[mythtv-users] HD Homerun errors

Kelly Reed Schuerman krschuerman at gmail.com
Tue Dec 8 16:57:02 UTC 2009


I updated the firmware on my HDHR on Saturday and noticed significant
stuttering while watching live TV on Sunday evening which wasn't there
previously.  I will have to try a different firmware.

Sherm



On Tue, Dec 8, 2009 at 10:21 AM, Dave Richardson <mythtv at derdev.com> wrote:
>>> I have been running my mythtv setup for 18 months now with no problem,
>>> but
>>> suddenly I am getting video errors.  I am running a dedicated Ubuntu
>>> Hardy
>>> Heron backend, with Ubuntu frontends.  Until this last saturday I have
>>> never
>>> had a  problem, but suddenly the video and audio are corrupted, and when
>>> it
>>> plays, I get a stream of errors like
>>>
>>> 2009-12-07 22:48:52.443 [ac3 @ 0x7f875b82ce70]frame CRC mismatch
>>> 2009-12-07 22:48:52.481 [mpeg2video @ 0x7f875b82ce70]Warning MVs not
>>> available
>>> 2009-12-07 22:48:52.490 [mpeg2video @ 0x7f875b82ce70]ac-tex damaged at
>>> 25
>>> 25
>>> 2009-12-07 22:48:52.491 [mpeg2video @ 0x7f875b82ce70]ac-tex damaged at
>>> 28
>>> 42
>>> 2009-12-07 22:48:52.513 [mpeg2video @ 0x7f875b82ce70]mb incr damaged
>>> 2009-12-07 22:48:52.514 [mpeg2video @ 0x7f875b82ce70]ac-tex damaged at
>>> 32
>>> 9
>>> 2009-12-07 22:48:52.515 [mpeg2video @ 0x7f875b82ce70]ac-tex damaged at
>>> 54
>>> 24
>>> 2009-12-07 22:48:52.516 [mpeg2video @ 0x7f875b82ce70]ac-tex damaged at
>>> 33
>>> 41
>>> 2009-12-07 22:48:52.516 [mpeg2video @ 0x7f875b82ce70]Warning MVs not
>>> available
>>> 2009-12-07 22:48:52.526 [mpeg2video @ 0x7f875b82ce70]ac-tex damaged at
>>> 75
>>> 28
>>> 2009-12-07 22:48:52.535 [mpeg2video @ 0x7f875b82ce70]invalid mb type in
>>> I
>>> Frame at 65 9
>>> 2009-12-07 22:48:52.535 [mpeg2video @ 0x7f875b82ce70]ac-tex damaged at
>>> 41
>>> 11
>>> 2009-12-07 22:48:52.536 [mpeg2video @ 0x7f875b82ce70]skipped MB in I
>>> frame
>>> at 69 15
>>> 2009-12-07 22:48:52.536 [mpeg2video @ 0x7f875b82ce70]ac-tex damaged at
>>> 65
>>> 17
>>> 2009-12-07 22:48:52.536 [mpeg2video @ 0x7f875b82ce70]skipped MB in I
>>> frame
>>> at 43 24
>>> 2009-12-07 22:48:52.537 [mpeg2video @ 0x7f875b82ce70]skipped MB in I
>>> frame
>>> at 25 26
>>>
>>> from mythfrontend when playing live TV or recordings made after
>>> Saturday,
>>> though everything works fine for recordings made before.  I run a mac
>>> client
>>> that sets up a direct stream to VLC, and the tuner is fine.  Any ideas
>>> on
>>> how to troubleshoot this weird problem?
>>>
>>> Matt Asplund
>>
>> I'm assuming the HDHR is hooked up to a switch or something, and not
>> direct to the backend? (Since you can use a seperate Mac client)  Has
>> anything happened to the network card on the backend?  Hows its
>> throughput?  I had tons of these sorts of errors when using the built-in
>> ethernet card on my Asus M2N... though, they were always there, and didn't
>> start suddenly like yours.
>>
>>
>> ________
>
> I'm running Mythbuntu 9.1 (Karmic) and had flashed my HDHR to firmware
> 20091111beta1 from firmware that was from around 20090414...  it went ugly
> with stuttering HD video and audio...  I backed the firmware to 20091025
> (or whatever October firmware date they publish) and the HDHR is fine.
>
> You didn't mention firmware, but it's a consideration.
>
>
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