[vdr] Re: AV-Sync lost ???

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Axel Gruber wrote:
> 
> Hello List
> 
> Iīm totaly frustrated my VDR works now since nearly 1 year realy perfekt.
> 
> -PIII800
> - 4 DVB-S Cardīs
> 6* 80GB Maxtor Harddrive
> 
> But since 1 Week i often have SYNC-Lost between Audio and video in my Recordings.
> For Example Yesterday Recording of MASH - sync lost after 40 Minutes....
> I thought that this could happen because of CPU overflow (2 or more Recordings and a Playback)
> 
> But this morning i have searched the log again and i found a recording stared at 6.30 am
> with the same Problem. (no playback or other recording at the same time)
> 
> I donīt have any idea why this happen now...
> 
> Here is a part of the Log from today:
> 
> Jan 18 07:49:40 tvserver vdr[18677]: recording to '/video0/Ich_beide_ampersandonlyencodedforie_sie/2002-01-18.06:30.99.99.rec/003.vdr'

Hey, thats funny: "ampersandonlyencodedforie" - ROTFL

> Jan 18 07:49:40 tvserver vdr[18677]: creating directory /video4/Ich_beide_ampersandonlyencodedforie_sie
> Jan 18 07:49:40 tvserver vdr[18677]: creating directory /video4/Ich_beide_ampersandonlyencodedforie_sie/2002-01-18.06:30.99.99.rec
> Jan 18 07:49:51 tvserver vdr[18678]: ERROR (dvbapi.c,585): DVB driver buffer overflow
> Jan 18 07:50:02 tvserver vdr[18678]: ERROR (dvbapi.c,585): DVB driver buffer overflow
> 
> This is not the only one - i have now 5 Recordings on disk wich are out of sync and
> not watchable.
> 
> Here is another Error-Log wich i never have seen in Log-File:
> 
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 1365, n = 502
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 1175, n = 190
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 1125, n = 53
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 99, n = 42
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 1582, n = 54
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 592, n = 455
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 1125, n = 134
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 1123, n = 988
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 1346, n = 24
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 428, n = 70
> Jan 17 22:20:07 tvserver vdr[11060]: read incomplete section - seclen = 2162, n = 355
> 
> So - if anyone have a Idea what i can do.... - please let me know....
> 
> PS: I have asked Klaus about this - but he notīt have a Idea - he sayed i could
> set a higher Buffersice - no i have set 10 but still same problem..
> 
> CU
> 
> Axel

My guess would be that your harddisk performance has gone down dramatically.
Can't say why, though, but a "DVB driver buffer overflow" normally indicates
that VDR can't write the data to disk fast enough. Have you tried running
a disk performance test?

Klaus
-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________