svb@LiteXCNC-hdev:~/linuxcnc/configs/svb-FABIO$ linuxcnc svb-FABIO.ini 
LINUXCNC - 2.8.3
Machine configuration directory is '/home/svb/linuxcnc/configs/svb-FABIO'
Machine configuration file is 'svb-FABIO.ini'
Starting LinuxCNC...
Found file(REL): ./svb-FABIO.hal
Note: Using POSIX realtime
Lcnc:0.000000 hal_init() ok
Lcnc:0.000098 connected to board 
Lcnc:0.000315 installed driver for 1 card(s)
Found file(REL): ./custom.hal
note: MAXV     max: 150.000 units/sec 9000.000 units/min
note: LJOG     max: 150.000 units/sec 9000.000 units/min
note: LJOG default: 10.000 units/sec 600.000 units/min
note: jog_order='XYZ'
note: jog_invert=set([])
Lcnc:4598.163394 connection error - unexpected read length: -1
 errors 0 max 10000
Lcnc:4598.163412 connection error- unexpected read length: -1
 errors 0 max 10000
Unexpected realtime delay on task 1 with period 1000000
This Message will only display once per session.
Run the Latency Test and resolve before continuing.
Lcnc:4598.163412 connection error- unexpected read length: -1
 errors 0 max 10000

Unexpected realtime delay on task 1 with period 1000000
This Message will only display once per session.
Run the Latency Test and resolve before continuing.

Lcnc:4598.179397 connection error- unexpected read length: -1
 errors 1 max 10000
Lcnc:4598.179397 connection error- unexpected read length: -1
 errors 1 max 10000

Lcnc:4598.195408 connection error- unexpected read length: -1
 errors 2 max 10000
Lcnc:4598.195408 connection error- unexpected read length: -1
 errors 2 max 10000

Lcnc:4598.211404 connection error- unexpected read length: -1
 errors 3 max 10000
Lcnc:4598.211404 connection error- unexpected read length: -1
 errors 3 max 10000

Lcnc:4598.227402 connection error- unexpected read length: -1
 errors 4 max 10000

Lcnc:4598.227402 connection error- unexpected read length: -1
 errors 4 max 10000
Lcnc:4598.243397 connection error- unexpected read length: -1
 errors 5 max 10000
Lcnc:4598.243397 connection error- unexpected read length: -1
 errors 5 max 10000

Lcnc:4598.259398 connection error- unexpected read length: -1
 errors 6 max 10000
Lcnc:4598.259398 connection error- unexpected read length: -1
 errors 6 max 10000

Lcnc:4598.271396 connection error- unexpected read length: -1
 errors 7 max 10000
Lcnc:4598.271396 connection error- unexpected read length: -1
 errors 7 max 10000

Lcnc:4598.283491 connection restored, lost 9 packets, limit is set to 10000
Lcnc:4598.283393 connection error- unexpected read length: -1
 errors 8 max 10000
Lcnc:4598.283499 connection restored, lost 9 packets, limit is set to 10000
Lcnc:4598.283393 connection error- unexpected read length: -1
 errors 8 max 10000

emc/task/taskintf.cc 942: Error on joint 0, command number 86565
emc/task/taskintf.cc 942: Error on joint 1, command number 86565
emc/task/taskintf.cc 942: Error on joint 2, command number 86565
Lcnc:4598.283499 connection restored, lost 9 packets, limit is set to 10000

joint 0 following error
joint 1 following error
joint 2 following error
Lcnc:7224.791398 connection error - unexpected read length: -1
 errors 0 max 10000
Lcnc:7224.791416 connection error- unexpected read length: -1
 errors 0 max 10000

Lcnc:7224.791416 connection error- unexpected read length: -1
 errors 0 max 10000
Lcnc:7224.803402 connection error- unexpected read length: -1
 errors 1 max 10000

Lcnc:7224.803402 connection error- unexpected read length: -1
 errors 1 max 10000
Lcnc:7224.819402 connection error- unexpected read length: -1
 errors 2 max 10000

Lcnc:7224.819402 connection error- unexpected read length: -1
 errors 2 max 10000
Lcnc:7224.835405 connection error- unexpected read length: -1
 errors 3 max 10000
Lcnc:7224.835405 connection error- unexpected read length: -1
 errors 3 max 10000

Lcnc:7224.851404 connection error- unexpected read length: -1
 errors 4 max 10000

Lcnc:7224.851404 connection error- unexpected read length: -1
 errors 4 max 10000
Lcnc:7224.867398 connection error- unexpected read length: -1
 errors 5 max 10000

Lcnc:7224.867398 connection error- unexpected read length: -1
 errors 5 max 10000
Lcnc:7224.879396 connection error- unexpected read length: -1
 errors 6 max 10000

Lcnc:7224.879396 connection error- unexpected read length: -1
 errors 6 max 10000
Lcnc:7224.895408 connection error- unexpected read length: -1
 errors 7 max 10000
Lcnc:7224.895408 connection error- unexpected read length: -1
 errors 7 max 10000

Lcnc:7224.911517 connection restored, lost 9 packets, limit is set to 10000
Lcnc:7224.911400 connection error- unexpected read length: -1
 errors 8 max 10000

Lcnc:7224.911400 connection error- unexpected read length: -1
 errors 8 max 10000
Lcnc:7224.911528 connection restored, lost 9 packets, limit is set to 10000
Lcnc:7224.911528 connection restored, lost 9 packets, limit is set to 10000