[mythtv-users] problem after Ubuntu 7.10 -> 8.04 upgrade
Mario Limonciello
mario.mailing at gmail.com
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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>
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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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