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I have installed watchdog service on OSMC/Raspberry Pi 3. It starts now automatically, but doesn't touch the /dev/watchdog device.

How I check this:

ls -l /dev/watchdog
crw------- 1 root root 10, 130 Dec 17 14:44 /dev/watchdog
ls -l /dev/watchdog
crw------- 1 root root 10, 130 Dec 17 14:44 /dev/watchdog
ls -l /dev/watchdog
crw------- 1 root root 10, 130 Dec 17 14:44 /dev/watchdog

When I touch the device file manually:

touch /dev/watchdog

the file date is changed and if I stop touching this file, the computer reboots after 15 seconds.

Uncommented lines of /etc/watchdog.conf file:

max-load-1      = 24
watchdog-device = /dev/watchdog
realtime        = yes
priority        = 1

and nothing more, because I want only to check if watchdog service writes to /dev/watchdog file and because I haven't found reliable PIDs to watch.

How to make the service to write in /dev/watchdog ?

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