Tvheadend

I don't know if it's a bug or just wrong settings from my side. Try to get 12441V on Astra2 with the TBS6905 card.

Note my LNB is twisted 90 degrees so V->H and H->V...

dvblast results:

mmm@server1a:~$ sudo dvblast -m qpsk -R 25 -f 12441000 -s 29500000 -v 18 -a 1
DVBlast 2.2 (release)
warning: restarting
debug: using linux-dvb API version 5
debug: Frontend "TurboSight TBS 6905 DVBS/S2 frontend" type "QPSK (DVB-S/S2)" supports:
debug:  frequency min: 950000, max: 2150000, stepsize: 1011, tolerance: 5000
debug:  symbolrate min: 1000000, max: 67500000, tolerance: 0
debug:  capabilities:
debug:   INVERSION_AUTO
debug:   FEC_1_2
debug:   FEC_2_3
debug:   FEC_3_4
debug:   FEC_4_5
debug:   FEC_5_6
debug:   FEC_6_7
debug:   FEC_7_8
debug:   FEC_AUTO
debug:   QPSK
debug:   2G_MODULATION
debug:   FE_CAN_RECOVER
debug: frequency 12441000 is in Ku-band (higher)
debug: configuring LNB to v=18 p=0 satnum=0
debug: tuning QPSK frontend to f=12441000 srate=29500000 inversion=-1 fec=999 rolloff=25 modulation=qpsk pilot=-1
warning: failed opening CAM device /dev/dvb/adapter1/ca0 (No such file or directory)
debug: setting filter on PID 0
debug: setting filter on PID 16
debug: setting filter on PID 17
debug: setting filter on PID 18
debug: setting filter on PID 19
debug: setting filter on PID 20
error: no config file
debug: frontend has acquired signal
debug: frontend has acquired carrier
debug: frontend has acquired stable FEC
debug: frontend has acquired sync
info: frontend has acquired lock
frontend has acquired lock
debug: - Bit error rate: 0
debug: - Signal strength: 34062
debug: - SNR: 57233
debug: new PAT tsid=2038 version=0
debug:   * NIT pid=16
debug:   * program number=7400 pid=257
debug: end PAT
debug: new SDT actual tsid=2038 version=2 onid=2
debug:   * service sid=7400 running=4
debug:     - desc 48 service type=0x1f provider="SES ASTRA" service="Astra Ultra HD Demo" 
debug:     - desc 50 component stream_content=0x09 component_type=0x04 component_tag=0 language=und text=""/>
debug: end SDT
debug: new NIT actual networkid=2 version=1
debug:     - desc 40 networkname="ASTRA" 
debug:   * ts tsid=2038 onid=2
debug:     - desc 43 dvb-s2 frequency=12441000V pos=28.2E rolloff=0.25 modulation=qpsk symbolrate=29500000 fecinner=3/4
debug: end NIT
^Cinfo: Shutdown was requested.

In tvh

And scan fails

2015-10-01 23:25:51.475 subscription: 0091: "scan" subscribing to mux "12441H", weight: 6, adapter: "TurboSight TBS 6905 DVBS/S2 frontend : DVB-S #0", network: "Astra2", service: "Raw PID Subscription" 
2015-10-01 23:25:52.032 http: 192.168.0.65: HTTP/1.1 POST /api/mpegts/input/network_list -- 400
2015-10-01 23:26:01.000 mpegts: 12441H in Astra2 - scan no data, failed

Another card, TBS6904 is ok for this transponder for both dvblast and tvh.