I can try the 4.9 kernel. Right now I have 4.4.190 loaded.

What I have found is that whenever I enter anything into 'bind' in file 
/etc/linuxcnc/machinekit.ini I get the errors listed below. If I just leave 
it blank it runs machinekit with no gui just fine but does not appear to 
output anything on a tcp connection.

halcmd: the rtapi:0 RT demon is not running - please investigate 
/var/log/linuxcnc.log
halcmd: the msgd:0 logger demon is not running - please investigate 
/var/log/linuxcnc.log
halcmd: cant connect to rtapi_app: -1 (uri= 
uuid=3c6b50af-0fe2-4929-b0bf-0cd4b6b6c327): rtapi_rpc(): reply timeout

So my problem could be that the below is instructions are not clear to me 
an that I don't know what to type in there yet. Im trying to bind to my 
network card with address 10.10.20.2.

This is the part I'm having trouble with understanding of just what bind is 
and how to make it happy. These feel that these instructions could be 
revised to help by giving an example of what is expected and a links to the 
documents mentioned. 

"# -------------- interface and protocol selection -----------------
#
# binding zeroMQ sockets and mDNS announcements are conceptually separate,
# but of course better add up.
# the default is to bind on in6addr_any (ipv4 and mapped ipv6 on Linux).
# see the zeromq docs - zmq_tcp(7) and the ZMQ_IPV6 option.
#
# The binding algorithm is as follows:
#
# Bind any addresses or interfaces in the BIND_IPV4 list (none if empty).
# if a port number was explicitly specified above, use that port
# else bind as ephemeral port, retrieve that assigned port number, and use
# that port in subsequent bind operations."

So "Bind any addresses'

BIND_IPV4=10.10.20.2  would seem like it should be ok but its not according 
to the errors.






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