Tvheadend fails to open second tuner...

Added by Juliet Blanch about 7 years ago

My new bought tecnotrend 4200 dual tuner card does not work properly with Tvheadend.
Sometimes when i turn on my htpc tvheadend server only 1 of the tuner works,for the other to work i have to reboot box.
That does not happen with the 2 separate dvb-t usb tuners im using in the same server.
Is that a bug?
I have to say the 2 tuners are showing but only one is ready for use.

Replies (7)

RE: Tvheadend fails to open second tuner... - Added by Mark Clarkstone about 7 years ago

That sounds like an issue with the tuner (or it's driver) rather than Tvheadend. Check dmesg for any errors when it happens.

RE: Tvheadend fails to open second tuner... - Added by Juliet Blanch about 7 years ago

Everything seems to be ok.
I noticed the order of tuners changes when i reboot the sever and then it shows in both: Universal lnb only.
By switching off and on the pc then only 1 adaptor shows Universal lnb only.

Im using also 2 usb dvb adaptors pluged via usb so don't know if this has anything to do with it.

RE: Tvheadend fails to open second tuner... - Added by Mark Clarkstone about 7 years ago

Juliet Blanch wrote:

Everything seems to be ok.
I noticed the order of tuners changes when i reboot the sever and then it shows in both: Universal lnb only.
By switching off and on the pc then only 1 adaptor shows Universal lnb only.

Im using also 2 usb dvb adaptors pluged via usb so don't know if this has anything to do with it.

When one of the tuners fail stop tvheadend and try scanning using w_scan.

an example command would be something like.

sudo service tvheadend stop
sudo apt-get install w-scan (it could also be w_scan or even wscan. The name is sometimes different)
sudo w_scan -a0 -fs -cGB

a = adapter
f = frontend type
c = country

Modify the above to suit and post the output

RE: Tvheadend fails to open second tuner... - Added by Juliet Blanch about 7 years ago

Hi & thanks...
Unfortunately i can not run apt-get commands since my OS is Libreelec(Semiclosed linux?)
I've read something bout link input(Option over web interface)

RE: Tvheadend fails to open second tuner... - Added by Mark Clarkstone about 7 years ago

Juliet Blanch wrote:

Hi & thanks...
Unfortunately i can not run apt-get commands since my OS is Libreelec(Semiclosed linux?)
I've read something bout link input(Option over web interface)

Libreelec has a w_scan addon I believe

RE: Tvheadend fails to open second tuner... - Added by Juliet Blanch about 7 years ago

Maybe im wrong but could it be that what's happening is that tvhendead gets started before the tuners are loaded?
Is there a way to delay tvheadend start?
I did run that w scan command and tuners find channels.
Tuners work but not properly when i switch off and then turn on the pc where tvheadend is running.

RE: Tvheadend fails to open second tuner... - Added by Mark Clarkstone about 7 years ago

Juliet Blanch wrote:

Maybe im wrong but could it be that what's happening is that tvhendead gets started before the tuners are loaded?
Is there a way to delay tvheadend start?
I did run that w scan command and tuners find channels.
Tuners work but not properly when i switch off and then turn on the pc where tvheadend is running.

I'm not sure how LE works but you should be able to delay it somehow or at least disable it at boot then add a script that waits about 10 seconds or so & starts tvh.

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