[MikeKL]

No apparent specific trace file in /kodi/temp folder, just a couple of kodi crash-logs

http://pastebin.com/q5i43A0Q

Yes, that's what we wanted. Looks like a PVR deadlock, which are not uncommon.
Not something I know about but I'll mention it on kodi Slack.

OK so just to mention in case its important in relation to information I have posted in thread this time, I am currently continuing to run both tvheadend and filmon pvr's in tandem and when Pi goes through a full reboot I typically get a number of crashes before a full and clean boot-up.

Once Pi is fully booted up it appears to be stable for long periods and I can use both PVR via live TV option in GUI including EPG information etc.
(been using/testing like this for a while with nightly milhouse builds)