[mythtv-users] HVR4000 woes
liam.friel at gmail.com
Sun Aug 29 21:39:41 UTC 2010
I have updated backend and frontend to the release-0-23-fixes branch and now
things are much better.
DVB-T and DVB-S zapping working fine and stable, using the HVR4000 card.
So now my Ubuntu 9.10 + myth 0-23-fixes is working for me for HVR4000 +
I have one problem to look into: HD services (BBC HD and ITV1 HD) don't play
nicely, giving me stuttering playback and lots of "NVP: prebuffering
pauses", although my backend system is 91% idle and the frontend is 75%
idle. So I need to dig into that a bit next.
But updating to release-0-23-fixes cured the stability issue.
On Fri, Aug 27, 2010 at 9:49 AM, Liam Friel <liam.friel at gmail.com> wrote:
> Some experiments for what it's worth:
> - changing order of cards to that DVB-S and DVB-T for live are both on
> HVR4000: same backend crash on DVB-T -> DVB-S zap
> - TT-3200 drivers loaded but no adapter added into myth so myth doesn't see
> TT-3200: same backend crash on DVB-T -> DVB-S zap
> - TT-3200 drivers not loaded so no adapter exists at all for TT-3200: same
> backend crash on DVB-T -> DVB-S zap
> So this isn't an issue of a mix of different card types. Tuning away from
> DVB-T on HVR4000 to DVB-S on any card kills my backend.
> I have tried three different HVR4000 firmware revisions : all the same.
> Next to try is moving to myth 0.23.1 ... I built it last night but ran out
> of time to test it: it will be a few days before I get back to that.
> On Thu, Aug 26, 2010 at 3:08 PM, Mike Perkins <
> mikep at randomtraveller.org.uk> wrote:
>> Liam Friel wrote:
>>> ... Or I could just temporarily nuke that card out of myth ... which
>>> presumably do more or less the same thing ...
>>> Er, nope. The drivers get loaded at boot time. Taking it out of myth
>> would be too late - depending on exactly when and how the potential
>> corruption occurs.
>> Mike Perkins
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
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