On Wed, Apr 03, 2013 at 08:06:59AM -0700, Tony Chung wrote: > On Tue, Apr 2, 2013 at 9:21 PM, Guenter Roeck <li...@roeck-us.net> wrote: > > > > > > > What is the exact chip type in your system ? I want to have a look into the > > datasheet; maybe I can find out how it can trigger without causing a reset. > > Winbond 83627HF chip > > I believe BIOS has watchdog disabled otherwise it would have reboot the box. > However, the timer just start counting. > > Comparing to ipmi_watchdog, you can do this: > modprobe ipmi_watchdog ... start_now=0 ...action=<> nowayout=1 > > So it is possible to load the driver without start counting. > That is a different driver, though. you don't have the start_now option here.
> Notice it is an else, so t is actually 0 already (i.e. expired or > never start running): Still no idea why that would cause the system to reboot when you reset the trigger without setting t to 0 again (or why the system doesn't reset in the first place if the watchdog already triggered). I am not really sure what the best approach is here, so let's leave it up to the maintainer to decide which way to go. Thanks, Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
