[mythtv-users] HD3000 DVB Recordings - Freezes on Playback

Michael Haan michael.haan at gmail.com
Fri Jan 20 15:33:13 UTC 2006


On 1/20/06, Neil Spring <nspring at cs.umd.edu> wrote:
>
> On Jan 20, 2006, at 2:51 AM, frank s wrote:
> > Hello, I am a newbie to mythtv and have a setup that
> > is working fairly well, but is having a problem with
> > freezes under certain conditions.
>
> Yup.  I get freezes too, where mythfrontend leaks memory until it
> dies.  I've started to try to record significantly more HD than I
> want to watch just to debug.  Differences in my setup are:
>
> > - HD3000 connected to us-cable (digital)
>
> I'm terrestrial.  I know it's all very sensitive to antenna placement...
>
> > - Dell 4700 w/Pentium 4 Processor 530 with HT
> > Technology (3.00GHz, 800 FSB)
>
> I'm amd64, and up to now thought it was a 64-bit issue.
>
> > - 512 MB RAM
> > - 160 GB EIDE SATA Hard Drive (7200 RPM)
> > - Hauppauge PVR 1081 RT connected to us-cable (analog)
>
> I've 1G, a bigger (single) disk, and a not yet setup PVR-500 too.
>
> > - Fedora Core 4
>
> Debian.  2.6.15 kernel.
>
> > - MythTV 0.18.1
>
> I tried 0.18.2 as well, I think with no luck, am about to try svn
> trunk once I get it to build...  not that I have high expectations.
>
> > - frontend and backend are both on this box
>
> Yup.
>
> > - a particular recording will always freeze at the
> > same point on multiple playback attempts
>
> absolutely.
>
> > - skipping past the freeze point does not cause a
> > freeze, but audio is lost even though the video is
> > good
>
> absolutely.
>
> Switching filesystems did not appear to help (ext3 -> XFS);
> upgrading to 0.18.2 did not appear to help.  As far as I'm concerned,
> it's a bug in the decoder if there's an input stream that causes it
> to leak all memory and die, regardless of whether that input stream
> is corrupt, but the lack of audio after skipping suggests to me that
> it's not just the decoder.
>
> Anyway, you and Michael aren't alone.
>
> -neil
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>

While we're at it, I'm amd64 on FC4.
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