Watchdog timer 有効化 - Naohiro2g/Raspberry-Pi-Projects GitHub Wiki

https://qiita.com/hidenorly/items/a09486c4359e85d7583e

set

/boot/config.txt

-#dtparam=watchdog=off
+dtparam=watchdog=on

/etc/modprobe.d/bcm2835-wdt.conf

+options bcm2835_wdt heartbeat=10 nowayout=0

/etc/systemd/system.conf

-#RuntimeWatchdogSec=0
+RuntimeWatchdogSec=5

check

dmesg |grep watchdog

the fork bomb, BE CAREFUL

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