[OpenWrt Wiki] Hardware watchdog
openwrt.org › docs › guide-userNov 01, 2021 · Therefore on modern OpenWrt, you will never see the watchdog process running. Supported hardware Most embedded devices will have their hardware watchdog enabled in the default kernel configuration of their target, which means it will be built-in (no kmod to install, it's always available). For x86 hardware you have some kmods to choose: