English > {Single, Dual, Quad} Sundtek SkyTV Ultimate

dual tuner reset/flush

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tomasl:
Hi,
I'm running TVHeadend inside Docker container. Dual plus SkyTV 6. everything is working fine.
I learned that sometimes the tuners disappear for some reason from TVHeadend and then I need to recreate the container and reinstall the sundtek drivers inside.

I plan to automate this somehow (I'm not sure how yet, haven't had time to think about it and test, perhaps Docker Compose which would recreate the container once a day).
but, sometimes it happens, that this doesn't help. then only unplugging and plugging tuner back in to the linux box helps. I assume some buffer is filled or somewhere something is stuck.
I haven't yet tried, when it happened, with mediaclient -e if the tuners can be detected, but I'd like to ask if there is some command to avoid re-plugging the tuner. is there a way to perform this re-plugging with some tuner cache flush command (how I imagine it)?

Sundtek:
Hi,

check dmesg there should be some indicator if there are problems - and please be sure that your system has enough power.

3 Tuner = at least 750mA @ 5v = 3.75W

tomasl:
next time it happens I'll try dmesg. thanks for hint.

and I have both tuners plugged to AC mains with the provided adapter as well.
so they are not only powered from USB port, does it still matter what's the system's input power source rating?

I have Odroid HC4 with 4A AC, laptop like, adapter. so I guess it should be enough, even it's running two 3.5" HDDs.

Sundtek:
The AC adapter is mainly for the LNB, however it would be possible to connect a voltage regulator between the 12V power supply and the tuner to get 5V from the AC adapter. If you need that we can also provide that.

tomasl:
Hi, it happened again. attached is the dmesg output.
this time I only stopped the container, replugged the dual tuner and started the container. it fixed the problem.
the tuners are connected to HC4 via powered USB hub. when this happens, the old skytv 6 is ok, but the dual tuner disappears from TVHeadend.

and I'm interested in the voltage regulator, could you tell me more?

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