LinuxCNC gcode hangs on M63 "main loop took x seconds"

; Deactivate tool release to grab tool M63 P17 G91 G1 Z[-#<z_jump>] F[#<z_jump_speed>]

task: main loop took 0.110972 seconds

O<change_tool> sub ; X offset from pocket when moving in/out to change tool #<pocket_x_offset>=100.0 ; Amount of Z that the spindle pulls/pushes the tool when activating the tool changer #<z_jump>=2.0 ; Speed that z_jump happens #<z_jump_speed>=2000 M70 ; Save modal state G49 ; Cancel tool length compensation G21 ; Move in mm G90 ; Move in absolute ; Retract the shoe M9 ; Move to Z0 to clear table and tool rack G53 G0 Z0 ; Check if a tool is detected in the spindle ; Ignore for now ;M66 ... #<tool_detected>=1 o100 if [#<selected_tool> NE #<tool_in_spindle>] o110 if [#<tool_in_spindle> GT 0] ; o110 if [[#<tool_in_spindle> GT 0] AND [#<tool_detected> EQ 1]] ; Unload current tool to pocket ; Extend pocket o<extend_pocket> call [#<tool_in_spindle>] ; Move to pocket plus X offset before moving in X o<go_to_pocket> call [#<tool_in_spindle>] [#<pocket_x_offset>] #<abs_pocket_z>=#<_value> ; Move down to height of the tool rack G53 G0 Z[#<abs_pocket_z>] ; Make sure that the spindle has stopped. M66 P35 L4 Q10 o140 if [#5399 EQ -1] (debug, Spindle did not stop within 10 seconds) M0 o140 endif ; Move in by X offset G91 G0 X[-#<pocket_x_offset>] ; Check that air pressure is 100psi min ; Release the tool while simultaneously moving up M64 P17 G4 P0.20 G91 G1 Z[#<z_jump>] F[#<z_jump_speed>] M61 Q0 ; Complete motion and move up fully G53 G90 G0 Z0 ; Re-engage tool changer M65 P17 ; Retract pocket o<retract_pocket> call [#<tool_in_spindle>] G4 P1 ; Check that no tool is detected ; o110 elseif [[#<tool_in_spindle> GT 0] AND [#<tool_detected> EQ 0]] ; (debug, Tool is loaded but not detected) ; o110 elseif [[#<tool_in_spindle> EQ 0] AND [#<tool_detected> EQ 1]] ; (debug, Tool is not loaded but is detected) o110 else (debug, No tool currently loaded) o110 endif o120 if [#<selected_tool> GT 0] ; Extend the pocket with the new tool o<extend_pocket> call [#<selected_tool>] ; Move directly to pocket above new tool o<go_to_pocket> call [#<selected_tool>] [0.0] #<abs_pocket_z>=#<_value> ; Make sure that the spindle is not running. M66 P35 L4 Q10 o150 if [#5399 EQ -1] (debug, Spindle did not stop within 10 seconds) M0 o150 endif ; Activate tool release M64 P17 ; Move down to grab tool G53 G0 Z[#<abs_pocket_z>+#<z_jump>] ; Deactivate tool release to grab tool M63 P17 G91 G1 Z[-#<z_jump>] F[#<z_jump_speed>] ; Retract pocket and move to X offset o<retract_pocket> call [#<selected_tool>] G91 G0 X[#<pocket_x_offset>] ; Retract Z fully G53 G90 G0 Z0 M61 Q[#<selected_tool>] ; Call probe routine if no tool offset exists (ie. equal zero). o130 if [#5403 GT -1] o<z_offset> call [#<selected_tool>] o130 endif o120 endif o100 endif ; Apply the tool offset. ; Placed here because vcarce gcode output will remove tool offsets before tool change. ; Tool length offset needs to be applied even if the tool is already loaded. G43 H[#<selected_tool>] M72 ; Restore modal state G43 H[#<selected_tool>] O<change_tool> endsub [1] M2

O<extend_pocket> sub #<pocket>=[#1] M64 P[#<pocket>] #<timeout_s>=2 o100 if [#<pocket> EQ 1] M66 P2 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 2] M66 P4 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 3] M66 P6 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 4] M66 P8 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 5] M66 P10 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 6] M66 P12 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 7] M66 P14 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 8] M66 P16 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 9] M66 P18 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 10] M66 P20 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 11] M66 P22 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 12] M66 P24 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 13] M66 P26 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 14] M66 P28 L3 Q[#<timeout_s>] o100 elseif [#<pocket> EQ 15] M66 P30 L3 Q[#<timeout_s>] o100 endif o110 if [#5399 EQ -1] (debug, Paused: Pocket [#<pocket>] did not extend. Resume to set high pressure and continue.) M0 o110 endif M64 P20 ; Set high pressure O<extend_pocket> endsub [1] M2

; Do not edit values in this file O<go_to_pocket> sub #<pocket>=[#1] #<x_offset>=[#2] #<abs_pocket_z>=-72.5 G49 ; Cancel tool length compensation G21 ; Move in mm ; Retract Z fully G53 G90 G0 Z0 o100 if [#<pocket> EQ 1] G53 G0 X[-68.678251+#<x_offset>] Y-60.976070 ; Pocket 1 o100 elseif [#<pocket> EQ 2] G53 G0 X[-68.742418+#<x_offset>] Y41.849836 ; Pocket 2 o100 elseif [#<pocket> EQ 3] G53 G0 X[-68.314084+#<x_offset>] Y148.370749 ; Pocket 3 o100 elseif [#<pocket> EQ 4] G53 G0 X[-68.238618+#<x_offset>] Y254.000046 ; Pocket 4 o100 elseif [#<pocket> EQ 5] G53 G0 X[-67.813618+#<x_offset>] Y357.952617 ; Pocket 5 o100 elseif [#<pocket> EQ 6] G53 G0 X[-67.511284+#<x_offset>] Y462.964593 ; Pocket 6 o100 elseif [#<pocket> EQ 7] G53 G0 X[-67.624618+#<x_offset>] Y566.826919 ; Pocket 7 o100 elseif [#<pocket> EQ 8] G53 G0 X[-67.214618+#<x_offset>] Y672.035324 ; Pocket 8 o100 elseif [#<pocket> EQ 10] G53 G0 X[-67.563784+#<x_offset>] Y881.168728 ; Pocket 10 o100 elseif [#<pocket> EQ 11] G53 G0 X[-68.058784+#<x_offset>] Y986.224632 ; Pocket 11 o100 elseif [#<pocket> EQ 12] G53 G0 X[-67.385451+#<x_offset>] Y1090.113870 ; Pocket 12 o100 elseif [#<pocket> EQ 13] G53 G0 X[-67.041568+#<x_offset>] Y1196.961433 ; Pocket 13 o100 elseif [#<pocket> EQ 14] G53 G0 X[-67.590735+#<x_offset>] Y1301.370671 ; Pocket 14 o100 elseif [#<pocket> EQ 15] G53 G0 X[-67.744901+#<x_offset>] Y1404.963243 ; Pocket 15 o100 endif O<go_to_pocket> endsub [#<abs_pocket_z>] m2

; Deactivate tool release to grab tool M63 P17 (DEBUG, Z-#<z_jump> F#<z_jump_speed>) G91 G1 Z[-#<z_jump>] F[#<z_jump_speed>] M66 E0 L0 (queuebuster to stop read ahead here) ; Retract pocket and move to X offset o<retract_pocket> call [#<selected_tool>]