[mythtvnz] DVB cards changing

Sat Jul 18 13:10:37 BST 2009

What you're probably looking for is in /dev/dvb/

-Kristian

På Fri, 17 Jul 2009 13:57:10 +0200, skrev Barry Clearwater  
<barryc at bcsystems.co.nz>:

> Hmm, not sure.
> I may slightly get it now. The Nova S has a composite video out which is
> probably why I also get /dev/video0 and /dev/video1 but they're not  
> really
> what I'm after.
> I may be beating up the wrong runway.
> I can see the cards in the pci bus.
> To be honest very little about this install has gone easy. Lirc is all
> changed, the cards have been mental, and audio has been elusive (Just
> figured out making the master the volume control works). Granted that  
> nvidia
> graphics have been easy-ish, EIT off the dish is not too hard but l had a
> large enough headache with trying to get diskless workstations to be
> properly set up - MCC kept crashing for them.
> Yes, its Mythbuntu 9.04 folks.
> Barry
>
> 2009/7/17 Jason Taylor <killerkiwi2005 at gmail.com>
>
>> no problem... the bug says  /dev/v4l /* dont work.. I'm assuming thats
>> still true?
>>
>> I've only ever done this with analogue cards but this is what I did
>>
>> sudo python udev-rules-jaunty.py   /dev/video0   /dev/video_PVR150a
>> sudo python udev-rules-jaunty.py   /dev/video1   /dev/video_PVR150b
>>
>> And that will walk you through the rest
>>
>> Then in myth setup change the devices to /dev/video_PVR150a and
>> /dev/video_PVR150b
>>
>> The /dev/video_ links will then always point to the correct device,
>> the /dev/video0 etc will still change
>>
>> Jason Taylor
>>
>> 2009/7/17 Barry Clearwater <barryc at bcsystems.co.nz>:
>> > Jason, thanks for this. I have only a cursory understanding of the  
>> udev
>> > rules, can you give me an example for using your script. I have a
>> > /dev/video0 and /dev/video1 device which are pointed to by
>> > /dev/v4l/by-path/pci-0000:01:06.0-video-index0  and index1  symlinks.
>> > I've found /lib/udev/rules.d/60-persistent-v4l.rules but I'm not sure
>> which
>> > two devices I'm telling your script about - the script asks for an old
>> > device and new device.
>> > In mythtv-setup, i've got dvb devices 0-3  which keep changing (don't
>> know
>> > how they are referenced!) I'm typing all this to try and document it
>> better
>> > for the next "bloke" who thinks he knows what hes doing :-) So thanks  
>> for
>> > the script, just need a wee nudge.
>> > Regards
>> > Barry
>> >
>> > 2009/7/17 Jason Taylor <killerkiwi2005 at gmail.com>
>> >>
>> >> Create a udev rule....
>> >>
>> >> See script on this bug
>> >> https://bugs.launchpad.net/ubuntu/+source/mythbuntu-meta/+bug/370696
>> >>
>> >> They got my name wrong in the copyright lol
>> >>
>> >> 2009/7/17 Graeme Woollett <g.woollett at irl.cri.nz>:
>> >> > krizze at bluezone.no wrote:
>> >> >>> I have a second problem, same system. I have two Hauppauge Nova S
>> >> >>> cards
>> >> >>> and
>> >> >>> a dual Nova T. The cards keep changing their assignments, eg  
>> DVBS0
>> >> >>> becomes
>> >> >>> the Nova T then after a reboot becomes the Nova S.
>> >> >>> Can't figure this one out but it sure stuffs up myth.
>> >> >>> I also have problems trying to tune one of the nova T, sometimes  
>> it
>> >> >>> just
>> >> >>> sits there and won't tune, other times it flys through.
>> >> >>> Aaargh! Help anyone?
>> >> >>>
>> >> >> One way would be to blacklist the kernel modules the cards are  
>> using
>> >> >> (/etc/modprobe.d/blacklist afaik). Then you can manually modprobe
>> them
>> >> >> in
>> >> >> order during bootup, e.g. in /etc/rc.local:
>> >> >> modprobe module-of-card-1 options=xxx
>> >> >> modprobe module-of-card-2 options=xxx
>> >> >>
>> >> >> I also have problems with tuning on my Nova-T-500, it just stands
>> there
>> >> >> with no lock, and 0 signal. After a reboot it's OK again, for a  
>> cople
>> >> >> of
>> >> >> hours, if i'm lucky. Guess it's broken or something.
>> >> >>
>> >> >>
>> >> >> Regards,
>> >> >> Kristian Haga Karstensen
>> >> >>
>> >> >>
>> >> >>
>> >> >> _______________________________________________
>> >> >> mythtvnz mailing list
>> >> >> mythtvnz at lists.linuxnut.co.nz
>> >> >> http://lists.ourshack.com/mailman/listinfo/mythtvnz
>> >> >> Archives http://www.gossamer-threads.com/lists/mythtv/mythtvnz/
>> >> >>
>> >> > Make sure you are not running the 1.2 version firmware.  A UDev  
>> rule
>> can
>> >> > stop them changing around.
>> >> > I had a HVR4000 & Nova T that did this.  I found that they only
>> changed
>> >> > order when I did a warm reboot.  Cold booting didn't change them.
>> >> > Once the firmware gets loaded they must change the product or  
>> vendor
>> ID
>> >> > and this causes them to be allocated in a different order by the  
>> OS.
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > Graeme Woollett
>> >> > Research Engineer
>> >> > Applied Physics and Engineering Team
>> >> > Industrial Research Ltd
>> >> > ph 04 931 0193
>> >> > email g.woollett at irl.cri.nz
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > mythtvnz mailing list
>> >> > mythtvnz at lists.linuxnut.co.nz
>> >> > http://lists.ourshack.com/mailman/listinfo/mythtvnz
>> >> > Archives http://www.gossamer-threads.com/lists/mythtv/mythtvnz/
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> "Weekends don't count unless you spend them doing something  
>> completely
>> >> pointless. " - Calven
>> >>
>> >> _______________________________________________
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>> >> mythtvnz at lists.linuxnut.co.nz
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>> >> Archives http://www.gossamer-threads.com/lists/mythtv/mythtvnz/
>> >
>> >
>> >
>> > --
>> >
>> > Barry Clearwater
>> > Email: barryc at bcsystems.co.nz
>> >
>> > _______________________________________________
>> > mythtvnz mailing list
>> > mythtvnz at lists.linuxnut.co.nz
>> > http://lists.ourshack.com/mailman/listinfo/mythtvnz
>> > Archives http://www.gossamer-threads.com/lists/mythtv/mythtvnz/
>> >
>> >
>>
>>
>>
>> --
>> "Weekends don't count unless you spend them doing something completely
>> pointless. " - Calven
>>
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>>
>
>
>


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