[mythtv-users] udev and DVB problems
Yan Seiner
yan at seiner.com
Tue Apr 10 15:13:12 UTC 2007
David Watkins wrote:
> On 10/04/07, Piers Kittel <mythtv at biased.org> wrote:
>
>> Hello all,
>>
>> Am moving my mythtv stuff (recordings, database, DVB card etc) to new
>> hardware, but am having a nasty problem making me tear my hair out.
>>
>> Anyway. I've got 2 x Nova-T DVB-T tuners. The new hardware is
>> running Debian Etch 4.0 installed yesterday. I compiled kernel
>> 2.6.20-6 with the stock kernel's DVB drivers built in as a module.
>> The module gets loaded and both DVB cards are detected fine. So I go
>> to test the DVB card using the following command:
>>
>
>
> I'm not sure what you mean by 'built in as a module. I thought kernel
> drivers are either 'built in' OR a module.
>
> Using a Fedora system with Nova-T DVB-T tuners, loading the cx88_dvb
> module created the /dev/dvb/frontend devices. I had to muck around
> with udev to get the permissions right, but the devices did get
> created properly.
>
> Not sure if this is related but, with Fedora FC^, the upgrade from
> 2.6.19 to 2.6.20 broke the automatic loading of the CX88_dvb module
> and I had to modprobe it to get it to load, and going back further
> into the past I had a couple of systems that would automatically load
> the 'blackbird' dvb driver by mistake, which I had to blacklist. So
> it might be that your dvb drivers aren't correctly loading,
> particularly as 2.6.20 seems to have a problem with dvb_cx88.
>
Debian Etch with self-built 2.6.20.4 kernel, I can confirm that the
cx88_dvb module fails to load automatically. I just added a modprobe
cx88_dvb to the mythbackend startup script in /etc/init.d/
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