[mythtv-users] 0.25 tuner issues and repository questions

Monkey Pet monkeypet at gmail.com
Thu Jul 12 20:44:10 UTC 2012

On Thu, Jul 12, 2012 at 10:50 AM, Neil Cooper <neilcoo at yahoo.co.uk> wrote:

> Hi all,
> Since upgrading (reformat + reinstall) to mythbuntu 12.04  (mythtv 0.25)
> I've had multiple different erratic problems with my tuner card (Hauppage
> WinTV HVR-2250).
> I have the same backend configuration (using default timings as usual,
> made sure I had the right input groups set up etc) as I had under 0.24
> which used to work mostly OK but even under 0.24 it's never been perfect.
> Even with 0.24 there seemed to be a long-standing bug around occasional
> failures when changing channels and/or inputs that led to occasional
> recordings that were just a blue screen. 0.25 is much less stable.
> I have Cox cable which is (still) a mix of analog and digital channels.
> Changing digital channels in live tv under 0.25 often fails and crashes
> back to the main menu.
> I cant change analog channels at all, that alwyas leads to a crash back to
> the main menu, after which its about an even chance that selecting the live
> TV menu item shows live TV, crashes back to the main menu, or pops up a
> dialog saying "Irrecoverable recorder error", then another saying "frontend
> cant connect to the backend".
> Quiting/relaunching the frontend seems the only way to fix it one the
> tuner has apparently locked up, which is strange, as it would indicate the
> error is actually stateful bug only in the frontend.
> I've made sure I've updated everything to latest but with no positive
> effect. I have the MythTV updates repository added (via mythbuntu control
> centre). This post:
> http://www.mythtv.org/pipermail/mythtv-users/2012-June/336014.html
> says a lot of bugs got fixed around live TV in -fixes. What is -fixes? Is
> that what I'm already picking up by including the MythTV updates repository
> or do I need to add another repository? (or even checkout and build my own
> binaries... yuk). If so, which?

If you want any chance of success on myth 0.25, you need to run the 0.25.1
+ 0.25/fixes.  My setup with HD Homerun didn't have a chance with 0.25 as
the mythfrontend would hang and crash often.  However, once I moved
backend/frontend to 0.25.1 + 0.25/fixes things seem usable, but I would get
the occasional crash during liveTV streaming to a remote mythfrontend.
 Also I have a crontab that watches to see if my backend is dead and
restarts it.

Hoping that the 0.26 is more stable.

I think mythfrontend --version will give you the info you need to determine
what you are running.  Or you query the deb/rpm package information.

> The two firmware files I've installed for my HVR-2250 card are:
> NXP7164-2010-03-10.1.fw (analog side)
> v4l-saa7164-1.0.3-3.fw (digital side)
> Can anyone else using an HVR-2250 confirm these are the right ones, as
> there seems to be quite a lot of other files and contradictory information
> around the net without anything to indicate which is actually the
> latest/correct/best.
> Any other hints would be most welcome too.
> Thanks guys,
> Neil Cooper.
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