Contents
The Linux kernel watchdog is used to monitor if a system is running. It is supposed to automatically reboot hanged systems due to unrecoverable software errors. The watchdog module is specific to the hardware or chip being used.
How do you test a watchdog?
Use an existing non critical output like an led as a test signal. Program the board with a test sequence that will toggle the led and loop, And does not pet the watchdog. Test for the loop. Then program it to do a second loop, where it will not reach if the specified watchdog timer does not reboot.
How do I turn off watchdog?
Use the steps below to disable the Dell Watchdog Timer Application:
- Press F2 at the Dell splash screen to enter system setup.
- Click Maintenance.
- Select Watchdog Timer Support.
- Select the Disable Watchdog Timer checkbox.
- Click Apply and Exit.
