[mythtv] Ticket #11520: Active EIT scanning will stop working if program not found in PAT

Terry Fisher lists at tfisher.ca
Wed Aug 21 15:32:49 UTC 2013

On 2013-08-21 11:20 AM, John P Poet wrote:
> On Tue, Aug 20, 2013 at 8:39 PM, Terry Fisher <lists at tfisher.ca 
> <mailto:lists at tfisher.ca>> wrote:
>     On 2013-08-20 6:50 PM, John P Poet wrote:
>>     On Tue, Aug 20, 2013 at 3:46 PM, Torbjörn Jansson
>>     <torbjorn.jansson at mbox200.swipnet.se
>>     <mailto:torbjorn.jansson at mbox200.swipnet.se>> wrote:
>>         > Being in the US, I use schedulesdirect, so I don't have any
>>         experience
>>         > with EIT.  That being said, I have setup a box with a
>>         HDHomeRun/ATSC
>>         > and EIT enabled.  Any tips on what I could possibly do to
>>         reproduce the
>>         > problem?
>>         >
>>         > John
>>         In my case when i have tested eit, sometimes eit collection
>>         is never started
>>         (you need to wait a minimum of 5-10 minutes or so until it
>>         starts) and
>>         sometimes it starts right away.
>>         I have a backend log with -v eit saved from my dev box with
>>         this error if
>>         that helps.
>>         The log is pretty clean from other stuff since it is a dev box.
>>         I haven't restarted the backend yet so it still is stuck
>>         since a day or two
>>         ago.
>>         But I guess you also need to reproduce it to see where the
>>         problem is.
>>         Perhaps I can connect gdb to the running instance and make
>>         some backtraces?
>>         Note that I have a few minor additions in the eit fixup on my
>>         dev box since
>>         I was working on a new guide fixup.
>>         But don't think those should be the cause of this problem.
>>     If I understand the problem correctly -- that if tuning fails, it
>>     never tries to do an EIT scan again -- then the attached patch
>>     should fix the problem.  If anyone is able to test this patch and
>>     report success, I will try and get it into 0.27.
>>     John
>     As expected, I was able to trigger the bug by disconnecting the
>     antenna from the ATSC card until the EITScanner switched to a new
>     channel.  This causes the ActiveScanning to stop at which point I
>     reconnected the antenna.  The Active EIT scanner isn't started
>     again unless a recording occurs on that card (or Live TV is
>     selected for that channel).
>     I then applied the patch, and again disconnected the antenna until
>     active scanning was disabled.  I then reconnected the antenna and
>     after a few minutes, Active EIT scanning started again, so the
>     patch fixes the problem I'm seeing.
>     Thanks!
> Thank you for testing this.  Is there a ticket for this problem?  If 
> not, can you create one ( http://code.mythtv.org/trac/newticket ).  I 
> will get this fix committed sometime today.
> John
I believe it is the same problem described in ticket # 11520, at least 
that's why I didn't create a new ticket.  If you don't think its the 
same, I'll create a new ticket for this.

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