LINUXCNC - 2.9.0~pre0
Machine configuration directory is '/home/pi/linuxcnc/configs/sim/qtvcp_screens/qtdragon'
Machine configuration file is 'qtdragon_auto_tool_probe.ini'
Starting LinuxCNC...
linuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmod
Note: Using POSIX realtime
Found file(REL): ./core_sim.hal
Found file(lib): /home/pi/linuxcnc/lib/hallib/simulated_home.hal
[QTvcp][INFO]  Logging to "/home/pi/linuxcnc/configs/sim/qtvcp_screens/qtdragon/qtdragon.log" (logger.py:102)
qt5ct: using qt5ct plugin
[QTvcp.QTVCP.LIB.SYS_NOTIFY][WARNING]  Desktop Notify not available:: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Notifications was not provided by any .service files (sys_notify.py:71)
[QTvcp.QTVCP.QT_PSTAT][INFO]  Using DEFAULT handler file path: /home/pi/linuxcnc/share/qtvcp/screens/qtdragon/qtdragon_handler.py (qt_pstat.py:105)
[QTvcp.QTVCP.QT_PSTAT][INFO]  Using DEFAULT ui file from /home/pi/linuxcnc/share/qtvcp/screens/qtdragon/qtdragon.ui (qt_pstat.py:126)
[QTvcp.QTVCP.QT_PSTAT][INFO]  Using DEFAULT qss file from /home/pi/linuxcnc/share/qtvcp/screens/qtdragon/qtdragon.qss (qt_pstat.py:158)
[QTvcp.QTVCP.QT_PSTAT][INFO]  Using DEFAULT qrc file from /home/pi/linuxcnc/share/qtvcp/screens/qtdragon/qtdragon.qrc (qt_pstat.py:181)
[QTvcp.QTVCP.QT_PSTAT][INFO]  Using LOCAL resources.py file from /home/pi/linuxcnc/configs/sim/qtvcp_screens/qtdragon/qtvcp/screens/qtdragon/resources.py (qt_pstat.py:200)
[QTvcp.QTVCP.QT_PSTAT][INFO]  Using no translations. Default system locale is: en (qt_pstat.py:224)
[QTvcp][INFO]  Building A Linuxcnc Main Screen with Python 3 (qtvcp:162)
[QTvcp][INFO]  No handler file specified on command line (qtvcp:170)
[QTvcp][INFO]  No HAL component base name specified on command line using: qtdragon (qtvcp:201)
[QTvcp.QTVCP.QT_MAKEGUI][INFO]  Qsettings file path: /home/pi/.config/QtVcp/qtdragon.conf (qt_makegui.py:99)
qt5ct: D-Bus global menu: no
[QTvcp.QTVCP.QT_MAKEGUI][INFO]  Imported resources.py filed: /home/pi/linuxcnc/configs/sim/qtvcp_screens/qtdragon/qtvcp/screens/qtdragon/resources.py (qt_makegui.py:190)
[QTvcp.QTVCP.WIDGETS.STATUS_LABEL][WARNING]  lbl_maxv_percent : no option recognised (status_label.py:158)
[QTvcp.QTVCP.WIDGETS.STATUS_LABEL][WARNING]  lbl_runtime : no option recognised (status_label.py:158)
[QTvcp.QTDRAGON_HANDLER][INFO]  Using Versa Probe (qtdragon_handler.py:293)
qt5ct: D-Bus system tray: no
[QTvcp.QTVCP.QT_MAKEGUI][INFO]  no Handler Override file at: /home/pi/linuxcnc/configs/sim/qtvcp_screens/qtdragon/.qtdragonrc (qt_makegui.py:360)

********************************************************************************
*** this line got my attention but I don't know where to see or check:
/home/pi/linuxcnc/scripts/linuxcnc: line 963:  2508 Segmentation fault      $EMCDISPLAY -ini "$INIFILE" $EMCDISPLAYARGS $EXTRA_ARGS
********************************************************************************

Shutting down and cleaning up LinuxCNC...
task: 1121 cycles, min=0.000031, max=0.028512, avg=0.010382, 0 latency excursions (> 10x expected cycle time of 0.010000s)
Note: Using POSIX realtime
LinuxCNC terminated with an error.  You can find more information in the log:
    /home/pi/linuxcnc_debug.txt
and
    /home/pi/linuxcnc_print.txt
as well as in the output of the shell command 'dmesg' and in the terminal