id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc,mlocked 2338,prbuffer NULL pointer check missing in TV::StopStuff,Cougar ,Isaac Richards,"When I can't get stream from one of my backends such thing happen: {{{ 2006-09-07 08:26:54.412 NVP::OpenFile(): Error, file not found: /media/mythstorage/69999_20060907082647.mpg 2006-09-07 08:26:54.419 TV Error: StartPlayer(): NVP is not playing after 20000 msec QObject::disconnect: Unexpected null parameter 2006-09-07 08:26:57.904 TV Error: LiveTV not successfully started 2006-09-07 08:26:57.904 TV: Attempting to change from WatchingLiveTV to None Segmentation fault (core dumped) #0 0x4053bb45 in TV::StopStuff (this=0x83b1010, stopRingBuffers=true, stopPlayers=true, stopRecorders=true) at tv_play.cpp:1215 1215 tv_play.cpp: No such file or directory. in tv_play.cpp (gdb) where #0 0x4053bb45 in TV::StopStuff (this=0x83b1010, stopRingBuffers=true, stopPlayers=true, stopRecorders=true) at tv_play.cpp:1215 #1 0x405903cc in TV::HandleStateChange (this=0x83b1010) at tv_play.cpp:952 #2 0x4059945c in TV::RunTV (this=0x83b1010) at tv_play.cpp:1514 #3 0x4059b24b in TV::EventThread (param=0x1) at tv_play.cpp:1475 #4 0x41fc8297 in start_thread () from /lib/tls/libpthread.so.0 #5 0x421a037e in clone () from /lib/tls/libc.so.6 #6 0x42e46bb0 in ?? () (gdb) p prbuffer $1 = (class RingBuffer *) 0x0 }}} In mythtv/libs/libmythtv/tv_play.cpp is the code: {{{ if (prbuffer->isDVD()) { VERBOSE(VB_PLAYBACK,LOC + "" StopStuff() -- get dvd player out of still frame or wait status""); prbuffer->DVD()->IgnoreStillOrWait(true); } }}} I don't know should it be always initialized or not and therefore don't know should we first check prbuffer value here or is bug somewhere else. I don't have DVD plugin installed. ",defect,closed,minor,unknown,mythtv,head,medium,fixed,,,0