we're running Ubuntu 22.04 real time kernel on a miniPC. It's been running great, unattended, for several weeks. This morning it simply rebooted itself. I've looked through logs in /var/logs (dmseg, kern, etc.) and I find entries up to the moment of reboot, but no errors indicating any issues, then the logs continue after the reboot with the normal startup entries. The PC is kind of mission-critical at our radio station (it handles processing the audio for the FM broadcast) and if it stops, then listener hear dead air. I'd like to dig more deeply into this but don't know how to proceed. Tips would be very helpful. Thank you!
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