[vdr] 1.1.26 timeshift race or bug

[s.huelswitt@gmx.de (Stefan Huelswitt)]

Hi,

I'm running a two card setup with vdr 1.1.26 & dvb 1.0.0pre2.
In a classic two card timeshift situation (means card 2 recording
while watching this recording on card 1) vdr crashed while
fast-rewinding.

Syslog:
Mar 23 15:17:09 video vdr[17663]: timer 5 start
Mar 23 15:17:09 video vdr[17663]: Title: 'Wetten, dass...?' Subtitle: 'vom Vortag'
Mar 23 15:17:09 video vdr[17663]: record /home/video/Wetten,_dass...?/2003-03-23.13:57.50.99.rec
Mar 23 15:17:09 video vdr[17663]: creating directory /home/video/Wetten,_dass...?
Mar 23 15:17:09 video vdr[17663]: creating directory /home/video/Wetten,_dass...?/2003-03-23.13:57.50.99.rec
Mar 23 15:17:09 video vdr[17663]: recording to '/home/video/Wetten,_dass...?/2003-03-23.13:57.50.99.rec/001.vdr'
Mar 23 15:17:09 video vdr[20057]: recording thread started (pid=20057)
Mar 23 15:17:09 video vdr[20058]: receiver thread started on device 2 (pid=20058)
Mar 23 15:47:39 video vdr[20057]: recording to '/home/video/Wetten,_dass...?/2003-03-23.13:57.50.99.rec/002.vdr'
Mar 23 16:18:48 video vdr[20057]: recording to '/home/video/Wetten,_dass...?/2003-03-23.13:57.50.99.rec/003.vdr'
Mar 23 16:19:04 video vdr[17663]: replay /home/video/Wetten,_dass...?/2003-03-23.13:57.50.99.rec
Mar 23 16:19:04 video vdr[17663]: playing '/home/video/Wetten,_dass...?/2003-03-23.13:57.50.99.rec/001.vdr'
Mar 23 16:19:06 video vdr[26755]: dvbplayer thread started (pid=26755)
Mar 23 16:19:06 video vdr[26756]: non blocking file reader thread started (pid=26756)
Mar 23 16:26:00 video vdr[26755]: ERROR: can't read from index
Mar 23 16:26:01 video lircd 0.6.6[270]: removed client
Mar 23 16:26:01 video su: pam_unix2: session finished for user vdr, service su 
Mar 23 16:26:01 video runVDR: restarting VDR

Backtrace:
(gdb) bt
#0  0x080a099d in cIndexFile::GetNextIFrame(int, bool, unsigned char*, int*, int*, bool) (this=0x4043bbb8, Index=26264, Forward=false, 
    FileNumber=0xbc5ffa33 "\001¬ðø#¶$\001", FileOffset=0xbc5ffa34, 
    Length=0xbc5ffa38, StayOffEnd=true) at recording.c:947
#1  0x0807b94f in cDvbPlayer::Action() (this=0x4043c320) at dvbplayer.c:388
#2  0x080a83b8 in cThread::StartThread(cThread*) (Thread=0x4043c32c)
    at thread.c:144
#3  0x4003e1b0 in pthread_start_thread () from /lib/libpthread.so.0

May be a race condition while accessing the index file?

-- 
Stefan Huelswitt
huels@iname.com  | http://home.pages.de/~nathan


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