HP ProLiant iLO2+ Hardware Watchdog Timer

modulename: hpwdt.ko

configname: CONFIG_HP_WATCHDOG

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>HP ProLiant iLO2+ Hardware Watchdog Timer
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
A software monitoring watchdog and NMI sourcing driver. This driver
will detect lockups and provide a stack trace. This is a driver that
will only load on an HP ProLiant system with a minimum of iLO2 support.
To compile this driver as a module, choose M here: the module will be
called hpwdt.

source code: