VDR crashes on playback of zero length recordings

does that happen with extrecmenu or with original menu or with both ? Default is extrecmenu in yavdr - you can change the replacement of the original one in System -> Settings -> Plugins -> extrecmenu. In any case a backtrace would be nice - Installing package vdr-dbg and setting DAEMON=/usr/bin/vdr-dbg in /etc/default/vdr should generate a crashlog in /var/log/vdr/

iampivot

oops, didn't realize this thread here. I sent the crash log to one of the fellows, let's see.

Cheers
fnu

Can you disable the extrecmenu plugin and try it again ? This plugin is definitely active.
P.S. Can you tar this empty recording directory and attach it here ?

iampivot

I send your crashlog to our fellow "mini73" he's aware of the problem and this thread.

But as first guess seems a pointer in dvbplayer becomes invalid. So, I quickly checked which patches do effect "dvbplayer.c":

• opt-24_jumpplay.patch
• opt-58_dvbplayer-no-busy.patch
• opt-60-livebuffer12-rmm.patch

All these patches have already on board of the previous VDR version 1.7.21.

So, please stay tuned.

Regards
fnu

menu.c

http://paste.ubuntu.com/883027/

5165

cDvbPlayerControl::Stop();

5131/5134

cReplayControl::~cReplayControl()
{
  Hide();
  cStatus::MsgReplaying(this, NULL, fileName, false);
  Stop();
  if (currentReplayControl == this)
     currentReplayControl = NULL;
}

dvbplayer.c

http://paste.ubuntu.com/883030/

323/329

cDvbPlayer::~cDvbPlayer()
{
  Save();
  Detach();
  delete readFrame; // might not have been stored in the buffer in Action()
#ifdef USE_LIVEBUFFER
  delete indexFile;
#else
  delete index;
#endif /*USE_LIVEBUFFER*/
  delete fileName;
  delete ringBuffer;
}

963

void cDvbPlayerControl::Stop(void)
{
  delete player;
  player = NULL;
}

player.c

http://paste.ubuntu.com/883031/

106 -

void cControl::Shutdown(void)
{
  cMutexLock MutexLock(&mutex);
  cControl *c = control; // avoids recursions
  control = NULL;
  delete c;
}

vdr.c

http://paste.ubuntu.com/883033/

1241

cControl::Shutdown();

alles gepatcht

keine ahnung ob das hilft .....

ist das hier wichtig ?:

Core was generated by `/usr/bin/vdr-dbg --lirc=/var/run/lirc/lircd -v /srv/vdr/video.00 -c /var/lib/vd'.

Core was generated by `/usr/bin/vdr-dbg --lirc=/var/run/lirc/lircd -v /srv/vdr/video.00 -c /var/lib/vdr'.

Before trying anything other I would remove the LIVEBUFFER patch ...

helau

Yes, I would not deny the possibilty, that there's an interaction between that exterecmenu & livebuffer, if enabled. Both are my best friends ...

But, again the version has been proven for 2 month and nobody did realize an issue like that.

iampivot

Something came into my mind, do you use the double XX plugin, everybody is using and nobody does talk about? If yes, do you have proper version running and could you disable that for a test?

Cheers
fnu

Zitat von fnu

Yes, I would not deny the possibilty, that there's an interaction between that exterecmenu & livebuffer, if enabled. Both are my best friends ...
But, again the version has been proven for 2 month and nobody did realize an issue like that.

Usually no one will prove a version with empty recordings
From a programmers point of view I would guess that an empty recording causes the destructor to be called before all initialization routines are finished, and this can result in deleting non existing objects ...

Zitat von helau

Usually no one will prove a version with empty recording

Indeed. Funny, recently I did ask one of the fellows when to hack this problem might happen ... I didn't got it ...

Cheers
fnu

Zitat von iampivot

The empty recordings are caused by tuning issues with nova-t 500 cards. There shouldn't be empty recordings in a perfect world of course, but then vanilla VDR doesn't choke on them either.

Guess what, I could proof this, since I'm pretty much the last yaVDR fellow using exactly this VDR version. How can I simulate it? Start a recording and stopping it immediately?

cheers
fnu

Hi,

Zitat von fnu

Start a recording an stopping it immediately?

Replace the TS-files of a recording with an empty 00001.ts and remove the index?

Lars.

Ok, I have some good news and some not so good.

The good, I could reproduce that issue in my installation, the bad, some fellows could also reproduce it with VDR 1.7.26 w/o Live-Buffer Patch, some not, still with other patches.

Since it is not 100% clear if LB is the root cause, I'll change nothing. Since zero lenght recordings itself is more or less a fault for itself, we mark this as a known error for now, until we'll find the real cause.

Since I already have something new w/o LiveBuffer in planning/testing, I would rather push 0.4 & 0.3.2 to this version with a fix.

Regards
fnu

Zitat von iampivot

Ok, is there a yavdr package that provides plain vanilla unpatched VDR?

No, what sence would make a package nobody from the team wants to use?

Gerald