[linux-dvb] How to force adaptor order when using 2 DVB cards?

thomas schorpp thomas.schorpp at googlemail.com
Thu Feb 7 21:07:39 CET 2008

John Drescher wrote:
> On Feb 7, 2008 11:46 AM, Eduard Huguet <eduardhc at gmail.com> wrote:
>> Hi,
>>     I currently have a media center computer set up using Gentoo 64 bit
>> and a Hauppauge Nova-T 500 card (dual DVB-T receiver). Now I'm trying to
>> add a new card (DVB-S), and here my problems begin: not mentioning the
>> experimental state of the driver (this is a different story that doesn't
>> matter now), my problem is that the new card porks the order in which
>> the device nodes were created in /dev. And even worse, the actual order
>> ing schema is different between a cold boot and rebooting:
>> Cold boot:
>>   · DVB:0: DVB-S tuner from Avermedia A700
>>   · DVB:1,2: DVB-T tuners from Nova-T
>> Reboot:
>>   · DVB:0: 1st DVB-T tuner from Nova-T
>>   · DVB:1: DVB-S tuner from A700
>>   · DVB:2: 2nd DVB-T tuner from Nova-T
>> I guess that on a cold boot the Nova-T 500 takes longer to initialize
>> (due to the firmware being loaded), so its adaptors gets both created
>> later.
>> Is there any way to avoid this? My MythTV setup currently expects to
>> find the 2 Nova-T 500 adaptors on DVB:0 and DVB:1, and In expected the
>> new DVB-S adaptor to be created as DVB:2. However, it seems this is not
>> the case.
>> Is there any way to force the numbering schema or the 2 adaptors?
> Create a udev rule.
> http://reactivated.net/writing_udev_rules.html
> John

no, this would be too lowlevel.
man modprobe.conf -> install.

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