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eccerr0r
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PostPosted: Thu Aug 17, 2017 3:47 pm    Post subject: MythTV upgrade woes to 0.28.1 Reply with quote

I had been running 0.27.6_p20160318-r1 and just upgraded to 0.28.1-r1 and things are completely messed up.

It first gave a warning to run mythbackend or mythtv-setup to upgrade, which it did do a bunch of stuff and apparently successfully finish.
Then later mythfrontend had a bunch of stuff done.

However now I see a bunch of issues:

1. my recording rules disappeared. System status still says they're there but browsing them through the "Manage Recordings" option show nothing and nothing seems to get recorded (but it looks like the mysql table 'record' still has everything there?

2. When deleting recordings, the listing deletes but no disk space is reclaimed...

3. Switching channels when watching livetv takes forever and once I got a timeout waiting for a video buffer?

Anyone run across these issues?
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Jaglover
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Joined: 29 May 2005
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PostPosted: Thu Aug 17, 2017 6:30 pm    Post subject: Reply with quote

It has been long time since I had to repair MythTV database, but if you dig there is a script which is supposed to fix the database. If you had database backups enabled (smart thing, I keep five) then just restore and run the backend again, it probably updates the database at first run.
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eccerr0r
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PostPosted: Thu Aug 17, 2017 7:55 pm    Post subject: Reply with quote

Hmm... I have seen corrupted databases before (mysql issues) but not sure about higher level corruption.

Another oddity I found - I can add new recording rules but they don't show up on the frontend. I typed in sql commands directly to the database backend and see that they are entered (though I might have did something bad and removed the one I added with mythfrontend directly via sql commands.)

Also the autoexpire list is not showing up in mythfrontend - however if I run

mythbackend --printexpire

this does show the list of recordings I expect it to delete (including the ones I manually selected for deletion) ...but it doesn't delete...

Not only this: mythweb is showing proper information: I see the proper recording rules...
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eccerr0r
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PostPosted: Sat Sep 02, 2017 4:16 am    Post subject: Reply with quote

HORRIBLE.

Just Horrible.

I just saw a posting by a dev on the bug reports indicating to ... not specify 127.0.0.1 as the local backend server address in mythtv-setup. And likewise don't specify 127.0.0.1 as the master backend. But I still don't understand why if it's my only backend (and frontend machine).

I changed 127.0.0.1 to my ethernet's IP address and things started working again. Go figure. There are some howtos that specify 127.0.0.1 as a valid address; and same issue as I had on distccd - I really hope that I don't need to do similar with ipv6.

I don't understand why things fixed but it seems to work now, probably better than 0.27 after some cleanup. It started purging expired files to get it back down from 100% full, and once that brought the disk under 100% liveTV started working again.

I'd welcome anyone to give an explanation why this fixed the problem, perhaps the code just doesn't like localhost?
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