Please can you post a screenshot of the htop program that you collect when an RBMC job has stalled in this way.
You may want to
- ensure that there is physical (as opposed to only swap space) available on the host at that time. What does the command
free -gshow? - see if the suggestion in CryoSPARC 4.4 significantly increases "minimum" target specification for processing systems - #5 by sarulthasan applies to your case