Hello,

I observed the following lines in the terminal window
connected to the serial line.

Joachim

linuxcnc@arm:~$ linuxcnc
LINUXCNC - 2.5.1
Machine configuration directory is '/home/linuxcnc/linuxcnc-
dev/configs/sim/axis'
Machine configuration file is 'axis_mm.ini'
Starting LinuxCNC...

XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server 
"192.168.1.22:0.0"
      after 43562 requests (43562 known processed) with 0 events remaining.
XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server 
"192.168.1.22:0.0"
      after 832 requests (832 known processed) with 0 events remaining.
[ 1440.366737] INFO: task axis:745 blocked for more than 120 seconds.
[ 1440.373543] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

Here bb is not responding to a ping, but there is something still alive!

[ 1560.376734] INFO: task hal_manualtoolc:734 blocked for more than 120 
seconds.
[ 1560.384468] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
[ 1560.394489] INFO: task axis:745 blocked for more than 120 seconds.
[ 1560.404630] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

[ 1680.406731] INFO: task hal_manualtoolc:734 blocked for more than 120 
seconds.
[ 1680.414539] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
[ 1680.424716] INFO: task axis:745 blocked for more than 120 seconds.
[ 1680.434720] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.


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