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PostPosted: Tue Sep 15, 2009 8:20 pm 
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sometimes one of my PVR-500 tuners will result in a empty recording.

the machine has a PVR-350 and PVR-150 and uses the 350 then the 150 then the 500 tuner A then B. I dont know exactly whats going on, maybe it's out of ram?

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PostPosted: Tue Sep 15, 2009 9:06 pm 
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Location: California
Have you checked the myth backend logs? I've found that at times they provide useful info. You'll need to look at the time frame when the recording was attempted.

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PostPosted: Tue Sep 15, 2009 10:09 pm 
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Just to amplify marc's response, you can find the logs in /var/log/mythtv. The backend is mythbackend.log and the frontend is mythfrontend.log. I like to use "less" to page thru the logs:

Code:
less /var/log/mythtv/mythbackend.log

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PostPosted: Tue Sep 15, 2009 10:49 pm 
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this is all kinda jibberish...

I see something all over the place about ivtv driver stopped responding which seems to only happen for /dev/video 2 which would be the first tuner on the PVR-500

I see something about a preview failed because a file didnt exist (probably related)

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PostPosted: Tue Sep 15, 2009 10:50 pm 
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I'm disabling Video 2 for now, this is happening on my favorite shows now...

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PostPosted: Tue Sep 15, 2009 10:53 pm 
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alright, now Mythtv setup isnt working.... it says

(something off the screen)tex destroy failure: device or resource busy

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PostPosted: Wed Sep 16, 2009 12:51 am 
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Location: California
1. Has your current hardware configuration ever been stable? If so, for how long?

2. Have you made any recent hardware changes?

3. Please post the output of "cat /proc/interrupts"

4. Please post a few of the error messages you are seeing in the myth backend logs. It will be useful to see the exact error message.

Thanks.

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PostPosted: Wed Sep 16, 2009 6:47 am 
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Location: Toronto
I haven't run into this particular issue with my 500, but I have had the signal go all scrambly bambly on me. To fix this I shutdown and remove power form the box for at least 30 seconds. This will force the firmware to load form scratch again.

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PostPosted: Wed Sep 16, 2009 1:53 pm 
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I had that issue too... I'll try your idea

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PostPosted: Wed Sep 16, 2009 3:02 pm 
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Location: Silicon Valley, CA
Gnarl wrote:
I have had the signal go all scrambly bambly on me.

I need a dictionary for all these technical terms!

:P

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PostPosted: Wed Sep 16, 2009 9:30 pm 
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Location: Arlington, MA
I'd definitely start with the "really off" (unplugged or switched off at the power supply) for at least 30 seconds, and double checking all the cables and connections. On the rare occasions where my PVR cards had some problem those were inevitably the cause.

FWIW - Anyone who _ever_ have to troubleshoot _anything_ should read David Agans "Debugging" - http://www.debuggingrules.com/ it's one of those slim but invaluable volumes that is both easy to read and full of useful lessons. Here, rule #7 - "check the plug". Marc's suggest to check the logs falls under either rule #3 - "quit thinking and look" or rule #6 - "keep (and check) an audit trail".


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PostPosted: Fri Sep 18, 2009 4:09 pm 
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it worked, but now tuner 2 is staticy... but all 4 are recording otherwise

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PostPosted: Fri Sep 18, 2009 4:25 pm 
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I seem to have spoke too soon, it stopped recording a 1 hour program at 21:42 minutes

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1TB WD Green Hdd
Hauppauge PVR-350 (tv-out)
SiliconDust HDHomeRun Prime
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 Post subject:
PostPosted: Mon Sep 21, 2009 8:32 pm 
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Posts: 184
I'm pulling the card, it screwed up the recording of house... good thing I watched it live

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Hauppauge PVR-350 (tv-out)
SiliconDust HDHomeRun Prime
16X memorex DVD drive


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 Post subject:
PostPosted: Mon Sep 21, 2009 10:39 pm 
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Location: Silicon Valley, CA
I know it sounds stupid and obvious, but are you absolutely sure your signal level is good at the tuners? The problems you have seem like they could be caused by poor cables or splitters in the system.

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