Date: Tue, 13 May 2003 09:52:03 -0700 From: Lars Eggert <larse@ISI.EDU> To: Dag-Erling Smorgrav <des@ofug.org> Cc: current@FreeBSD.org Subject: Re: 5.1-RELEASE TODO Message-ID: <3EC122B3.3000301@isi.edu> In-Reply-To: <xzpof26vnds.fsf@flood.ping.uio.no> References: <200305131300.h4DD0Ecd059610@fledge.watson.org> <xzpof26vnds.fsf@flood.ping.uio.no>
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[-- Attachment #1 --]
Dag-Erling Smorgrav wrote:
> Robert Watson <rwatson@FreeBSD.org> writes:
>
>> |-----------------+-------------+-------------+--------------------------|
>> | Panic on | | | If a network device |
>> | load/unload a | | | driver, possibly any |
>> | kernel module | | | driver, is linked into |
>> | for a driver | Patch | Maxime | the kernel and then |
>> | already | submitted | Henrion | loaded and unloaded as a |
>> | statically | | | module, the kernel will |
>> | linked into the | | | panic. This has been |
>> | kernel. | | | observed with both if_dc |
>> | | | | and if_fxp. |
>> |-----------------+-------------+-------------+--------------------------|
>
> I'm unable to reproduce this; kldload refuses to load a module which
> is already present, and if you try to preload a driver which is
> compiled into the kernel, the kernel will refuse to register it.
I've seen panics like this happen with loading such duplicate modules
via /boot/loader.conf (i.e. not with kldload from the console.) Is this
what you mean by "preload"?
It doesn't happen for all modules, but it does for some. I think I
remember random.ko being one that caused problems, but I'm not sure, and
can't test right now (away from the machine).
Lars
--
Lars Eggert <larse@isi.edu> USC Information Sciences Institute
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