[mythtv-users] Error: All encoder VBI stream buffers are full. Dropping data.

[Craig Courtney]

I had this problem a while back and solved it by adding the following to my
modeprobe.conf file (CentOS 5 so adjust to the right file for other
distros).

options ivtv enc_mpg_buffers=16 enc_vbi_buffers=8

I also saw recommendations in the past that this might be caused by low pci
latency set for the hard drive controller in relation to the capture card.
In my case tweaking the pci latency did not fix it.

Craig


On 10/15/07, Ma Begaj <derliebegott at gmail.com> wrote:
>
> Hi,
>
> I have 1x PVR150 and 1x PVR500.  Mythbox has 2 IDE WD hard disks,
> Athlon X2 AM2 3800+ EE SFF, 1 GB single channel RAM.
>
> I pretty often see this message, usually a few lines a day although
> the mythbox is doing nothing else (recording one show, no watching or
> anything else). This error appears just for a 2-3 seconds in the
> syslog:
>
> Oct 15 10:50:07 mythbox kernel: ivtv1: Cause: the application is not
> reading fast enough.
> Oct 15 10:50:07 mythbox kernel: ivtv1: All encoder VBI stream buffers
> are full. Dropping data.
> Oct 15 10:50:07 mythbox kernel: ivtv1: Cause: the application is not
> reading fast enough.
> Oct 15 10:50:08 mythbox kernel: ivtv1: All encoder VBI stream buffers
> are full. Dropping data.
>
>
> I saw some discussions on IVTV lists and this problem is according to
> the list an application (MythTv) problem and this is fixed according
> to this ticket: http://svn.mythtv.org/trac/ticket/1660
>
> Is this in the current SVN? I am using ~10 days weeks old SVN MythTv
> version. It is probably.
>
> Does anyone know how to prevent these errors? Hard disks have
> activated AAM (Acoustic Management) which is maybe causing them to be
> not as fast as usual, but this should not affect recording one show.
>
> Thanks.
>
> M.
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