[mythtv-users] HDHR3 recording fails, "wrong PMT"?

[Hika van den Hoven]

Hoi Eric,

Monday, December 1, 2014, 5:43:32 AM, you wrote:

> I had a recording fail recently on my HDHR (non-prime) on Verizon
> Fios.  It seemed that Verizon had moved some of the channels around
> since I'd last done a scan, so I did a new scan and used prime2qam.py
> to update the channel table, but when I tune to any HD channel using
> MythTV's LiveTV, it goes black and then the frontend eventually exits.
> The backend log reports a Wrong PMT error.  If I attempt to view the
> same channel using hdhomerun_config_gui, it pops up VLC and the
> channel displays just fine (actually, now that I'm retesting it, it's
> a little bit glitchy, as if the signal strength was weak, but it
> looked pristine earlier in the day), so this seems to be a MythTV
> specific problem.  The channel and program number shown in the
> hdhomerun_config_gui match the freqid and serviceid in the channel
> table for this channel.

> Anyone have a clue what's causing the "Wrong PMT" message?

> I'm running firmware version 20130328 on the HDHR and MythTV
> 0.27.0+fixes20140211-dmo1 from deb-multimedia.org.

> More from the backend log:

> Nov 30 22:04:41 mythtered mythlogserver: mythbackend[5809]: I
> TVRecEvent tv_rec.cpp:3602 (TuningCheckForHWChange) TVRec[1]: HW
Tuner: 1->>1
> Nov 30 22:04:41 mythtered mythlogserver: mythbackend[5809]: N
> CoreContext autoexpire.cpp:264 (CalcParams) AutoExpire: CalcParams():
> Max required Free Space: 42.0 GB w/freq: 7 min
> Nov 30 22:04:41 mythtered mythlogserver: mythbackend[5809]: I
> ProcessRequest ringbuffer.cpp:1098 (WaitForAvail)
> RingBuf(/u/ext2t2/mythtv-default/3650_20141201030428.mpg): Waited 0.2
> seconds for data
>                         to become available... 32184 < 98304
> Nov 30 22:04:42 mythtered mythlogserver: mythbackend[5809]: I
> ProcessRequest ringbuffer.cpp:1098 (WaitForAvail)
> RingBuf(/u/ext2t2/mythtv-default/3650_20141201030428.mpg): Waited 0.5
> seconds for data
>                         to become available... 32184 < 98304
> Nov 30 22:04:42 mythtered mythlogserver: mythbackend[5809]: I
> ProcessRequest ringbuffer.cpp:1098 (WaitForAvail)
> RingBuf(/u/ext2t2/mythtv-default/3650_20141201030428.mpg): Waited 1.0
> seconds for data
>                         to become available... 32184 < 98304
> Nov 30 22:04:42 mythtered mythlogserver: mythbackend[5809]: E
> HDHRStreamHandler recorders/dtvsignalmonitor.cpp:360 (HandlePMT)
> DTVSigMon[1](1031CDD8-0): Wrong PMT; pmt->pn(3790) desired(3754)
> Nov 30 22:04:42 mythtered mythlogserver: mythbackend[5809]: E
> HDHRStreamHandler recorders/dtvsignalmonitor.cpp:360 (HandlePMT)
> DTVSigMon[1](1031CDD8-0): Wrong PMT; pmt->pn(3752) desired(3754)
> Nov 30 22:04:42 mythtered mythlogserver: mythbackend[5809]: E
> HDHRStreamHandler recorders/dtvsignalmonitor.cpp:360 (HandlePMT)
> DTVSigMon[1](1031CDD8-0): Wrong PMT; pmt->pn(3760) desired(3754)
> Nov 30 22:04:42 mythtered mythlogserver: mythbackend[5809]: E
> HDHRStreamHandler recorders/dtvsignalmonitor.cpp:360 (HandlePMT)
> DTVSigMon[1](1031CDD8-0): Wrong PMT; pmt->pn(3765) desired(3754)
> Nov 30 22:04:42 mythtered mythlogserver: mythbackend[5809]: N
> CoreContext autoexpire.cpp:264 (CalcParams) AutoExpire: CalcParams():
> Max required Free Space: 42.0 GB w/freq: 7 min
> Nov 30 22:04:43 mythtered mythlogserver: mythbackend[5809]: I
> ProcessRequest ringbuffer.cpp:1098 (WaitForAvail)
> RingBuf(/u/ext2t2/mythtv-default/3650_20141201030428.mpg): Waited 2.0
> seconds for data
>                         to become available... 32184 < 98304
> Nov 30 22:04:44 mythtered mythlogserver: mythbackend[5809]: I
> ProcessRequest mainserver.cpp:1420 (HandleAnnounce) MainServer::ANN
> Playback
> Nov 30 22:04:44 mythtered mythlogserver: mythbackend[5809]: I
> ProcessRequest mainserver.cpp:1422 (HandleAnnounce) adding: eddie as a
> client (events: 0)
> Nov 30 22:04:44 mythtered mythlogserver: mythbackend[5809]: I
> ProcessRequest mainserver.cpp:1538 (HandleAnnounce)
> MainServer::HandleAnnounce FileTransfer
> Nov 30 22:04:44 mythtered mythlogserver: mythbackend[5809]: I
> ProcessRequest mainserver.cpp:1540 (HandleAnnounce) adding: eddie as a
> remote file transfer
> Nov 30 22:04:54 mythtered mythlogserver: mythbackend[5809]: E
> ProcessRequest fileringbuffer.cpp:298 (OpenFile)
> FileRingBuf(/u/ext2t2/mythtv-default/3504_20141201030442.mpg):
> OpenFile(): File too small (0B).
> Nov 30 22:04:55 mythtered mythlogserver: mythbackend[5809]: W
> ProcessRequest ringbuffer.cpp:1035 (WaitForReadsAllowed)
> RingBuf(/u/ext2t2/mythtv-default/3504_20141201030442.mpg): Taking too
> long to be allowed to read..
> Nov 30 22:04:55 mythtered mythlogserver: mythbackend[5809]: W
> ProcessRequest ringbuffer.cpp:1035 (WaitForReadsAllowed)
> RingBuf(/u/ext2t2/mythtv-default/3504_20141201030442.mpg): Taking too
> long to be allowed to read..

> Thanks,

> Eric
> _______________________________________________

If I google "Wrong PMT" I get among others this:
https://code.mythtv.org/trac/ticket/9976 from three years ago.
You need to delete all transports and all channels and perform a full
rescan. The delete all transports is vital.....

Tot mails,
  Hika                            mailto:hikavdh at gmail.com

"Zonder hoop kun je niet leven
Zonder leven is er geen hoop
Het eeuwige dilemma
Zeker als je hoop moet vernietigen om te kunnen overleven!"

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