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Re: panic in sysmon_envsys_unregister()
bad%bsd.de@localhost (Christoph Badura) writes:
>Sorry, I meant the question in a more general way.
>sysmon_envsys_sensor_detach() iterates over the sensor_list with sme_mtx
>held etc. Therefore it looks fishy to me to iterate over the sensor_list
>without sme_mtx held.
The envsys structure has been removed from the list, you are the only
user, it doesn't need to be protected anymore.
>Also it seems that sme_events_destroy() is only ever called if the
>events_list happens to be empty. And I can't see where the sme work
>queue is destroy elsewhere.
The work queue is created for the first event handler and destroyed
after the last event handler has been deregistered.
>And while looking for places that work queues get destroyed in
>dev/sysmon/ it seems that swwdog's workqueue is created twice when
>loaded as a module.
Yep. The modularization is broken.
Michael van Elst
"A potential Snark may lurk in every tree."
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