Date: Mon, 05 Nov 2001 11:36:03 -0800 From: Mike Smith <msmith@freebsd.org> To: Luigi Rizzo <rizzo@aciri.org> Cc: stable@freebsd.org Subject: Re: For review: preventing panics when unloading compiled-in modules Message-ID: <200111051936.fA5Ja3m03196@mass.dis.org> In-Reply-To: Your message of "Mon, 05 Nov 2001 11:18:39 PST." <20011105111839.A75789@iguana.aciri.org>
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> # kldload /ipfw.ko
> XX module_register: module ipfw already exists!
> XX linker_file_sysinit "ipfw.ko" failed to register! 17
> kldload: can't load /ipfw.ko: File exists
> # kldstat
> Id Refs Address Size Name
> 1 2 0xc0000000 40000000 kernel
> 2 1 0xc38aa000 8000 ipfw.ko
> # kldunload ipfw.ko
> XX linkerunload: attempt to unload file that was loaded by the kernel
> kldunload: can't unload file: Device busy
>
> Technically, after the load, "ipfw.ko" is not a separate module,
> so maybe one would like not to see it in the list. On the other
> hand, the functionality associated with the module is present,
> so this is not too bad...
It's bad, since you're listing the file as loaded when in fact it wasn't.
There's still confusion about the difference between a "file" (a loadable
object) and a "module".
--
... every activity meets with opposition, everyone who acts has his
rivals and unfortunately opponents also. But not because people want
to be opponents, rather because the tasks and relationships force
people to take different points of view. [Dr. Fritz Todt]
V I C T O R Y N O T V E N G E A N C E
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