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

Ma Begaj derliebegott at gmail.com
Wed Oct 17 14:30:46 UTC 2007


> options ivtv enc_mpg_buffers=16 enc_vbi_buffers=8

it helped a lot. thanks. no more errors in the logs.

M.


2007/10/15, Craig Courtney <craig at dawnsedge.com>:
> 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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> > mythtv-users at mythtv.org
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> >
>
>
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