Can't write to /dev/rtai_shm - aborting
Realtime system did not load
Shutting down and cleaning up EMC2...
RTAPI: ERROR: could not open shared memory (errno=13)
HAL: ERROR: rtapi init failed
halcmd: hal_init() failed: -9
NOTE: 'rtapi' kernel module must be loaded
RTAPI: ERROR: could not open shared memory (errno=13)
HAL: ERROR: rtapi init failed
halcmd: hal_init() failed: -9
NOTE: 'rtapi' kernel module must be loaded
Cleanup done
EMC terminated with an error.  You can find more information in the log files
    /home/samco/emc_debug.txt
and
    /home/samco/emc_print.txt
as well as in the output of the shell command 'dmesg' and in the terminal
samco@samco-desktop:~/emc2-head$