[mythtv-users] problem after Ubuntu 7.10 -> 8.04 upgrade

Tue Apr 29 01:09:50 UTC 2008

Josh White wrote:
> 
>     >> First question: are you using MythTV from the Ubuntu repositories or
>     >> compiling from source? If you're using the Ubuntu version then
>     upgrading
>     >> from Gutsy to Hardy will have upgraded your Myth installation from
>     >> 0.20 to
>     >> 0.21.
>     >>
>     >> Have you tried playing with the Playback settings? Try setting it the
>     >> profile to Normal or Slim and see if that helps with the display.
>     >
>     >    You can also start completely from scratch by creating an entirely
>     > new profile and playing around with that. I found this to be useful.
>     > There were also some other non-profile settings that seemed to impact
>     > smoothness of playback (like using video for time base). You might
>     > need to do a little tinkering.
>     >
>     >
>     I am not an expert but I think I read that you have to upgrade your
>     backend as well.  It sounds from your post that you just  upgraded  your
>     frontend.
> 
>     Allen
> 
> 
> Thanks for all the input.  I do not have the time to describe every
> detail of my setup, so I'm sorry if my first attempt has misled people
> on the list.  I'll take another stab at it here:
> 
> 
> 
>  I have a myth system consisting of a main backend and several
> frontends.  My setup worked well, and I should have known better than to
> mess with it, but I have a general compulsion to update and upgrade
> software to the "latest and greatest" whenever possible (I'm probably
> not alone in that compulsion).  On all of my machines, regardless of the
> distro installed, I run binaries from the package manager, from the
> appropriate repositories for each disro.  On my Ubuntu 7.10 systems, I
> enabled the "Gutsy-Backports" repository, which incluldes mythtv version
> .21. 
> 
> So anyway, I had a .21 backend and 3 .21 frontends all working quite
> harmoniously.  The backend, and one frontend were running Ubuntu 7.10,
> one is running Ubuntu 8.04, and one is running Debian etch.  Since my
> one machine was running well on 8.04, and since the official release had
> come, I figured it was safe to update my 7.10 backend and 7.10
> frontend.  Without changing a single myth-specific setting, I went into
> the update manager, and clicked on "upgrade distribution to 8.04" or
> whatever it says.  Half an hour later, I had my frontend upgraded to
> 8.04, and an hour after that, I had my backend upgraded (I did the
> upgrade on the frontend first to make sure the upgrade process was still
> stable...I had previously upgraded my other frontend from 7.10 to 8.04
> without incident when the beta 5 release came out)  When all was
> finished, my backend seemed to work fine, and I had no trouble accessing
> it as I always had from two of my three frontends. 
> 
> My "main" frontend" the one that I had just upgraded from 7.10, did not
> work so well.  This machine would connect to the backend, and appear to
> be ready to work, and could display video (using the Internal player)
> but could not display recordings or live tv.  I strongly believe that my
> problem has nothing to do with the specific playback settings.  It is
> not an issue of changing my deinterlacer, or anything of that nature. 
> It seems to be a problem related to the connection via the network, or
> loading streams, or something else.  Watching the lights on the switch
> that connects my main frontend to the backend, I can see the lights
> blink like it's trying to load the video stream, while I see a black
> screen on my TV.  Then, about 20 seconds (It normally takes 3-5 seconds
> for live TV to appear on my TV after I click the button) the blinking on
> my switch stops, and I'm left with a blank screen.  I hit escape to go
> back to the menu, and nothing happens.  At this point, my choices are
> hit "CTRL+ALT+Backspace" to restart x (and mythfrontend.real) or to hit
> "CTRL+ALT+F1" to go in and kill it manually.  Otherwise, it sits there
> for displaying a black screen with no other noticable activity.  I
> messed with everything I could think of, and ultimately decided there
> must have been a problem with the upgrade, so I reinstalled the packages
> through synaptic.  Once I was finished with this, nothing changed.  So I
> figured there must have been a problem with somethign else, and decided
> it would be quickest to just download a fresh copy of mythbuntu 8.04,
> and do a fresh install on the frontend.  So I go through all these
> steps, and when I was finished, the performance was exactly the same.  I
> could watch video, but nothing that originated from my tuners.  So, I
> decided I needed a quick fix, so I poped in my mythbuntu 7.10 disc,
> re-reinstalled, and updated (to get back to the configurarion I had
> before I started with any of this) and it worked fine. 
> 
> Others seem to have similar problmes, so please feel free to offer
> suggestions for that reason, but my spefic problem has been solved (or
> at least worked around). 
> 
> Thanks again,
> 
> Josh
> 
> 
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Hi Josh,

From the sounds of it, you probably have some messed up settings in your SQL
table for the hostname.  Did you choose the same hostname after reinstallation?

-- 
Mario Limonciello
mario.mailing at gmail.com

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