[mythtv-users] V30 frontend on Raspberry PI3 B+

James Abernathy jfabernathy at gmail.com
Tue Jan 29 22:26:38 UTC 2019

On 1/29/19 4:51 PM, Tim Draper wrote:
> ---- On Tue, 29 Jan 2019 01:12:09 +0000 *James Abernathy 
> <jfabernathy at gmail.com>* wrote ----
>     Since I now have my production system on V30 I thought I'd test
>     the v30
>     mythfrontend on my RP3 B+.
>     I used the standard Wiki instructions for mythtv-light on the RP3. I
>     know it's subjective, but I think the playback of OTA MPEG2
>     recordings
>     is a little smoother than it was on v29.1 It's still not as smooth as
>     the Shield TV version of v30 Mythtv-frontend, but it's close. When
>     I'm
>     not in test engineer mode, I could watch it with no issues.
>     However, I did manage to do something that I've not done is years, I
>     locked up the backend  using the frontend.  I clicked on Watch TV and
>     the frontend never started playing any video.  After a couple of
>     minutes
>     I Ctrl-Alt-F1 and logged in to reboot.  But before I messed with
>     the RP3
>     again I went to the Shield TV and it could not connect with the
>     backend
>     either.  So I ssh'ed into the backend and looked at the log. Nothing
>     unusual after the video started and nothing until I ran "systemctl
>     restart mythtv-backend".
>     Everything recovered nicely, but no record of why the backend locked
>     up.  When I use the systemctl restart it took about 5 minutes
>     before it
>     completed. I don't know for sure because I had to leave the room. Not
>     sure of the version that locked up, but I had updated all mythtv
>     software yesterday.  While I had the backend down, I updated again
>     today
>     with a new verision.
>     (30.0+fixes-autobuild.201901261750.f11c5ab~ubuntu18.04.1). The RP3
>     version is mythtv-light/stretch,now 30.0-3-g44fee4bc8a-0 armhf
>     Jim A
> i too upgraded my system to 30 today. while i do have rpi3 FE's, it 
> wasnt the reason mine crashed.
> git'd both the BE and primary FE this morning since centos repo's 
> haven't got 30 yet. All seemed to be working fine when I tested in the 
> afternoon but then the other half got her fingers on the remote about 
> 8pm and saw a segfault in mythBE after she clicked into liveTV & then 
> guide. nothing that looks useful to bug yet, but i'll keep an eye on 
> it&git commits. See if i can get time tomorrow to figure out which 
> verbose options i need to start the BE with for more info.
I have not been successful with LiveTV on Mythtv.  It works most of the 
time, but you will have issues at some point. Since 99% of my use of 
Mythtv is watching previously recorded programs and that works almost 
flawlessly. I've looked for other Live TV solutions.

My main TV has a PC, RP3, and a Nvidia ShieldTV all connected to it. I 
experiment with the PC and RP3. On the Shield I can run Mythtv Frontend, 
and  Kodi for recorded TV, and for LiveTV I can run ProgTV or HDHR view. 
I've been more successful with setting up a program that I want to watch 
live as a Recording and just watch 10 secs behind real time. I find that 
more reliable than Live TV.

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