A problem with alq module!

[Julian Elischer]

On 5/12/13 11:37 PM, Computer Network Man wrote:
> Dear Guys;
> In a fresh FreeBSD 9 or 9.1 Release if you just run these commands:
> # kldload alq
> # kldunload alq
> # init 0 or shutdown -p now
> it will panic!
> maybe it's a bug.
> We have a module which uses alq API's.
>      MODULE_DEPEND(mymodule, alq, 1, 1, 1)
> when our module starts, loads alq. and when it stops, unloads alq. So after
> starting and stoping our module and shutdown, we have panic.
> any opinion in this regard would be appreciated.
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>
without looking at it, I am guessing that the alq module may 
mis-register for shutdown notification... (and not undo it)..

UTSL   please register a bug and include some debugging information....