Unable to remove kernel module showing permanent using lsmod

[Greg KH]

On Thu, Mar 24, 2011 at 02:47:15PM +0700, Kacrut wrote:
> On 03/24/2011 01:38 PM, Mulyadi Santosa wrote:
> > On Thu, Mar 24, 2011 at 12:08, sakthi selvam<sakthi.cdm at gmail.com>  wrote:
> >> But in my case, cleanup module also available in memory, after loading
> >> the module. I used to check using the file in /proc/kallsyms for the
> >> availability of cleanup module in memory.
> > AFAIK, such thing could happen due to certain data structure(s) from
> > that module that are continously accessed or locked. So, to avoid race
> > condition ( and missing pointer), keeping the module in memory is the
> > right way to do.
> >
> > But of course, AFAIK too, you can try rmmod -f. But the risk is all yours.
> >
> I got same problem too. Doing rmmod -f doesnt solve it. Any other solution?

Nope, your kernel is probably configured to not allow kernel modules to
be unloaded.

I would ask your vendor about this as they are the ones that can support
your kernel the best, not the community.

best of luck,

greg k-h