1. create watchdog.conf => cat /etc/watchdog.conf ping = 127.0.0.1 ping-count = 5 2. run watchdog, the system is rebooted, it should not be rebooted. watchdog -c /etc/watchdog.conf -F
https://github.com/openembedded/oe-core/blob/master/meta/recipes-extended/watchdog/files/fix-ping-failure.patch https://github.com/openembedded/oe-core/commit/90f3a90413aa1e08c3206b838dcaee0c1c640dc7
Verified in master branch 37c8597e7600385367257e8a513e003947ebef5b