[mythtv-users] Lose TV tuners after PC reboot

[Bill Meek]

On 04/24/2018 11:43 AM, Mike Bibbings wrote:
> On 24/04/18 16:52, Curtis Gedak wrote:
>> Hi Justin,
>>
>> I believe that Stephen's suggestion is correct.  That is that the MythTV
>> backend is starting up before either the TCP/IP network or the network
>> tuner (HDHomeRun) is up and running.
>>
>> I encountered this issue on a PVR I build for a family member.  While I
>> was unable to get a 100% reliable solution I did find that delaying the
>> startup of the MythTV backend improved the situation immensely.
>>
>> If you are curious about the things I tried, I wrote an article on it.
>> Please note that the article was on Mythbuntu 14.04 with MythTV 0.27, so
>> the exact steps would not apply for your Mythbuntu 16.04 installation.
>>
>> How to Fix HDHomeRun Connect Not Starting MythTV Recordings or Live TV
>> http://gedakc.users.sourceforge.net/display-doc.php?name=pvr-hdhomerun-not-recording
>>
>> Regards,
>> Curtis
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> 
> This is what I use on systems using systemd (*ubuntu 16.04, 18.04, Debian Stretch)
> 
> # setup mythtv-backend.service startup delay
> In a terminal on the machine running mythtv backend:
> 
> sudo systemctl edit mythtv-backend.service # and add the following three lines
> 
> # Delay mythbackend startup to allow network and tuners to fully stabilise
> [Service]
> ExecStartPre=/bin/sleep 20
> 
> 
> Then exit from the edit screen (it uses nano by default, so Ctrl+x, then
> y, then Return key) then  reboot the machine
> 
> Mike

The sleep works A-OK. Another HDHR network solution is here:

     https://forum.mythtv.org/viewtopic.php?f=29&t=1467&p=7138#p7138

which is harder to do. Truth be told, when I check the log file
created by the new service, the delay is usually around 17 seconds.

-- 
Bill