[mythtv-users] DVB-S locking problem
Lawrence Rust
lvr at softsystem.co.uk
Tue Dec 6 11:36:13 UTC 2011
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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