TVheadend 100% signal, XBMC: "no input detected"

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babca Offline
Junior Member
Posts: 27
Joined: Apr 2011
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Post: #1
Hi,
there is a strange issue with live TV functionality. Although tvheadend has a full strength signal, I can't start a tv stream anymore.

[Image: 00000073.png]

Screenshot from opdenkamp's Eden-pvr update 3:
[Image: 00000072.png]

This is happening on OpenELEC box too.

EDIT: I enabled a debug log in tvheadend interface.
Quote:May 21 15:05:16 Transport: A867 USB DVB-T/CESKE RADIOKOMUNIKACE: 626,000 kHz/Prima COOL: Status changed to [Graceperiod expired]

It worked for a month without issues. Could someone tell me what can cause this behavior? Thank you!

My silent AMD Zacate HTPC on MSI E350IA-E45, 16W@46°C when idle, 27sec cold boot
(This post was last modified: 2012-05-21 15:11 by babca.)
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opdenkamp Offline
Team-XBMC PVR Developer
Posts: 1,946
Joined: Feb 2009
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Location: Heerlen, The Netherlands
Post: #2
Cam isn't set up properly most likely

opdenkamp / dushmaniac

xbmc-pvr [Eden-PVR builds] [now included in mainline XBMC, so no more source link here :)]
personal website: [link]

Found a problem with PVR? Report it on Trac, under "PVR - core components". Please attach the full debug log.

If you like my work, please consider donating to me and/or Team XBMC.
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basco Offline
Senior Member
Posts: 193
Joined: Jun 2010
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Post: #3
I agree with dushmaniac.
You probably ran out of your initial free months of viewing Wink

I think this thread must be closed now
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babca Offline
Junior Member
Posts: 27
Joined: Apr 2011
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Post: #4
basco: It's free local DVB-T only. :-)

The issue seems to be in the DVB-T usb dongle itself. I plugged that off from USB port for a few hours, then reconnect and it worked again. After next 24 hours the same problem appeared and now I can't get it to work at all.

Please don't lock the thread yet, I'm going to do more research on this (will try another receiver) and post it here. It could be useful for future users...

My silent AMD Zacate HTPC on MSI E350IA-E45, 16W@46°C when idle, 27sec cold boot
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basco Offline
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Posts: 193
Joined: Jun 2010
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Post: #5
i can recall having these kind of issues in the past.
when you htpc has multiple usb ports it could be that it has an internal usb hub.
pleaseplug the dvb-t dongle in the 1st usb port that is not on the internal usb hub.
if you are using a linux system, check if the usb controller has shared interrupts with other devices in your system.
if so, put the usb controller on a seperate irq.
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xburchartz Offline
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Posts: 57
Joined: Apr 2010
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Location: Amsterdam
Post: #6
I have the same issues with my dongle, running on Ubuntu. It may be a dumb question, but could you help me with the commands that I need to use in order to determine the right irq?
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basco Offline
Senior Member
Posts: 193
Joined: Jun 2010
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Post: #7
your log says: "Graceperiod expired".
this probably means that your grace period has expired.
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skeal Offline
Junior Member
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Joined: Jan 2010
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Post: #8
I had this problem when the option is activated to check signal strength in tvheadend. I then also couldn't open any stream ...

Try this perhaps..
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moontan77 Offline
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Posts: 344
Joined: Jul 2009
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Post: #9
Have the same issue today, getting no input detected for my usb dvb-t tuner (fta channels). No errors regarding this tuner when i check dmesg either.

edit: ignore, stupid me, someone had plugged out aerial splitter unit so wasnt getting any power.
(This post was last modified: 2012-08-05 20:07 by moontan77.)
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regnets Offline
Senior Member
Posts: 155
Joined: Feb 2011
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Post: #10
I have the same error the last one and a half year.

I'm using the TBS6981 PCIe Tuner Card. DVB-S FreeToAir and i got a 100% signal.

My OS is Ubuntu 11.10 and i used different repo version of tvheadend and therefore the stable 2.1/3.0 build.

Still i'm not using the pvr-addon, i'm using the htsp protocol with driect links via the favorites to watch tv.

The tuner card is hooked up to a 5/8 multiplexer.

I have no erros when i check dmesg.

Can you give me any clou whats going wrong?

Thanks in advance.

regnets
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