Re: Unable to remove stv0299

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Andrew de Quincey wrote:
> 
> > > @Andrew:
> > > Imho the problem is that
> > > - dvb_attach calls symbol_request(fe_attach)
> > > - dvb_detach calls symbol_put_addr(fe_release)
> > > i.e. two different symbols are used...
> > >
> > > What do you think?
> >
> > Crap, looks like something got lost in that /LONG/ discussion, because
> > thats never going to work is it?
> 
> Actually, no, this should work...
> 
> symbol_request() looks up the module containing the given symbol and does a 
> module_get() on it.
> 
> symbol_put_addr() looks up the module containing the given /addresss/ and does 
> a module_put() on it... so it /should/ be working; in fact it was. But 
> obviously it ain't for you guys for some reason.
> 
> Trent fixed a nasty bug in symbol_put_addr() for 2.6.17.. perhaps theres still 
> another one lurking?

Hm - does it work for you? Which kernel version are you using?
The changelog of the kernel does not list any fixes for 2.6.17.[1-8] in
that area.

Here it does not work with plain 2.6.17 and
- DVB-S full-featured card Rev 2.1 (stv0299)
- Activy GR budget (tda8083)

Btw, it works if I do a symbol_put_addr(xxx_attach) instead of
symbol_put_addr(xxx_release).
I think I have to do some kernel debugging...

Oliver

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