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By dotCore
via blog.viraptor.info
Published: Mar 04 2013 / 09:47

Some time ago I ran into a production issue where the init process (upstart) stopped behaving properly. Specifically, instead of spawning new processes, it deadlocked in a transitional state. To be precise, the init process itself was responsive, but the critical services were stuck in one of the pre- or post- states, never actually restarting. What’s worse, upstart doesn’t allow forcing a state transition and trying to manually create and send DBus events didn’t help either.
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