[mythtv-users] Failed to change channel error

Harry Devine lifter89 at comcast.net
Tue Dec 28 23:16:33 UTC 2010


On 12/28/2010 04:52 PM, Bill Meek wrote:
> On Tue, 2010-12-28 at 16:18 -0500, Harry Devine wrote:
> ...
>> I hope I did this right.  I entered "mythbackend --setverbose
>> general,extra" from a terminal window, and tailed the log file from
>> another window.  I saw nothing at all in the log, and the following from
>> the mythbackend run:
> ...
>
> Hi;
>
> Start the backend,
> And the frontend,
> Tail the backend log like you did,
> Use the --setverbose as above,
> Change channels on the frontend
>
> Watch for:
> 2010-12-28 15:00:28.843 Verbose level changed, new level is:  ...
> 2010-12-28 15:03:12.066 Launching:<your program here>
> 2010-12-28 15:03:12.076 PID # launched
> 2010-12-28 15:03:12.191 PID #: exited: status=?, result=?
>
> Or, you can just start the backend with -v general,important,extra
> and omit the ... --serverbose ... line.
>
> I assumed your backend&  frontend were already running. Oops.
>
> Good luck,
>
> Bill
>
>
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>
I figured out what I needed to do.  I stopped the backend service, then 
ran mythbackend using "-v general,extra" manually.  I saw that it was 
trying to call "/usr/bin/6200ch %CHANID% 20" (20 is the startup  channel 
on that source), so it was failing.  I took out the %CHANID% and 
restarted it and it worked, and the channel changed on my STB.

I'm going to schedule a small recording on my HDPVR and see how it 
works.  Looks like I might (as I'm looking for wood to knock on) be back 
in business.

Thanks,
Harry



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