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MP fails to record - sometimes
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<blockquote data-quote="mm1352000" data-source="post: 800868" data-attributes="member: 82144"><p>Hi kevin939</p><p></p><p>Strange problem - as Tony says, there isn't much to go on in the logs. I do have a suspicion though: I suspect the tuner driver just stops producing the stream either because of signal corruption or incorrect tuning parameters.</p><p></p><p>Do you only have this problem with recordings on certain channels?</p><p>Do you ever have problems with timeshifting (no PMT found or no signal errors, or slow tuning)?</p><p></p><p>I mention signal because when I look back in your first set of logs to 2011-10-15 09:41:32 when you tune BBC 1 HD for something else I see quite a few continuity errors. Further, when you try to tune the channel at around 9 AM, there is no signal on the tuner that is meant to be recording (!!!). Later (~1:30pm) both tuners fail to tune BBC One HD and BBC ALBA (same transponder) with PMT errors - this is the same problem as I see after the resume for recording the rerun. All that is not enough to make me *really* certain that this is the problem, however enough to mention it. I note that your DVB-T tuner seems to have more signal discontinuities than your DVB-S tuners...</p><p></p><p>I mention tuning parameters because that particular transponder is DVB-S2 using non-backwards-compatible QPSK and yet you have set the modulation to "not set" on that channel. This is a little unusual because tuner drivers often rely on the modulation parameter to determine whether a transponder is DVB-S2 or not. It should be set to either QPSK or *maybe* NBC-QPSK. In fact, other channels on that transponder that I see you tune have modulation set to either QPSK (ITV1 HD) or NBC-QPSK (BBC ALBA). How has this mismatch happened?</p><p></p><p>At this point I don't have any firmer proof for my theory than that. I think increasing the delay as you've done is a good move. Also try changing the modulation for BBC One HD. You could try the DVBS network provider instead of the generic one too (preferred network provider - <a href="http://wiki.team-mediaportal.com/1_MEDIAPORTAL_1/141_Configuration/TV-Server_Configuration/02_TV_Servers" target="_blank">wiki</a>).</p><p></p><p>mm</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="mm1352000, post: 800868, member: 82144"] Hi kevin939 Strange problem - as Tony says, there isn't much to go on in the logs. I do have a suspicion though: I suspect the tuner driver just stops producing the stream either because of signal corruption or incorrect tuning parameters. Do you only have this problem with recordings on certain channels? Do you ever have problems with timeshifting (no PMT found or no signal errors, or slow tuning)? I mention signal because when I look back in your first set of logs to 2011-10-15 09:41:32 when you tune BBC 1 HD for something else I see quite a few continuity errors. Further, when you try to tune the channel at around 9 AM, there is no signal on the tuner that is meant to be recording (!!!). Later (~1:30pm) both tuners fail to tune BBC One HD and BBC ALBA (same transponder) with PMT errors - this is the same problem as I see after the resume for recording the rerun. All that is not enough to make me *really* certain that this is the problem, however enough to mention it. I note that your DVB-T tuner seems to have more signal discontinuities than your DVB-S tuners... I mention tuning parameters because that particular transponder is DVB-S2 using non-backwards-compatible QPSK and yet you have set the modulation to "not set" on that channel. This is a little unusual because tuner drivers often rely on the modulation parameter to determine whether a transponder is DVB-S2 or not. It should be set to either QPSK or *maybe* NBC-QPSK. In fact, other channels on that transponder that I see you tune have modulation set to either QPSK (ITV1 HD) or NBC-QPSK (BBC ALBA). How has this mismatch happened? At this point I don't have any firmer proof for my theory than that. I think increasing the delay as you've done is a good move. Also try changing the modulation for BBC One HD. You could try the DVBS network provider instead of the generic one too (preferred network provider - [URL="http://wiki.team-mediaportal.com/1_MEDIAPORTAL_1/141_Configuration/TV-Server_Configuration/02_TV_Servers"]wiki[/URL]). mm :) [/QUOTE]
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