[mythtv] Ticket #11520: Active EIT scanning will stop working if program not found in PAT
Terry Fisher
lists at tfisher.ca
Wed Aug 21 02:39:08 UTC 2013
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!
Terry
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