Found file(lib): /usr/share/linuxcnc/hallib/ethercat.hal
Note: Using POSIX realtime
Failed to open /dev/EtherCAT0: Permission denied
LCEC: requesting master 0 (index 0) failed
lcec: rtapi_app_main: Invalid argument (-22)
/usr/share/linuxcnc/hallib/ethercat.hal:3: waitpid failed /usr/bin/rtapi_app lcec
/usr/share/linuxcnc/hallib/ethercat.hal:3: /usr/bin/rtapi_app exited without becoming ready
/usr/share/linuxcnc/hallib/ethercat.hal:3: insmod for lcec failed, returned -1
Shutting down and cleaning up LinuxCNC...
Note: Using POSIX realtime
LinuxCNC terminated with an error.  You can find more information in the log:
    /home/sfm100/linuxcnc_debug.txt
and
    /home/sfm100/linuxcnc_print.txt
as well as in the output of the shell command 'dmesg' and in the terminal