On Tue, Apr 26, 2022 at 10:53:29PM +0800, Liu Xinpeng wrote: > Executing reboot command several times on the machine "Dell > PowerEdge R740", UEFI security detection stopped machine > with the following prompt: > > UEFI0082: The system was reset due to a timeout from the watchdog > timer. Check the System Event Log (SEL) or crash dumps from > Operating Sysstem to identify the source that triggered the > watchdog timer reset. Update the firmware or driver for the > identified device. > > iDRAC has warning event: "The watchdog timer reset the system". > > This patch fixes this issue by adding the reboot notifier. > > Signed-off-by: Liu Xinpeng <liuxp11@xxxxxxxxxxxxxxx> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > drivers/watchdog/wdat_wdt.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c > index df0865a61a70..6f36a653767b 100644 > --- a/drivers/watchdog/wdat_wdt.c > +++ b/drivers/watchdog/wdat_wdt.c > @@ -462,6 +462,7 @@ static int wdat_wdt_probe(struct platform_device *pdev) > return ret; > > watchdog_set_nowayout(&wdat->wdd, nowayout); > + watchdog_stop_on_reboot(&wdat->wdd); > return devm_watchdog_register_device(dev, &wdat->wdd); > } > > -- > 2.23.0 >