; zHop
;
; print K-values
;
G1 X143 Y60.5 F7200 ; move to start
G1 Z0.2 F1200 ; zHop
G1 E1 F1800 ; un-retract
G1 X145 Y60.5 E0.0798 F1200 ; 0
G1 X145 Y62.5 E0.0798 F1200 ; 0
G1 X145 Y64.5 E0.0798 F1200 ; 0
G1 X143 Y64.5 E0.0798 F1200 ; 0
G1 X143 Y62.5 E0.0798 F1200 ; 0
G1 X143 Y60.5 E0.0798 F1200 ; 0
G1 E-1 F1800 ; retract
G1 Z0.3 F1200 ; zHop
G1 X143 Y70.5 F7200 ; move to start
G1 Z0.2 F1200 ; zHop
G1 E1 F1800 ; un-retract
G1 X145 Y70.5 E0.0798 F1200 ; 0
G1 X145 Y72.5 E0.0798 F1200 ; 0
G1 X145 Y74.5 E0.0798 F1200 ; 0
G1 X143 Y74.5 E0.0798 F1200 ; 0
G1 X143 Y72.5 E0.0798 F1200 ; 0
G1 X143 Y70.5 E0.0798 F1200 ; 0
G1 E-1 F1800 ; retract
G1 X146 Y70.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X146 Y70.9 E0.016 F1200 ; dot
G1 E-1 F1800 ; retract
G1 X147 Y70.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X147 Y72.5 F7200 ; move to start
G1 X147 Y74.5 F7200 ; move to start
G1 X147 Y72.5 E0.0798 F1200 ; 4
G1 X149 Y72.5 E0.0798 F1200 ; 4
G1 X149 Y74.5 F7200 ; move to start
G1 X149 Y72.5 E0.0798 F1200 ; 4
G1 X149 Y70.5 E0.0798 F1200 ; 4
G1 E-1 F1800 ; retract
G1 Z0.3 F1200 ; zHop
G1 X143 Y80.5 F7200 ; move to start
G1 Z0.2 F1200 ; zHop
G1 E1 F1800 ; un-retract
G1 X145 Y80.5 E0.0798 F1200 ; 0
G1 X145 Y82.5 E0.0798 F1200 ; 0
G1 X145 Y84.5 E0.0798 F1200 ; 0
G1 X143 Y84.5 E0.0798 F1200 ; 0
G1 X143 Y82.5 E0.0798 F1200 ; 0
G1 X143 Y80.5 E0.0798 F1200 ; 0
G1 E-1 F1800 ; retract
G1 X146 Y80.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X146 Y80.9 E0.016 F1200 ; dot
G1 E-1 F1800 ; retract
G1 X147 Y80.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X147 Y82.5 F7200 ; move to start
G1 X149 Y82.5 E0.0798 F1200 ; 8
G1 X149 Y80.5 E0.0798 F1200 ; 8
G1 X147 Y80.5 E0.0798 F1200 ; 8
G1 X147 Y82.5 E0.0798 F1200 ; 8
G1 X147 Y84.5 E0.0798 F1200 ; 8
G1 X149 Y84.5 E0.0798 F1200 ; 8
G1 X149 Y82.5 E0.0798 F1200 ; 8
G1 E-1 F1800 ; retract
G1 Z0.3 F1200 ; zHop
G1 X143 Y90.5 F7200 ; move to start
G1 Z0.2 F1200 ; zHop
G1 E1 F1800 ; un-retract
G1 X143 Y92.5 E0.0798 F1200 ; 1
G1 X143 Y94.5 E0.0798 F1200 ; 1
G1 E-1 F1800 ; retract
G1 X144 Y90.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X144 Y90.9 E0.016 F1200 ; dot
G1 E-1 F1800 ; retract
G1 X145 Y90.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X145 Y92.5 F7200 ; move to start
G1 X145 Y94.5 F7200 ; move to start
G1 X147 Y94.5 E0.0798 F1200 ; 2
G1 X147 Y92.5 E0.0798 F1200 ; 2
G1 X145 Y92.5 E0.0798 F1200 ; 2
G1 X145 Y90.5 E0.0798 F1200 ; 2
G1 X147 Y90.5 E0.0798 F1200 ; 2
G1 E-1 F1800 ; retract
G1 Z0.3 F1200 ; zHop
G1 X143 Y100.5 F7200 ; move to start
G1 Z0.2 F1200 ; zHop
G1 E1 F1800 ; un-retract
G1 X143 Y102.5 E0.0798 F1200 ; 1
G1 X143 Y104.5 E0.0798 F1200 ; 1
G1 E-1 F1800 ; retract
G1 X144 Y100.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X144 Y100.9 E0.016 F1200 ; dot
G1 E-1 F1800 ; retract
G1 X145 Y100.5 F7200 ; move to start
G1 E1 F1800 ; un-retract
G1 X145 Y102.5 F7200 ; move to start
G1 X147 Y102.5 E0.0798 F1200 ; 6
G1 X147 Y100.5 E0.0798 F1200 ; 6
G1 X145 Y100.5 E0.0798 F1200 ; 6
G1 X145 Y102.5 E0.0798 F1200 ; 6
G1 X145 Y104.5 E0.0798 F1200 ; 6
G1 X147 Y104.5 E0.0798 F1200 ; 6
G1 E-1 F1800 ; retract
G1 Z0.3 F1200 ; zHop
G1 X143 Y110.5 F7200 ; move to start
G1 Z0.2 F1200 ; zHop
G1 E1 F1800 ; un-retract
G1 X143 Y112.5 F7200 ; move to start
G1 X143 Y114.5 F7200 ; move to start
G1 X145 Y114.5 E0.0798 F1200 ; 2
G1 X145 Y112.5 E0.0798 F1200 ; 2
G1 X143 Y112.5 E0.0798 F1200 ; 2
G1 X143 Y110.5 E0.0798 F1200 ; 2
G1 X145 Y110.5 E0.0798 F1200 ; 2
G1 E-1 F1800 ; retract
G1 Z0.3 F1200 ; zHop
;
; finish
;
M104 S0 ; turn off hotend
M140 S0 ; turn off bed
G1 Z30 X200 Y200 F7200 ; move away from the print
M84 ; disable motors
M502 ; resets parameters from ROM
M501 ; resets parameters from EEPROM
;
@sgoll sgoll added the bug label Feb 18, 2020
@leptun
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leptun commented Feb 18, 2020

@sgoll The issue should be fixed by #2466
@vintagepc is this correct?

@vintagepc
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Yes, you are correct.

The underlying issue in that PR is that we hit an assert() during the runout routine if the current filament is undefined ("F?").

There are a number of ways to get in that situation, and I believe this is another such path, since a non-MMU print does not invoke T-codes to set a tool, nor have the Tx/Tc pair to invoke manual selection, which are the normal ways the filament becomes set during a cold start.

@vintagepc vintagepc mentioned this issue Feb 18, 2020
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@sgoll
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sgoll commented Feb 18, 2020

@leptun @vintagepc Ah, sounds good. I'll close this then and test again when the next version gets released.

Thank you both!

@sgoll sgoll closed this as completed Feb 18, 2020
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#2464 fix runout for unknown filament (also fixes #1993, #2301) vintagepc/Prusa-Firmware
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@sgoll @leptun @vintagepc