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Re: why are the watchdog drivers blacklisted?



On Mon, Feb 08, 2010 at 04:12:10PM +0000, Mark Brown wrote:
> The core problem with watchdog WRT stuff like that that is that it's a
> fairly small program and doesn't monitor the state of the rest of

Plus it locks itself into main memory and will not suffer from swappiness
itself.

> userspace so there's error conditions like being deep into swap which
> make the actual application unusable but don't stop watchdog soldiering
> on.

You can configure the watchdog daemon to also test quite some system conditions
and react accordingly. This will however be done in user space.

Michael

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Michael Meskes
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