[linux-dvb] Re: no frontend0 dev after dvb-kernel module reload

[Andrew de Quincey <adq_dvb@lidskialf.net>]

On Saturday 15 March 2003 17:14, Simeon Walker wrote:
> Hi,
>   recently I have tried out the dvb-kernel drivers from cvs as of
> 12-03-2003.
> I am using kernel 2.4.20 (with devfs) and a Nova-T 'budget' PCI card
> (grundig_29504-401 frontend).
>
> The first time the modules are loaded after a reboot everyhing works fine.
> If I unload the modules and load them again (using the insmod.sh script)
> then everything appears to load but no /dev/dvb/adapter0/frontend0 device
> is created (the others are).
>
> Is this a known problem?

Yeah, the frontend becomes powered down during the unload/reload. The current 
detection code does not detect the frontend once this has occurred.

I did submit a patch for this a few months back, but unfortunately, nothing 
has happened with it, perhaps because the code necessary to re-detect it when 
it is powered down is quite nasty. 

A neater solution would just be to disable the code which powers the frontend 
down.

-- 
adq


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