[mythtvnz] New install setup - recording problem

[Paulgir]

I think I have found the problem.
>
> Working on the basis that because 12.04 still works and 16.04  
> doesn't,where,in the procedure I use to switch from one to the >other,is  
> it likely I am introducing the problem (ie A stupid mistake)
> So when I switch the system drives I have to change the storage drive  
> permissions because for some reason they do not stay the same >between  
> the two system drives.
>
> I have been using the command: sudo chown -Rv myth:myth /var/lib/mythtv  
> when it should be: chown -Rv mythtv:mythtv /var/lib/mythtv
> I have been calling up the same erroneous command from bash history in  
> 16.04.In 12.04 I didnot make the mistake in the command.
>
> I made this mistake possible by calling my mythbox "myth"
>
> D'oh!
>
> When I selected a channel to watch live from the guide, I get the  
> following message in mythbackend log:
>
> Aug 6 10:50:00 myth mythbackend: mythbackend[4101]: I TVRecEvent  
> tv_rec.cpp:1073 (HandleStateChange) TVRec[1]: Changing from None to  
> >WatchingLiveTV
> Aug 6 10:50:00 myth mythbackend: mythbackend[4101]: I TVRecEvent  
> tv_rec.cpp:3685 (TuningFrequency) TVRec[1]: TuningFrequency
> Aug 6 10:50:00 myth mythbackend: mythbackend[4101]: N CoreContext  
> autoexpire.cpp:264 (CalcParams) AutoExpire: CalcParams(): Max >required  
> Free Space: 3.0 GB w/freq: 14 min
> Aug 6 10:50:00 myth mythbackend: mythbackend[4101]: E TVRecEvent  
> threadedfilewriter.cpp:129 (Open)  
> TFW(/var/lib/mythtv/>livetv/1003_20160805225000.ts:-1): Opening file  
> '/var/lib/mythtv/livetv/1003_20160805225000.ts'.#012#011#011#011eno:  
> Permission >denied (13)
> Aug 6 10:50:00 myth mythbackend: mythbackend[4101]: E TVRecEvent  
> tv_rec.cpp:4606 (GetProgramRingBufferForLiveTV) TVRec[1]: >RingBuffer  
> '/var/lib/mythtv/livetv/1003_20160805225000.ts' not open...
> Aug 6 10:50:00 myth mythbackend: mythbackend[4101]: E TVRecEvent  
> tv_rec.cpp:4642 (CreateLiveTVRingBuffer) TVRec[1]:  
> >CreateLiveTVRingBuffer(3) failed
>

I took a few days away from this thing.
It seems I was wrong about the cause of the problem.I did make the mistake  
described above but it was not the cause of the continuing problem with  
the tuners.
To recap, I can install the Card and HDHR tuners in backend setup ,scan  
channels and populate the channel editor but I can't watch live TV or  
record.The card works ok with MeTV.
To simplify things I am only doing the internal HVR 2200 tuners.I haven't  
installed the HDHR yet.I get the following message in backend log at boot:

Aug 11 11:14:24 mythpc mythbackend: mythbackend[2549]: W CoreContext  
recorders/dvbchannel.cpp:245 (Open)  
DVBChan[1](/dev/dvb/adapter0/frontend0): Opening DVB frontend device  
failed.#012#011#011#011eno: No such file or directory (2)
Aug 11 11:14:24 mythpc mythbackend: mythbackend[2549]: E CoreContext  
recorders/dvbchannel.cpp:250 (Open)  
DVBChan[1](/dev/dvb/adapter0/frontend0): Failed to open DVB frontend  
device due to fatal error or too many attempts.
Aug 11 11:14:24 mythpc mythbackend: mythbackend[2549]: E CoreContext  
recorders/channelbase.cpp:870 (CreateChannel) ChannelBase: CreateChannel()  
Error: Failed to open device /dev/dvb/adapter0/frontend0
Aug 11 11:14:24 mythpc mythbackend: mythbackend[2549]: E CoreContext  
main_helpers.cpp:202 (setupTVs) Problem with capture cards. Card 1 failed  
init
Aug 11 11:14:24 mythpc mythbackend: mythbackend[2549]: W CoreContext  
recorders/dvbchannel.cpp:245 (Open)  
DVBChan[2](/dev/dvb/adapter0/frontend0): Opening DVB frontend device  
failed.#012#011#011#011eno: No such file or directory (2)
Aug 11 11:14:24 mythpc mythbackend: mythbackend[2549]: E CoreContext  
recorders/dvbchannel.cpp:250 (Open)  
DVBChan[2](/dev/dvb/adapter0/frontend0): Failed to open DVB frontend  
device due to fatal error or too many attempts.
Aug 11 11:14:24 mythpc mythbackend: mythbackend[2549]: E CoreContext  
recorders/channelbase.cpp:870 (CreateChannel) ChannelBase: CreateChannel()  
Error: Failed to open device /dev/dvb/adapter0/frontend0
Aug 11 11:14:24 mythpc mythbackend: mythbackend[2549]: E CoreContext  
main_helpers.cpp:202 (setupTVs) Problem with capture cards. Card 2 failed  
init
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