[mythtv-users] udev help

Tim Draper veehexx at gmail.com
Mon Aug 15 12:23:26 UTC 2011


well thats a whole lot easier!
thanks and i'll give it a go tonight when i get home!

Tim

On 15 August 2011 13:17, Terjesen Jens Peder <
Jens.Peder.Terjesen at devoteam.com> wrote:

> Tim Draper wrote:
>
> ---------------------------------
> i have 2 different tuners and upon reboot of the mythtv PC, the TV cards
> loose their /dev/dvb/ assignment and i end up with a DVB-S2 config on a
> DVB-T card.
> i have to enter mythtv-setup to wipe the devices, readd them, and then
> re-attach the scan data. only takes 5 mins, but it's a big annoyance.
>
> i found a wiki document (
> http://www.mythtv.org/wiki/Device_Filenames_and_udev), and i have each
> cards particulars.
>
> however i'm now very confused about what im doing next!
> one section in that wiki article, says KERNEL=="video[0-9]*", and the next
> section says SUBSYSTEM=="dvb",
>
> how do i know what i need to add to the udev rules file?
>
> all my cards are DVB cards (DVB-S2 has 2 inputs, DVB-T has 1 input), so i
> suspect i need to be using the SUBSYSTEM filters and not the KERNEL ones?
> will i need 3 rules, 1 for each input, or can i just limit to the driver
> files (cx23885, and cx88*)?
>
> i understand what the aim is an why im doing it, but i am confused about
> which bits go where!
> thanks for any help!
> ---------------------------------
>
> >From this thread it looks like both drivers support the adapter_nr module
> option:
>
> http://www.gossamer-threads.com/lists/mythtv/users/459843?do=post_view_threaded#459843
>
> E.g.
> options cx23885 adapter_nr=0
> options cx88-dvb adapter_nr=1
>
> in /etc/modprobe.d/options.conf (or other configuration file)
>
> Jens
>
>
>
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