Print file information:
RUN_IN_PLACE=no
LINUXCNC_DIR=
LINUXCNC_BIN_DIR=/usr/bin
LINUXCNC_TCL_DIR=/usr/lib/tcltk/linuxcnc
LINUXCNC_SCRIPT_DIR=
LINUXCNC_RTLIB_DIR=/usr/realtime-2.6.32-122-rtai/modules/linuxcnc
LINUXCNC_CONFIG_DIR=
LINUXCNC_LANG_DIR=/usr/share/linuxcnc/tcl/msgs
INIVAR=inivar
HALCMD=halcmd
LINUXCNC_EMCSH=/usr/bin/wish8.5
LINUXCNC - 2.5.2
Machine configuration directory is '/home/ms100/linuxcnc/configs/sim/tklinuxcnc'
Machine configuration file is 'tklinuxcnc.ini'
INIFILE=/home/ms100/linuxcnc/configs/sim/tklinuxcnc/tklinuxcnc.ini
PARAMETER_FILE=sim.var
TASK=milltask
HALUI=
DISPLAY=tklinuxcnc
Starting LinuxCNC...
Starting LinuxCNC server program: linuxcncsvr
Loading Real Time OS, RTAPI, and HAL_LIB modules
Starting LinuxCNC IO program: io
Starting TASK program: milltask
Starting DISPLAY program: tklinuxcnc
emc/task/emctaskmain.cc 2646: can't get emcCommand buffer
USRMOT: ERROR: can't connect to shared memory
Shutting down and cleaning up LinuxCNC...
Killing task linuxcncsvr, PID=3807
Removing HAL_LIB, RTAPI, and Real Time OS modules
Removing NML shared memory segments
Cleanup done

Debug file information:
Can not find -sec MOT -var MOT -num 1
Can not find -sec IO -var IO -num 1
Can not find -sec LINUXCNC -var NML_FILE -num 1
Can not find -sec EMC -var NML_FILE -num 1
Error in startup script: no emc connection
    while executing
"emc_init -ini /home/ms100/linuxcnc/configs/sim/tklinuxcnc/tklinuxcnc.ini"
    ("eval" body line 1)
    invoked from within
"eval emc_init $argv"
    (file "/usr/lib/tcltk/linuxcnc/tklinuxcnc.tcl" line 22)
3807
  PID TTY      STAT   TIME COMMAND
Stopping realtime threads
Unloading hal components

Kernel message information:
[  906.354732] I-pipe: Domain RTAI registered.
[  906.354746] RTAI[hal]: <3.8.1> mounted over IPIPE-NOTHREADS 2.6-03.
[  906.354751] RTAI[hal]: compiled with gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) .
[  906.354846] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0).
[  906.354851] PIPELINE layers:
[  906.354857] f8362e20 9ac15d93 RTAI 200
[  906.354861] c085cb20 0 Linux 100
[  906.380832] halcmd[3827]: segfault at 8 ip 00cf16bc sp bfe6bcc0 error 6 in liblinuxcnchal.so.0[cec000+8000]
[  906.397611] RTAI[malloc]: global heap size = 2097152 bytes, <BSD>.
[  906.398394] RTAI[sched]: IMMEDIATE, MP, USER/KERNEL SPACE: <with RTAI OWN KTASKs>, kstacks pool size = 524288 bytes.
[  906.398406] RTAI[sched]: hard timer type/freq = APIC/8333299(Hz); default timing: periodic; linear timed lists.
[  906.398413] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 1866996000 hz.
[  906.398418] RTAI[sched]: timer setup = 999 ns, resched latency = 2944 ns.
[  906.398539] RTAI[usi]: enabled.
[  906.474129] RTAI[math]: loaded.
[  917.450697] RTAI[math]: unloaded.
[  917.484642] SCHED releases registered named ALIEN RTGLBH
[  917.545399] RTAI[malloc]: unloaded.
[  917.643425] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0).
[  917.647609] I-pipe: Domain RTAI unregistered.
[  917.647734] RTAI[hal]: unmounted.
[  917.674032] halcmd[4011]: segfault at 8 ip 00d536bc sp bfe292f0 error 6 in liblinuxcnchal.so.0[d4e000+8000]