EMC dies when "BACKLASH" changed

["illya" <illya-at-d2.net.au>]

Hi list...

When I change the BACKLASH parameter in EMC.INI from the default "0" to the
measured backlash, and try to load and run any NGC program, EMC freezes up
with the following error.

Thankyou for your help.
Illya


Current platform is linux_2_2_19
Current real-time platform is rtlinux_rtlinux_3_1
inivar = plat/linux_2_2_19/bin/inivar
INIFILE = emc.ini
starting emc...
starting EMC MOTION PROGRAM -- steppermod.o...done
starting EMC IO PROGRAM --  bridgeportio...done
Version:  1.11
Machine:  Generic
starting EMC TASK PROGRAM -- bridgeporttask...done
Version:  1.11
Machine:  Generic
starting EMC SERVER PROGRAM -- emcsvr...done
Issuing EMC_TRAJ_SET_TERM_COND --   (+222,+16,    +0,    +2,)
Issuing EMC_TRAJ_SET_ORIGIN --   (+224,+60,
+0,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,)
running EMC DISPLAY PROGRAM -- tkemc...
Issuing EMC_TRAJ_SET_SCALE --   (+209,+20,    +1,1.000000,)
Issuing EMC_TASK_SET_STATE --   (+505,+16,    +2,    +2,)
Issuing EMC_TASK_SET_STATE --   (+505,+16,    +3,    +4,)
can't do that (EMC_TASK_PLAN_OPEN) in manual mode
Issuing EMC_TASK_SET_MODE --   (+504,+16,    +5,    +2,)
Issuing EMC_TASK_PLAN_OPEN --   (+506,+268,
+6,/usr/src/emc/programs/emc.ngc,)
emcTaskPlanOpen(/usr/src/emc/programs/emc.ngc) returned 0
Issuing EMC_TASK_PLAN_RUN --   (+507,+16,    +7,    +0,)
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 1
emcTaskPlanCommand(N10 G90) called. (line_number=1)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 2
emcTaskPlanCommand(N11 G40) called. (line_number=2)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 3
emcTaskPlanCommand(N12 F20) called. (line_number=3)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4
emcTaskPlanCommand(N13 G00 X0.00 Y0.00) called. (line_number=4)
emcTaskPlanExecute(0) return 0
Outgoing motion id is 4.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 5
emcTaskPlanCommand(N14 G00 X-2.253 Y-0.078 Z0.250) called. (line_number=5)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 6
emcTaskPlanCommand(N15 X-2.253 Y-0.078 Z0.100) called. (line_number=6)
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_SET_VELOCITY --   (+205,+20,    +0,1.200000,)
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 7
emcTaskPlanCommand(N16 G01 X-2.253 Y-0.078 Z-0.050) called. (line_number=7)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 8
emcTaskPlanCommand(N17 G01 X-2.253 Y-6.025) called. (line_number=8)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 9
emcTaskPlanCommand(N18 G03 X-2.177 Y-6.052 R0.125) called. (line_number=9)
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE --   (+220,+60,
+0,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,)
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 10
emcTaskPlanCommand(N19 G01 X-2.160 Y-6.052) called. (line_number=10)
emcTaskPlanExecute(0) return 0
Outgoing motion id is 5.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 11
emcTaskPlanCommand(N20 X-2.160 Y-5.581) called. (line_number=11)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 12
emcTaskPlanCommand(N21 G02 X-2.150 Y-5.657 R4.325) called. (line_number=12)
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE --   (+220,+60,
+0,-2.253000,-0.078000,0.250000,0.000000,0.000000,0.000000,)
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 13
emcTaskPlanCommand(N22 G01 X-2.140 Y-5.746) called. (line_number=13)
emcTaskPlanExecute(0) return 0
Outgoing motion id is 6.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 14
emcTaskPlanCommand(N23 G03 X-2.066 Y-5.846 R0.125) called. (line_number=14)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 15
emcTaskPlanCommand(N24 G01 X-2.066 Y-6.052) called. (line_number=15)
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE --   (+220,+60,
+0,-2.253000,-0.078000,0.100000,0.000000,0.000000,0.000000,)
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 16
emcTaskPlanCommand(N25 X-1.972 Y-6.052) called. (line_number=16)
emcTaskPlanExecute(0) return 0
Outgoing motion id is 7.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 17
emcTaskPlanCommand(N26 X-1.972 Y-5.864) called. (line_number=17)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 18
emcTaskPlanCommand(N27 G03 X-1.967 Y-5.864 R0.188) called. (line_number=18)
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_SET_VELOCITY --   (+205,+20,    +0,0.333333,)
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 19
emcTaskPlanCommand(N28 G01 X-1.937 Y-5.869) called. (line_number=19)
emcTaskPlanExecute(0) return 0
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 20
emcTaskPlanCommand(N29 G02 X-1.911 Y-5.873 R0.295) called. (line_number=20)
emcTaskPlanExecute(0) return 0
Axis 0 following error
bridgeporttaskintf.cc 968: Error on axis 0.
Motion id 5 took 0.060254 seconds.
Motion id 0 took 0.000011 seconds.
emcTaskPlanClose() called at emctaskmain.cc:2795
Outgoing motion id is 20.