[mythtv-users] DVB-S locking problem

[Mark Carbonaro]

On 7 December 2011 23:21, Lawrence Rust <lvr at softsystem.co.uk> wrote:
> On Wed, 2011-12-07 at 19:52 +1100, Mark Carbonaro wrote:
>> On 6 December 2011 22:36, Lawrence Rust <lvr at softsystem.co.uk> wrote:
>> > On Tue, 2011-12-06 at 10:23 +1100, Mark Carbonaro wrote:
>> > [snip]
>> >>
>> >> Hi again,
>> >>
>> >> So I went back to 2.6.39 and it seems to be tuning correctly, but Myth
>> >> is not able to fetch any data from dvr0.  So in the case of watching
>> >> live TV the frontend times out waiting for data and when recording the
>> >> file grows to about 370 bytes and that is it.
>> >>
>> >> Does anyone have some hints on how to troubleshoot this kind of issue?
>> >
>> > First have you done a recent re-scan and if so is the channel that you
>> > are tuning definitely on-air?
>> >
>> > It would be useful to see mythbackend.log from mythbackend -v record.
>> > If mythbackend is run as a daemon then to change the log level enter:
>> > mythbackend --setverbose record
>> >
>> > Next try enabling kernel frontend debug messages:
>> > sudo sh -c "echo 1 >/sys/module/dvb_core/parameters/frontend_debug"
>> >
>> > Then start mythbackend/frontend and try to tune to a known good channel.
>> > Note the current time and then enter:
>> > cat /var/log/kern.log
>> >
>> > Cut out the section of the log recorded while you were tuning.  If you
>> > post that here then maybe I can spot something.
>> >
>> > When you're done enter;
>> > sudo sh -c "echo 0 >/sys/module/dvb_core/parameters/frontend_debug"
>> >
>> > --
>> > Lawrence
>> > _______________________________________________
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>> > mythtv-users at mythtv.org
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>>
>> Thanks for looking into this for me, please find attached the two log
>> outputs, the kernel log looks fairly uninteresting.
>>
>> The mybackend.log is from the time i started the recording, until it
>> stopped producing output.  The recording is still going and recording
>> file does seem to be growing and there hasn't been anymore log output.
>>  I tried watching the recording, just get the timeout out waiting for
>> data error.
>>
>> I tried to play the recording file with mplayer, got the follow output:
>> Playing 4008_20111207081400.mpg.
>> TS file format detected.
>> NO VIDEO! NO AUDIO!  SUB Teletext(pid=1086)
>> No stream found.
>>
>> I hope this helps highlight the problem.
>
> At 08:13:47.663 in the BE log, the PMT for the channel that you're
> tuning shows that it's encrypted.  Since the TeVii S660 doesn't include
> a CI slot then I assume that you're using some other form of decryption
> - sasc-ng?  I'm aware that 'house rules' forbid further discussion here.
> You should take up this problem with the decryption provider.
>
> Everything else looks fine in the log, so your tuner is working OK.
>
> --
> Lawrence
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Correct on the decryption and I understand the house rules.

Thanks again for looking at this.