########## john@debian:~$ linuxcnc LINUXCNC - 2.7.0 error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." error in background error handler: too many nested evaluations (infinite loop?) while executing "::tcl::Bgerror {too many nested evaluations (infinite loop?)} {-code 1 -level 0 -errorcode NONE -errorinfo {too many nested evaluations (infinite loop..." too many nested evaluations (infinite loop?) (procedure ".main.f1.f2.f3.tree" line 1) invoked from within "$::tree visible $::selected_node" (procedure "treeclose" line 3) invoked from within "treeclose /usr/share/doc/linuxcnc/examples/sample-configs/apps/latency/latency-histogram.demo" ("after" script) too many nested evaluations (infinite loop?) (procedure "Tree::visible" line 1) invoked from within "Tree::visible .main.f1.f2.f3.tree /home/john/linuxcnc/configs/mazak303/mazak303.ini" ("eval" body line 1) invoked from within "eval [linsert $args 0 Tree::$cmd .main.f1.f2.f3.tree]" (procedure ".main.f1.f2.f3.tree" line 1) invoked from within "$::tree visible $::selected_node" (procedure "treeclose" line 3) invoked from within "treeclose /usr/share/doc/linuxcnc/examples/sample-configs/apps/latency/latency-histogram-1.demo" ("after" script) too many nested evaluations (infinite loop?) while executing "string map $map $node" (procedure "_node_name" line 4) invoked from within "_node_name $path $node" (procedure "Tree::visible" line 2) invoked from within "Tree::visible .main.f1.f2.f3.tree /home/john/linuxcnc/configs/mazak303/mazak303.ini" ("eval" body line 1) invoked from within "eval [linsert $args 0 Tree::$cmd .main.f1.f2.f3.tree]" (procedure ".main.f1.f2.f3.tree" line 1) invoked from within "$::tree visible $::selected_node" (procedure "treeclose" line 3) invoked from within "treeclose /usr/share/doc/linuxcnc/examples/sample-configs/apps/latency" ("after" script) Machine configuration directory is '/home/john/linuxcnc/configs/mazak303' Machine configuration file is 'mazak303.ini' Starting LinuxCNC... Found file(REL): ./mazak303.hal Found file(REL): ./custom.hal ####################### What does this mean? is it because the rear brake signial is already linked by the classicladder. clp file ################## ./custom.hal:33: Pin 'hm2_5i20.0.gpio.069.out' was already linked to signal 'Rear_Turret_Brake' Shutting down and cleaning up LinuxCNC... INFO CLASSICLADDER- No ladder GUI requested-Realtime runs till HAL closes. Running HAL shutdown script ERROR: Can't remove RTAI modules, kill the following process(es) first USER PID ACCESS COMMAND /dev/rtai_shm: john 4070 ....m halui LinuxCNC terminated with an error. You can find more information in the log: /home/john/linuxcnc_debug.txt and /home/john/linuxcnc_print.txt as well as in the output of the shell command 'dmesg' and in the terminal john@debian:~$ halui: emcCommandSend: no echo from Task after 5.000 seconds halui: emcCommandSend: no echo from Task after 5.000 seconds halui: emcCommandSend: no echo from Task after 5.000 seconds libnml/os_intf/_shm.c 412: rcs_shm_nattch: shmctl failed: Invalid argument libnml/os_intf/_shm.c 412: rcs_shm_nattch: shmctl failed: Invalid argument libnml/os_intf/_shm.c 412: rcs_shm_nattch: shmctl failed: Invalid argument