[vdr] Re: black screen after recording and playing back at same time

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

C.Y.M wrote:
> While testing vdr-1.3.20, I have started to have a major problem with my 
> kernel crashing (total lockup and forced hard reset). This is how I 
> reproduce the problem:
>
> 1) Record a show on a timer
> 2) Playback a recording *while* vdr is recording something
> 3) Stop the playback of the recording and instead of vdr returning to 
> live-tv, it just shows a black screen.
> 4) Start and stop the playback of the recording a few more times and I 
> get an irq oops with a full lockup (forcing me to hard reset).
>
> While testing this on a two card system, the black screen was easily 
> reproducible but not the total lockup.  This may be specific to a single 
> FF card setup.  I can not reproduce this to with vdr-1.3.17+safe 
> threading patches.
>
> Best Regards,
> C.Y.M.
I noticed this, too.
This should fix it:

--- dvbdevice.c 2005/02/06 12:30:14     1.117
+++ dvbdevice.c 2005/02/08 11:20:30     1.118
@@ -866,8 +866,10 @@
   const tTrackId *TrackId = GetTrack(Type);
   if (TrackId && TrackId->id) {
      if (IS_AUDIO_TRACK(Type)) {
-        pidHandles[ptAudio].pid = TrackId->id;
-        SetPid(&pidHandles[ptAudio], ptAudio, true);
+        if (pidHandles[ptAudio].pid) {
+           pidHandles[ptAudio].pid = TrackId->id;
+           SetPid(&pidHandles[ptAudio], ptAudio, true);
+           }
         }
      else if (IS_DOLBY_TRACK(Type)) {
         // Currently this works only in Transfer Mode


Klaus