Re: Bug#160507: hotplug: module removal makes shutdown take a long time and sometimes triggers Oops...
On Sun, 15 Sep 2002 01:29, Brian May wrote:
> On Thu, Sep 12, 2002 at 09:15:37AM +0200, Russell Coker wrote:
> > Yes, I can do that. Then every other hotplug user who manages to track
> > down reboot problems can do the same thing after a discussion with you
> > (and most users probably won't be able to diagnose reboot time Oops
> > situations etc so probably you won't get a lot of mail about it).
> >
> > But wouldn't it be easier to just stop the shutdown-time unload for
> > everyone if it provides no benefit and causes problems for some people?
>
> Hmmm... Might be related to a problem I have had on certain systems...
>
> (on one recent computer, running /etc/init.d/discover causes the kernel
> 2.4.18 and 2.4.19 to oops, and also prevents a clean shutdown.)
>
> Why should unloading modules cause these types of problems though?
> Isn't it an indication of a kernel bug?
Yes, and there are many such bugs. I think that they were considering
removing the module unload functionality from the kernel to resolve such
issues. I've been meaning to listen to the MP3 from the Linux Kernel Summit
on this topic...
Russell Coker
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