Re: -10 panic during dbcool attach

[Robert Swindells <rjs%fdy2.co.uk@localhost>]

Edgar Fuß <ef%math.uni-bonn.de@localhost> wrote:
>> explaining this use-case
>
> this sounds like I'm doing something unreasonable?

I don't see what you are doing as any different from the spdmem(4)
attachments on the previous lines of your dmesg trace.

>> Adding a null test is probably all this code needs
>
> Do you mean one guarding the prop_object_retain(sc->sc_prop) call?

I think you will need a test in dbcool_attach_sensor() too, that is the
other place that sc_prop is used.

> I would be afraid there's a complementing prop_object_release() call 
> somewhere, but I don't see one in dbcool_detach(). Most probably I'm 
> looking in the wrong place.

Some configuration method (maybe using openfirmware on sparc) must be
setting up a prop dictionary, it isn't being done in the direct
attachment that you have configured.