[mythtv-commits] Ticket #13434: ATSC DVB tuner fails to initialize

[MythTV]

#13434: ATSC DVB tuner fails to initialize
--------------------------------------+---------------------------
     Reporter:  jpoet                 |      Owner:  Klaas de Waal
         Type:  Bug Report - General  |     Status:  assigned
     Priority:  minor                 |  Milestone:  needs_triage
    Component:  MythTV - DVB          |    Version:  Master Head
     Severity:  medium                |   Keywords:
Ticket locked:  0                     |
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 As of [d81335eec] mythbackend fails to initialize ATSC DVB tuner with ID:

 LGDT3306A VSB/QAM Frontend

 When starting mythbackend With [4a2be05d2] I see:
 {{{
 2019-03-24 18:07:07.939094 I [19814/19814] CoreContext
 recorders/dvbchannel.cpp:446 (CheckOptions) -
 DVBChan[1](/dev/dvb/adapter0/frontend0): 545000000 8vsb a auto auto a a
 auto a v fec: auto msys: UNDEFINED rolloff: 0.35
 2019-03-24 18:07:07.939267 I [19814/19814] CoreContext
 recorders/dvbchannel.cpp:742 (Tune) -
 DVBChan[1](/dev/dvb/adapter0/frontend0):
 Old Params: 0 auto a auto auto a a auto a v fec: auto msys: UNDEFINED
 rolloff: 0.35
 New Params: 545000000 8vsb a auto auto a a auto a v fec: auto msys:
 UNDEFINED rolloff: 0.35
 2019-03-24 18:07:07.939273 I [19814/19814] CoreContext
 recorders/dvbchannel.cpp:754 (Tune) -
 DVBChan[1](/dev/dvb/adapter0/frontend0): Tune(): Tuning to 545000000Hz
 2019-03-24 18:07:08.541472 I [19814/19814] CoreContext
 recorders/dvbchannel.cpp:1526 (wait_for_backend) - DVBChan:
 wait_for_backend: Status: Signal,Carrier,FEC Stable,Sync,Lock,
 2019-03-24 18:07:08.541481 I [19814/19814] CoreContext
 recorders/dvbchannel.cpp:896 (Tune) -
 DVBChan[1](/dev/dvb/adapter0/frontend0): Tune(): Frequency tuning
 successful.
 }}}

 With [d81335ee] I get:
 {{{
 2019-03-24 18:06:55.109481 E [16172/16172] CoreContext
 dtvmultiplex.cpp:352 (ParseTuningParams) - DTVMux: ParseTuningParams --
 Unknown tuner type = 0xffffffff80000000
 2019-03-24 18:06:55.109493 E [16172/16172] CoreContext
 recorders/dtvchannel.cpp:281 (SetChannelByString) -
 DTVChan[1](/dev/dvb/adapter0/frontend0): SetChannelByString(2_1): Failed
 to initialize multiplex options
 2019-03-24 18:06:55.109496 I [16172/16172] CoreContext
 recorders/dtvchannel.cpp:311 (SetChannelByString) -
 DTVChan[1](/dev/dvb/adapter0/frontend0): SetChannelByString(2_1): failure
 }}}

 Let me know if you need more information.

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Ticket URL: <https://code.mythtv.org/trac/ticket/13434>
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