Long-time MythTV user here (since 2006!), it's a fabulous piece of software. I've run into a snag after upgrading my headless backend and two frontends and am hoping someone can help (I suspect/hope it's something simple).
I was running MythTV 0.29 on Ubuntu 16.04. Today, I upgraded all three machines to Ubuntu 20.04 (via 18.04), then upgraded to MythTV 31.0-fixes using the ppa:mythbuntu/31 repository. The backend seems to be working fine, the log files shows it was able to upgrade the database from schema 1348 to schema 1361, no other signs of trouble.
The frontend, on the other hand, can't start mythfrontend.real. Last lines in the log file are:
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Jun 18 14:40:56 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
Jun 18 14:41:04 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
Jun 18 14:41:05 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
Jun 18 14:41:06 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
Jun 18 14:41:15 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
Jun 18 14:41:16 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
Jun 18 14:41:17 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
Jun 18 14:41:19 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
Jun 18 14:41:24 eoffice mythfrontend.real: mythfrontend[1487]: I CoreContext dbcheck.cpp:495 (UpgradeTVDatabaseSchema) Waiting for database schema upgrade lock
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mysql --user=mythtv --password=redacted--host=192.168.1.xxx mythconverg
How do I force a database upgrade on a standalone frontend?