Re: autofs4 module reference count

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Ping?  Any news on this?  Unfortunately I
don't have much understanding in kernel
internals to look at this...

Thank you!

On 26.04.2012 17:41, Michael Tokarev wrote:
> I'm not sure how but it appears that sometimes
> after I stop autofs service, the module usage
> count goes negative so the module can't be
> removed anymore.
> 
> This happens on 3.0.29 kernel on which I'm
> testing stuff with the user<=>kernel interface
> problem on mixed 32/64bit environment, but I
> don't see any changes related to this in more
> recent kernels.
> 
> Current situation I have:
> 
> $  lsmod | grep auto
> autofs4                22422  2147483647
> 
> It happened when I stopped automount
> (using /etc/init.d/autofs stop), before
> this action the module had 1 usage count
> (with only one automount map/mount in use).
> 
> Before, when the daemon were stucking all
> the time, I had to kill -9 it, and the usage
> count was decremented correctly.
> 
> It looks like something is decrementing the
> usage count twice on the regular path, and
> only once on error path.
> 
> Thanks,
> 
> /mjt

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