On 01/03/2021 16.11, Rasmus Villemoes wrote: > When the nowayout option is used with a watchdog device, busybox' > current behaviour of always doing a open/write magic char/close > sequence before the "real" open causes warning messages in the kernel > log: > > [ 16.212184] watchdog: watchdog0: nowayout prevents watchdog being stopped! > [ 16.212196] watchdog: watchdog0: watchdog did not stop! > > The latter may also appear by itself in case the watchdog is of the > type that cannot be stopped once started. > > These warnings can be somewhat ominous and distracting, so allow > configuring whether to use this open-write-close-open sequence rather > than just open.
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