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AI-generatedBCM SoC hardware watchdog and systemd RuntimeWatchdog: arm state across warm reboot vs power cycle
Goal is to use the Broadcom SoC hardware watchdog exposed by the bcm2835-wdt driver via /dev/watchdog together with systemd RuntimeWatchdogSec for unattended Raspberry Pi operation. The integration requires the kernel driver to be present, userspace to keep the watchdog alive, and a clear definition of when the watchdog is armed or disarmed across boot trans
raspberrypi