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On Sep 17, 2014 8:15 AM, "Andrew Potter" <<a href="mailto:andrew@potter.id.au">andrew@potter.id.au</a>> wrote:<br>
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> From: <a href="mailto:mythtv-users-bounces@mythtv.org">mythtv-users-bounces@mythtv.org</a> [mailto:<a href="mailto:mythtv-users-bounces@mythtv.org">mythtv-users-bounces@mythtv.org</a>] On Behalf Of Daryl McDonald<br>
> Sent: Wednesday, 17 September 2014 6:54 AM<br>
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> To: Discussion about MythTV<br>
> Subject: Re: [mythtv-users] Zero Byte Recordings<br>
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> On Tue, Sep 16, 2014 at 4:41 PM, Andrew Potter <<a href="mailto:andrew@potter.id.au">andrew@potter.id.au</a>> wrote:<br>
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> From: <a href="mailto:mythtv-users-bounces@mythtv.org">mythtv-users-bounces@mythtv.org</a> [mailto:<a href="mailto:mythtv-users-bounces@mythtv.org">mythtv-users-bounces@mythtv.org</a>] On Behalf Of Andrew Potter<br>
> Sent: Monday, 15 September 2014 11:45 PM<br>
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> To: 'Discussion about MythTV'<br>
> Subject: Re: [mythtv-users] Zero Byte Recordings<br>
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> From: <a href="mailto:mythtv-users-bounces@mythtv.org">mythtv-users-bounces@mythtv.org</a> [mailto:<a href="mailto:mythtv-users-bounces@mythtv.org">mythtv-users-bounces@mythtv.org</a>] On Behalf Of David Watkins<br>
> Sent: Monday, 15 September 2014 11:31 PM<br>
> To: Discussion about MythTV<br>
> Subject: Re: [mythtv-users] Zero Byte Recordings<br>
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> On 15 September 2014 14:03, Andrew Potter <<a href="mailto:andrew@potter.id.au">andrew@potter.id.au</a>> wrote:<br>
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> -----Original Message-----<br>
> From: <a href="mailto:mythtv-users-bounces@mythtv.org">mythtv-users-bounces@mythtv.org</a><br>
> [mailto:<a href="mailto:mythtv-users-bounces@mythtv.org">mythtv-users-bounces@mythtv.org</a>] On Behalf Of Mark Perkins<br>
> Sent: Monday, 15 September 2014 10:26 PM<br>
> To: Discussion about MythTV<br>
> Subject: Re: [mythtv-users] Zero Byte Recordings<br>
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> Have you tried going to LiveTV then manually changing to one of your<br>
> recording tuners (press m, source, switch input, then select tuner 1). Then<br>
> check each channel one at a time (channel up / down) and check that you can<br>
> see all these channels with LiveTV and your recording tuners (as opposed to<br>
> your LiveTV tuner which is the least likely to get used for recordings).<br>
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> What region are you in? Have you gone to <a href="http://retune.digitalready.gov.au">http://retune.digitalready.gov.au</a><br>
> to check whether you are affected by the channel restack? I don't suppose<br>
> you are eastern South Australia or maybe Murrumbidgee / Upper Murray given<br>
> your channel numbering, there have been various changes scheduled around<br>
> June / July / August which might align with your problems? You might need to<br>
> rescan to pick up changes in frequencies.<br>
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> I'm just guessing here.<br>
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> Mark,<br>
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> Thanks for replying.<br>
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> OK tried changing the channels as you suggested and I thought you had nailed<br>
> it. I was unable try to access the back-end setup and fix it right away as<br>
> some waf recordings are happening (that are working). They are not scheduled<br>
> to finish for an hour or two.<br>
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> There is one recording that is currently showing as zero bytes (still<br>
> showing as recording though) using tuner number 1. I changed the current<br>
> input to that adapter and there was nothing visible, just a black screen. As<br>
> it was recording it would not allow me to change the channel. So I stopped<br>
> the recording (it wasn't working anyway). Then retuned to that tuner. It<br>
> started on abc and was displaying a picture correctly. Changed to all the<br>
> other channels also, i.e. Prime, Win and Southern Cross. All displayed<br>
> picture and audio fine, so now I am baffled. It appears that the tuner<br>
> sometimes does not tune correctly.<br>
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> I think I need to read up on unloading the tuners before shutting down to<br>
> try and get away from the warm start issues.<br>
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> I'm assuming your source is DVB-T?<br>
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> There were some adjustable tuning delay parameters in the card setup section of mythtv-setup which I had to increase a while ago to get reliable recordings from one of my DVB cards, though I can't remember if the symptom was zero-byte recordings or just failed recordings.<br>
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> It's possible that when your box is cooler the cards take longer to get a lock? It's a pure guess - but it wouldn't do any harm to tweak the defaults up a bit.<br>
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> (WARNING. I'm not running the latest MythTV version - these settings may have disappeared now)<br>
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> David ,<br>
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> YES DVB-T.<br>
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> Will check those tomorrow.<br>
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> Andrew<br>
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> The zero byte recordings have now disappeared.<br>
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> I updated the bios on the motherboard and now when I shutdown the Tuners are no longer receiving power, so coming up from a cold state rather than warm. Big problem with this is now the Wake On LAN no longer works.<br>
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> I also changed the tuning delays so not 100 % sure on which change fixed it. Am pretty sure it is the power issue though.<br>
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> Will changed the EUP setting to keep the tuners in warm state and if zero byte recording come back I will then be certain.<br>
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> Does any body have a method of forcing these tuners to appear to be cold booted? I mean can they be removed and reinstalled using a modprobe or something similar that will make them work when warm booted?<br>
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> Andrew<br>
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> Could it be that updating the BIOS reset the defaults so WOL no longer works? <br>
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> Could very well be the case, thanks, I will check that out.<br>
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> Andrew<br>
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<p dir="ltr">So you'll be able to go into power management, or whatever it is called on your mobo and toggle it to auto, or whatever for your setup requires.<br>
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