[linux-dvb] semi-recent regressions in automatic loading of DVB modules

Andrew de Quincey adq_dvb at lidskialf.net
Thu Sep 7 07:05:07 CEST 2006


On Thursday 07 September 2006 05:37, Lincoln Dale wrote:
> >> from looking at the resulting /lib/modules/2.6.18-rc5ltd1/modules.dep,
> >> i can see that no modules seem to think they have a dependency on
> >> mt352. same for dst.
> >
> > yep, thats right.. dvb_attach does the dependencies at runtime.
>
> hmm, ok.  that's where the twisty maze of
> symbol_request/try_then_request_module/request_module happens & i'm not
> sure i follow the logic.
>
> from what i can tell, dvb_attach just calls symbol_request which calls
> try_then_request_module which in turn calls request_module which forces a
> modprobe.
>
> but - as far as i can tell, modprobe will be called to install mt352_attach
> - which obviously isn't the same thing as mt352.
> maybe this is an area where the age of my module-init-tools is showing.
> (see below).

Pretty much thats it yeah. 

I've just downgraded my system to module-init-tools 3.1, and now dvb_attach 
fails as yours does, so it needs 3.2 at least... I'll add a comment to the 
Kconfig description about it.



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