Tvheadend

I seem to have the same problem that is described in this post: https://tvheadend.org/boards/4/topics/19096, but there is no solution there yet.

@Jesper - what tuner? HDHR? If so, it's a black art... you may need to pop onto #hts and see who's there to seek help. If it's a regular tuner, post some screenshots and we'll take it from there...

Bus 001 Device 011: ID 0b05:173f ASUSTek Computer, Inc. My Cinema U3100 Mini

You need to add some muxes - you could try the predefined list when you added the network, or you need to look up something based on your local transmitter and add that. Once that's there as a "seed", autodiscovery should find the others.

DiBCom 7000s are well supported in the kernel - I don't know if they even need firmware - so there's no immediate reason why it wouldn't work, unless there's some other chippery in this model that your system doesn't support.

What does dmesg say?

EDIT

Forget that bit - "it was working perfectly on 3.4", so clearly your system supports it. It's a config issue, then.

Thanks for the quick answer. I've tried to add some muxes manually (using the frequencies I found at http://www.satbroadcasts.com/DVB-T_transmitters_in_Belgium.html) but no matter which one I try, I get a Scan Result: FAIL (see screenshot).

Here's my dmesg output, if it is still relevant:

[526241.677135] usb 1-3: new high-speed USB device number 11 using ehci-pci
[526241.807885] usb 1-3: New USB device found, idVendor=0b05, idProduct=173f
[526241.807890] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[526241.807892] usb 1-3: Product: ASUS DVBT Tuner
[526241.807894] usb 1-3: Manufacturer: ASUSTeK
[526241.807895] usb 1-3: SerialNumber: 8900000389
[526241.808256] dvb-usb: found a 'ASUS My Cinema U3100 Mini DVBT Tuner' in cold state, will try to load a firmware
[526241.870968] dvb-usb: downloading firmware from file 'dvb-usb-dib0700-1.20.fw'
[526242.098806] dib0700: firmware started successfully.
[526242.600289] dvb-usb: found a 'ASUS My Cinema U3100 Mini DVBT Tuner' in warm state.
[526242.600384] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[526242.600522] DVB: registering new adapter (ASUS My Cinema U3100 Mini DVBT Tuner)
[526242.820477] usb 1-3: DVB: registering adapter 0 frontend 0 (DiBcom 7000PC)...
[526243.031797] DiB0070: successfully identified
[526243.031816] Registered IR keymap rc-dib0700-rc5
[526243.032014] input: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:02.1/usb1/1-3/rc/rc0/input15
[526243.032095] rc0: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:02.1/usb1/1-3/rc/rc0
[526243.032290] dvb-usb: schedule remote query interval to 50 msecs.
[526243.032298] dvb-usb: ASUS My Cinema U3100 Mini DVBT Tuner successfully initialized and connected.
[526243.123941] usb 1-3: DVB: adapter 0 frontend 0 frequency 0 out of range (45000000..860000000)
[528256.737122] usb 1-3: DVB: adapter 0 frontend 0 frequency 0 out of range (45000000..860000000)

Oh, and here are the mux settings.

"Auto" works well for some things, less well for others - the more specific you can be, the better chance of success.

If we take the one in the Gent Belgacom building, for example: http://www.satbroadcasts.com/DVB-T_transmitter_ch_22_Gent_(Belgacom_Gebouw)_in_Belgium.html

Channel width = 8MHz
Modulation = 64 QAM
FEC = 2/3
Guard Interval = 1/4

Try adding at least the channel width (so the tuner knows how far apart the frequencies are) and maybe the modulation.

Jesper Cockx wrote:

Oh, and here are the mux settings.

The dibcom driver require more frequency information.

I have three and AUTO for everything never works) you must set the Bandwidth, Transmission mode and Constellation.

I entered the manual mux settings I found on satbroadcasts.com and now everything is working again! Thank you very much for your help.