How to trigger kernel panic to verify HW watchdog - ken-lin6683/WorkNotes GitHub Wiki
Set bootargs to make linux kernel trigger panic on oops, and reboot 20 seconds after panic.
https://github.com/Nuvoton-Israel/u-boot/commit/a92a440e2ef910880103a8cda7d09dae00a2b2af
root@arcadia:~# cat /proc/sys/kernel/panic
20
root@arcadia:~# cat /proc/sys/kernel/panic_on_oops
1
Manually trigger kernel panic and observe BMC rebooted after 20 seconds:
root@arcadia:~# echo c > /proc/sysrq-trigger