[mythtv-users] Error: offset>181

Peter Bienstman Peter.Bienstman at UGent.be
Sat Aug 2 05:59:52 UTC 2014


Hi,

I've been debugging this a bit more. 

Actually, I can get this to fail more reliably if I turn on active EIT scan.
(I've made sure that only channels are included which actually have valid
EIT data, though, so one would expect this to work).

Also, turns out my syslog is full of messages like 

[  128.728029] cx23885_wakeup: 18 buffers handled (should be 1) [
128.828029] cx23885_wakeup: 17 buffers handled (should be 1)

This first led me to believe that this has something to do with
suspend/resume, but I get the same behaviour upon cold start, so this might
be a red herring, especially since I also get these errors when successfully
watching tv with caffeine.

With EIT gathering on, starting a frontend (xmbc in my case) and tuning to a
channel reliably fails. Stopping mythtv, starting kaffeine and tuning to a
channel works, and subsequently mythtv is also happy to tune to different
channels. With EIT gathering off, the same symptoms occur, but more rarely.

With the extra log options you suggested, the backend log looks like the
attached version. It's a bit mysterious in the sense that it seems to report
success with tuning, but then actually watching the channel seems to fail.

Anyway, thanks a lot for looking into this!

Peter

> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org [mailto:mythtv-users-
> bounces at mythtv.org] On Behalf Of John Pilkington
> Sent: 31 July 2014 17:10
> To: mythtv-users at mythtv.org
> Subject: Re: [mythtv-users] Error: offset>181
> 
> On 31/07/14 14:08, Peter Bienstman wrote:
> >> I'm not sure about this, but I think it's a 'rescan your transports'
> >> indication.
> >
> > Even if after running Kaffeine I'm able to tune through all my
> > channels again in mythtv?
> >
> > Peter
> >
> 
> Perhaps not; that sounds as if it's not a DB tables issue.
> 'mythbackend -v channel' or 'mythbackend -v dvbcam'  ?
> I'm not sure what to expect, though.
> 
> John
> 
> 
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