11-27-2018, 10:25 AM 
		
	
	
		More info, that I cannot find any obvious errors in the syslog for the affected times - only thing mildly of note is that there are no log entries between the system freeze time and the hard restart time.  But that was only a couple of minutes.
Onwards...
	
	
Onwards...
Don't worry about artificial intelligence.  Worry about natural stupidity.  
	
	

