Last week I instrumented the deb-based install I mentioned in Comment #15 so that I can get a traceback next time it hangs:
ubuntu@avoton01:~$ sudo grep FAULT /etc/systemd/system/maas-regiond.service Environment="PYTHONFAULTHANDLER=1"
Unfortunately, the issue has not reoccurred there since.
Last week I instrumented the deb-based install I mentioned in Comment #15 so that I can get a traceback next time it hangs:
ubuntu@avoton01:~$ sudo grep FAULT /etc/systemd/ system/ maas-regiond. service "PYTHONFAULTHAN DLER=1"
Environment=
Unfortunately, the issue has not reoccurred there since.