ls /dev/watchdog -al crw-r--r-- 1 root root 10, 130 Mar 9 08:50 /dev/watchdog
means hardware driver is loaded
ps |grep watchdog 861 root 1504 S /sbin/watchdog -t 5 /dev/watchdog 2179 root 1496 S grep watchdog
means service is started.
killall -9 watchdog
testing watchdog, if after few second Yun is reboot then watchdog is working.
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