Ubuntu 16.4 freezes
I have a computer that runs Ubuntu 16.4 server that freezes after it's been running for a day or so. Sometimes up to a week. When it's locked up it's totally non responsive and buttons like caps lock don't work and it doesn't produce a kernel panic on screen or any kind of error in the syslog.
I have run a memory test and used the Intel SSD tool but neither report any faults. Usually when I've seen memory or drive faults in the past I get a kernel panic but I'm getting nothing. Just the normal system message "Ubuntu 16.4 hostname tty1".
I don't think it's over heating either as programs like stress don't cause it to fail and it runs on 100% CPU usage for hours just fine.
Any other ideas or suggestions on where to look next?
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