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I've recently setup watchdog using Intel hardware TCO that does automatically reboot the system it crashes (using Ubuntu LTS).

In watchdog.conf you can configure a timeout before reboot.

Defaults to 60secs.

Since my devices are playing audio in store which can be really problematic when there is a crash (sound gets stuck in a loop!). I'd like to know how low I could go?

I've used the default in_memory=true and realtime=true.

Thanks!

Olivier
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  • What is crashing so that sound gets looped? – thrig Feb 27 '17 at 23:38
  • It's a total system freeze from a kernel panic, see: http://askubuntu.com/questions/884099/troobleshoot-16-04-inexplicable-total-system-freeze-4-hours-after-reboot-on-seve – Olivier Feb 28 '17 at 08:16

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