Linux kernel 4.9.x stable
Over a month now of seeing almost daily lockups and kernel panics and crashes of the 4.8.x series of linux kernels used in fedora 24 and now 25.
The problem did not go away on the distribution update.
My attempts at going back to the stable series failed, as it seems you cannot downgrade the kernel back into the previous distribution.
I may be tempted in wiping and reinstalling linux fedora 24 server again and start from scratch, if this keeps up.
I also keep hoping that there will be a discovered kernel bug, but so far, nothing shows up in searches.
I also also keep hoping that a newer kernel update will make the problem go away. After all, we have had a good few years of late of stable systems.
4.9 is due out any day now, but in the meantime I have had to resort to setting up an automatic reboot every day.
In general, a manual power cycle brings the system back up to operational state.
A scheduled reboot should behave just as well if not better.
Now in the 4.9.x series, things are much better. Four of five servers are behaving well and the last one I am slowly reverting back from x4 reboots a day scheduled into cron to only x2 now. Shortly we will test out x1 a day and then slowly run it back to maybe once a week.
All system are now running 4.9.9 and the issues with services not working have gone away, the issue of networkmanager messing up with static IP addresses is gone and in general things are looking much better.