id summary reporter owner description type status priority milestone component version severity resolution keywords cc mlocked 145 SEGFAULT if an mpeg stream begins with no audio, then later acquires it. danielk Isaac Richards "I've left the priority at minor since this doesn't in normal use. If no audio stream is present in the first PMT of a TS stream, then later an audio stream is added in a later pmt the frontend segfaults after playing a second or so of distorted sound. The oddity is that 'm_parent' in AvFormatDecoder is set to 0x80808080 instead of a valid pointer. I tried adding padding around the variable, and it did not help, which makes me think it is being overwritten directly, but I could find no such problem. (The 'this' pointer in AvFormatDecoder doesn't change.) To generate a file that will cause this problem first create audio free stream, and then append a stream containing audio. One example... convert /tmp/some1920x1088image.png ppm:- | \ ppmtoy4m -n15 -F30000:1001 -A10:11 -I p -r | \ mpeg2enc -n n -f3 -b8000 -a3 --no-constraints -o /tmp/tmp.ps vlc /tmp/tmp.ps --sout \ '#std{access=file,mux=ts{pid-pmt=0x20,pid-video=0x21.tsid=1},\ url=""/tmp/tmp.ts""}' cat /tmp/tmp.ts > /tmp/test.nuv cat /mythtv/video/some_mpegts_stream.nuv > /tmp/test.nuv Little bit of log bfr crash, then backtrace: 2005-07-21 15:01:35.252 prebuffering pause 2005-07-21 15:01:35.252 waiting for prebuffer... 0 2005-07-21 15:01:35.269 Snapping height to avoid scaling: disphoff 1080, dispyoff: 180 2005-07-21 15:01:35.269 Snapping width to avoid scaling: dispwoff 1920, dispxoff: 0 2005-07-21 15:01:35.269 Image size. dispxoff 0, dispyoff: 180, dispwoff: 1920, disphoff: 1080 2005-07-21 15:01:35.269 Image size. imgx 0, imgy: 0, imgw: 1920, imgh: 1080 2005-07-21 15:01:35.387 waiting for prebuffer... 1 2005-07-21 15:01:35.522 waiting for prebuffer... 2 2005-07-21 15:01:35.630 Connecting to backend server: 192.168.1.102:1234 (try 3of 5) 2005-07-21 15:01:35.631 Trying to wake up the MasterBackend now. 2005-07-21 15:01:35.642 Waiting for 5 seconds until I try to reconnect again. 2005-07-21 15:01:35.657 waiting for prebuffer... 3 2005-07-21 15:01:35.792 waiting for prebuffer... 4 2005-07-21 15:01:35.922 detectInterlace(Detect Scan, Interlaced Scan, 29.97, 1080) ->Interlaced Scan 2005-07-21 15:01:35.923 Interlaced: Interlaced Scan video_height: 1080 fps: 29.97 2005-07-21 15:01:35.923 positionMap[ 17 ] == 2466184. 2005-07-21 15:01:35.927 waiting for prebuffer... 5 2005-07-21 15:01:35.975 Opening audio device 'default'. 2005-07-21 15:01:36.071 waiting for prebuffer... 6 2005-07-21 15:01:36.206 waiting for prebuffer... 7 [New Thread 131079 (LWP 1360)] 2005-07-21 15:01:36.341 waiting for prebuffer... 8 2005-07-21 15:01:36.476 waiting for prebuffer... 9 2005-07-21 15:01:36.507 HandleGopStart: gopset not set, syncing positionMap 2005-07-21 15:01:36.508 SyncPositionMap prerecorded, from DB: 18 entries 2005-07-21 15:01:36.509 Stream initial keyframedist: 15. 2005-07-21 15:01:36.509 positionMap[ 21 ] == 3564292. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 81924 (LWP 1353)] 0xb7b965dc in NuppelVideoPlayer::ReleaseNextVideoFrame (this=0x80808080, buffer=0x81b37c0, timecode=52237318) at NuppelVideoPlayer.cpp:810 810 videoOutput->ReleaseFrame(buffer); (gdb) thread apply all bt full Thread 10 (Thread 131079 (LWP 1360)): #0 0x417e4026 in nanosleep () from /lib/libc.so.6 No locals. #1 0x00000000 in ?? () No symbol table info available. #2 0x4180b7fc in usleep (useconds=0) at usleep.c:33 ts = {tv_sec = 0, tv_nsec = 5000000} #3 0xb7341767 in AudioOutputBase::OutputAudioLoop (this=0xaca9a008) at audiooutputbase.cpp:772 space_on_soundcard = 240 last_space_on_soundcard = 240 zeros = ""\000"" fragment = ""E\002"" e = { = { = { = { static color0 = @0x43dc8d60, static color1 = @0x43dc8d68, static black = @0x43dc8d70, static white = @0x43dc8d78, static darkGray = @0x43dc8d80, static gray = @0x43dc8d88, static lightGray = @0x43dc8d90, static red = @0x43dc8d98, static green = @0x43dc8da0, static blue = @0x43dc8da8, static cyan = @0x43dc8db0, static magenta = @0x43dc8db8, static yellow = @0x43dc8dc0, static darkRed = @0x43dc8dc8, static darkGreen = @0x43dc8dd0, static darkBlue = @0x43dc8dd8, static darkCyan = @0x43dc8de0, static darkMagenta = @0x43dc8de8, static darkYellow = @0x43dc8df0, static arrowCursor = @0x43dc7440, static upArrowCursor = @0x43dc7444, static crossCursor = @0x43dc7448, static waitCursor = @0x43dc744c, static ibeamCursor = @0x43dc7450, static sizeVerCursor = @0x43dc7454, static sizeHorCursor = @0x43dc7458, static sizeBDiagCursor = @0x43dc745c, static sizeFDiagCursor = @0x43dc7460, static sizeAllCursor = @0x43dc7464, static blankCursor = @0x43dc7468, static splitVCursor = @0x43dc746c, static splitHCursor = @0x43dc7470, static pointingHandCursor = @0x43dc7474, static forbiddenCursor = @0x43dc7478, static whatsThisCursor = @0x43dc747c, static busyCursor = @0x43dc7480}, _vptr.QEvent = 0x43da98f0, t = 1200, posted = 0, spont = 0}, d = 0x0}, error_msg = 0x0, elasped_seconds = 0, written_bytes = 0, brate = 0, freq = 0, prec = 0, chan = 0} #4 0xb7341f9d in AudioOutputBase::kickoffOutputAudioLoop (player=0xaca9a008) ---Type to continue, or q to quit--- at audiooutputbase.cpp:872 No locals. #5 0x419adef6 in pthread_start_thread (arg=0x848c1a0) at manager.c:310 resultvar = 0 request = {req_thread = 0x0, req_kind = REQ_CREATE, req_args = { create = {attr = 0x0, fn = 0, arg = 0x0, mask = {__val = { 0 , 1100679452, 1100705780, 1100715248, 138985888, 2893021100, 1100684674}}}, free = {thread_id = 0}, exit = { code = 0}, post = 0x0, for_each = {fn = 0, arg = 0x0}}} outcome = (void *) 0xfffffdfc tmpclock = 13204910439412006396 #6 0x419ae095 in pthread_start_thread_event (arg=0x848c1a0) at manager.c:334 ldt_entry = {entry_number = 6, base_addr = 138985888, limit = 1048575, seg_32bit = 1, contents = 0, read_exec_only = 0, limit_in_pages = 1, seg_not_present = 0, useable = 1, empty = 0} __result = -516 __gs = -1220459500 #7 0x4181122a in clone () from /lib/libc.so.6 __elf_set___libc_subfreeres_element_fstab_free__ = ( const void *) 0x41848234 fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = { mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}} Current language: auto; currently c Thread 9 (Thread 114694 (LWP 1355)): #0 0x419b38fb in read () from /lib/libpthread.so.0 No symbol table info available. #1 0xb7ef26fc in ?? () from /usr/local/lib/libmythtv-0.18.so.0 No symbol table info available. #2 0x00000001 in ?? () No symbol table info available. #3 0xb7c17d25 in RTCVideoSync::WaitForFrame (this=0xb2e01a60, sync_delay=0) at vsync.cpp:690 rtcdata = 448 #4 0xb7b996df in NuppelVideoPlayer::AVSync (this=0x817a728) at NuppelVideoPlayer.cpp:1403 diverge = 1.43388474 buffer = (VideoFrame *) 0x81b3c88 ---Type to continue, or q to quit--- #5 0xb7b9a861 in NuppelVideoPlayer::DisplayNormalFrame (this=0x817a728) at NuppelVideoPlayer.cpp:1637 frame = (VideoFrame *) 0x81b3c88 #6 0xb7b9ad97 in NuppelVideoPlayer::OutputVideoLoop (this=0x817a728) at NuppelVideoPlayer.cpp:1717 temp_speed = 1 fr_int = 33366 #7 0xb7b9b04a in NuppelVideoPlayer::kickoffOutputVideoLoop (player=0x817a728) at NuppelVideoPlayer.cpp:1782 nvp = (NuppelVideoPlayer *) 0x817a728 #8 0x419adef6 in pthread_start_thread (arg=0x83f7be0) at manager.c:310 resultvar = 0 request = {req_thread = 0x0, req_kind = REQ_CREATE, req_args = { create = {attr = 0x0, fn = 0, arg = 0x0, mask = {__val = { 0 }}}, free = {thread_id = 0}, exit = {code = 0}, post = 0x0, for_each = {fn = 0, arg = 0x0}}} outcome = (void *) 0xfffffe00 tmpclock = 21474835968 #9 0x419ae095 in pthread_start_thread_event (arg=0x83f7be0) at manager.c:334 ldt_entry = {entry_number = 6, base_addr = 138378208, limit = 1048575, seg_32bit = 1, contents = 0, read_exec_only = 0, limit_in_pages = 1, seg_not_present = 0, useable = 1, empty = 0} __result = -512 __gs = 4 #10 0x4181122a in clone () from /lib/libc.so.6 __elf_set___libc_subfreeres_element_fstab_free__ = ( const void *) 0x41848234 fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = { mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}} Thread 8 (Thread 98309 (LWP 1354)): #0 0x417e4026 in nanosleep () from /lib/libc.so.6 No locals. #1 0x00000000 in ?? () No symbol table info available. #2 0x4180b7fc in usleep (useconds=0) at usleep.c:33 ts = {tv_sec = 0, tv_nsec = 50000000} ---Type to continue, or q to quit--- #3 0xb7a95fac in RingBuffer::ReadAheadThread (this=0x817a568) at RingBuffer.cpp:1295 totfree = 15359 ret = 128000 used = 2544641 loops = 0 #4 0xb7a95e6d in RingBuffer::startReader (type=0x817a568) at RingBuffer.cpp:1261 rbuffer = (RingBuffer *) 0x817a568 #5 0x419adef6 in pthread_start_thread (arg=0x8180ce0) at manager.c:310 resultvar = 0 request = {req_thread = 0x0, req_kind = REQ_CREATE, req_args = { create = {attr = 0x0, fn = 0, arg = 0x0, mask = {__val = { 0 }}}, free = {thread_id = 0}, exit = {code = 0}, post = 0x0, for_each = {fn = 0, arg = 0x0}}} outcome = (void *) 0xfffffdfc tmpclock = 13253855096443239932 #6 0x419ae095 in pthread_start_thread_event (arg=0x8180ce0) at manager.c:334 ldt_entry = {entry_number = 6, base_addr = 135793888, limit = 1048575, seg_32bit = 1, contents = 0, read_exec_only = 0, limit_in_pages = 1, seg_not_present = 0, useable = 1, empty = 0} __result = -516 __gs = -1209063684 #7 0x4181122a in clone () from /lib/libc.so.6 __elf_set___libc_subfreeres_element_fstab_free__ = ( const void *) 0x41848234 fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = { mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}} Thread 7 (Thread 81924 (LWP 1353)): #0 0xb7b965dc in NuppelVideoPlayer::ReleaseNextVideoFrame (this=0x80808080, buffer=0x81b37c0, timecode=52237318) at NuppelVideoPlayer.cpp:810 No locals. #1 0xb7bbdbb4 in AvFormatDecoder::GetFrame (this=0xb4811008, onlyvideo=0) at avformatdecoder.cpp:1909 context = (AVCodecContext *) 0x82c63b0 mpa_pic = {data = { ---Type to continue, or q to quit--- 0xb4519000 ""\200\200\200\200\200\200\200\200\201\201\201\201\201\201\201\200\200\200\200\177\200\177\200\200\200\200\200\200\200\200\200\200\177\177\177\177\200\177\177\177\200\177\200"", '\177' , ""\201\201\200\200\200\200\201\201"", '\200' , ""\201\201\201"", '\200' , ""\201\201\201\201\200\201\200\200\200\201\201\201\201\201\201\201\200\201\201\201\200\200\200\201\201\200\200\200\200\177\177\177\177\201\201\201\200\200\200\200\201\200\200\200\200\200\200\200\200\200\201\201\200\200\200\200\200\201\201\201\201\201\201\201\201\200\200\200\200\200\200\200\200\201\200\201\200\201\200\201\201"", '\200' , ""\201\201\201\201\201\200\201\201""..., 0xb4713400 '\020' ..., 0xb4791d00 '\200' , ""\201\200\177\200\201\201\177}\203\201\200\201\200\200\201\201"", '\200' , ""\201\201\201\202\202\201\202\203\203\202\202\201\177\200\200\200\177\177\177\201\201\200\201\200\200\177\200\177\200\177\200\177\200\177\177\177\200\200\200\200\200\200\200\200\200\200\201\200\201\200\201\200""..., 0x0}, linesize = {1920, 960, 960, 0}, base = { 0x0, 0x0, 0x0, 0x0}, key_frame = 0, pict_type = 3, pts = 0, coded_picture_number = 15, display_picture_number = 0, quality = 0, age = 1073741824, reference = 0, qscale_table = 0x8442900 '\002' , ""\003\003\003\002\002"", '\003' , ""\002\002\002"", '\003' , qstride = 121, mbskip_table = 0x84408d0 """", motion_val = {0x0, 0x0}, mb_type = 0x8444b28, motion_subsample_log2 = 0 '\0', opaque = 0x81b37c0, error = {0, 0, 0, 0}, type = 2, repeat_pict = 0, qscale_type = 1, interlaced_frame = 1, top_field_first = 1, pan_scan = 0x8303f50, palette_has_changed = 0, buffer_hints = 0, dct_coeff = 0x0, ref_index = { 0x0, 0x0}} gotpicture = 32 temppts = 52237318 picframe = (VideoFrame *) 0x81b37c0 curstream = (AVStream *) 0x83056c0 pkt = (AVPacket *) 0x82cee08 len = 43580 ret = 43580 ptr = (unsigned char *) 0x8461170 """" data_size = 0 pts = 52237318 firstloop = true have_err = false allowedquit = false storevideoframes = false ---Type to continue, or q to quit--- skipaudio = false #2 0xb7b96c5f in NuppelVideoPlayer::GetFrame (this=0x817a728, onlyvideo=0, unsafe=false) at NuppelVideoPlayer.cpp:882 No locals. #3 0xb7b9c771 in NuppelVideoPlayer::StartPlaying (this=0x817a728) at NuppelVideoPlayer.cpp:2087 output_video = 114694 decoder_thread = 81924 pausecheck = 0 #4 0xb7b650b7 in SpawnDecode (param=0x817a728) at tv_play.cpp:150 nvp = (NuppelVideoPlayer *) 0x817a728 #5 0x419adef6 in pthread_start_thread (arg=0x81801e0) at manager.c:310 resultvar = 0 request = {req_thread = 0x0, req_kind = REQ_CREATE, req_args = { create = {attr = 0x0, fn = 0, arg = 0x0, mask = {__val = { 0 }}}, free = {thread_id = 0}, exit = {code = 0}, post = 0x0, for_each = {fn = 0, arg = 0x0}}} outcome = (void *) 0x80808080 tmpclock = 2155905152 #6 0x419ae095 in pthread_start_thread_event (arg=0x81801e0) at manager.c:334 ldt_entry = {entry_number = 6, base_addr = 135791072, limit = 1048575, seg_32bit = 1, contents = 0, read_exec_only = 0, limit_in_pages = 1, seg_not_present = 0, useable = 1, empty = 0} __result = -2139062144 __gs = 0 #7 0x4181122a in clone () from /lib/libc.so.6 __elf_set___libc_subfreeres_element_fstab_free__ = ( const void *) 0x41848234 fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = { mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}} Current language: auto; currently c++ Thread 6 (Thread 65539 (LWP 1352)): #0 0x417e4026 in nanosleep () from /lib/libc.so.6 No locals. #1 0x00000000 in ?? () No symbol table info available. #2 0x417e3e72 in __sleep (seconds=0) at sleep.c:137 ---Type to continue, or q to quit--- saved_errno = -1238251404 oact = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, sa_mask = {__val = {0, 0, 3056715292, 3069404199, 20, 1, 3056715292, 3069404491, 2, 3056715412, 0, 1138358584, 2, 1, 3056715340, 1136852555, 20, 3056715540, 2, 0, 5, 3001034616, 3056715764, 1138358584, 0, 0, 3056715580, 1136780517, 3056715764, 3056715540, 1, 0}}, sa_flags = 0, sa_restorer = 0x805244e} ts = {tv_sec = 4, tv_nsec = 51384096} set = {__val = {65536, 0 }} oset = {__val = {2147483648, 0, 1099348096, 1100663699, 1100672926, 1099346544, 1099345908, 3056715960, 1099345908, 0, 3056716012, 1098589866, 3056715984, 0, 1099348096, 1, 1100682428, 1099348096, 0, 0, 3069528852, 3069544992, 1, 20039932, 135763168, 0, 1, 16777216, 135763168, 0, 3001026320, 0}} result = 0 #3 0xb72441f4 in MythContext::ConnectServer (this=0x813c478, hostname=@0xb631caf4, port=1234) at mythcontext.cpp:780 wol_cmd = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0xb2e00648, static shared_null = 0x8050198} cnt = 2 sleepTime = 5 maxConnTry = 5 str = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0xb2e00648, static shared_null = 0x8050198} strlist = {> = {sh = 0xb2e00908}, } #4 0xb7243703 in MythContext::ConnectToMasterServer (this=0x813c478) at mythcontext.cpp:720 server = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0xb2e02a30, static shared_null = 0x8050198} port = 1234 #5 0xb724f1da in MythContext::SendReceiveStringList (this=0x813c478, strlist=@0xb631cbc4, quickTimeout=false) at mythcontext.cpp:2000 ok = 49 #6 0xb7a9d369 in RemoteSendMessage (message=@0xb631cd04) at remoteutil.cpp:329 ---Type to continue, or q to quit--- strlist = {> = {sh = 0x81d09d0}, } #7 0xb7b6ba04 in TV::HandleStateChange (this=0x8175560) at tv_play.cpp:798 message = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0x81a2a50, static shared_null = 0x8050198} tmpFilename = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0x8175d30, static shared_null = 0x8050198} changed = true nextState = kState_WatchingPreRecorded desiredNextState = kState_WatchingPreRecorded #8 0xb7b6e190 in TV::RunTV (this=0x8175560) at tv_play.cpp:1237 doHandle = true keypressed = (QKeyEvent *) 0x419b1440 updatecheck = 1 #9 0xb7b6dc4f in TV::EventThread (param=0x8175560) at tv_play.cpp:1182 thetv = (class TV *) 0x8175560 #10 0x419adef6 in pthread_start_thread (arg=0x81794e0) at manager.c:310 resultvar = 0 request = {req_thread = 0x0, req_kind = REQ_CREATE, req_args = { create = {attr = 0x0, fn = 0, arg = 0x0, mask = {__val = { 0 , 1100679452, 1100705780, 1100715184, 135763168, 3056717740, 1100684674}}}, free = {thread_id = 0}, exit = { code = 0}, post = 0x0, for_each = {fn = 0, arg = 0x0}}} outcome = (void *) 0xfffffdfc tmpclock = 4721654726146391548 #11 0x419ae095 in pthread_start_thread_event (arg=0x81794e0) at manager.c:334 ldt_entry = {entry_number = 6, base_addr = 135763168, limit = 1048575, seg_32bit = 1, contents = 0, read_exec_only = 0, limit_in_pages = 1, seg_not_present = 0, useable = 1, empty = 0} __result = -516 __gs = 1099345908 #12 0x4181122a in clone () from /lib/libc.so.6 __elf_set___libc_subfreeres_element_fstab_free__ = ( const void *) 0x41848234 fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = { mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, fs_file = 0x0, ---Type to continue, or q to quit--- fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}} Current language: auto; currently c Thread 3 (Thread 16386 (LWP 1348)): #0 0x419b0b04 in __pthread_sigsuspend (set=0x419b6ff4) at pt-sigsuspend.c:54 resultvar = 4294967292 #1 0x419b0964 in __pthread_wait_for_restart_signal (self=0x8159880) at pthread.c:1216 mask = {__val = {0, 0, 3069566976, 51, 3068169360, 0, 1090609076, 0, 1090610836, 3065585124, 1090551756, 134515163, 227054694, 134513704, 3065585056, 1090610752, 25, 0, 1, 0, 1, 1, 1100682428, 1, 16777216, 135633024, 0, 3069544992, 0, 1100685250, 1100685561, 1100705780}} #2 0x419acdf9 in __pthread_cond_wait (cond=0x0, mutex=0x43dca5c8) at restart.h:34 self = 0x8159880 extr = {pu_object = 0x813c8b0, pu_extricate_func = 0x419acca0 } already_canceled = 0 spurious_wakeup_count = 0 #3 0x43bfc80c in QWaitCondition::wait (this=0x813c708, time=4294967295) at qwaitcondition_unix.cpp:242 mutex = {__m_reserved = 0, __m_count = 0, __m_owner = 0x0, __m_kind = 0, __m_lock = {__status = 0, __spinlock = 0}} ret = -1 #4 0xb72523b0 in MythContext::waitPrivRequest (this=0x813c478) at mythcontext.cpp:2396 No locals. #5 0x08049c19 in run_priv_thread (data=0x0) at main.cpp:23 No locals. #6 0x419adef6 in pthread_start_thread (arg=0x8159880) at manager.c:310 resultvar = 0 request = {req_thread = 0x0, req_kind = REQ_CREATE, req_args = { create = {attr = 0x0, fn = 0, arg = 0x0, mask = {__val = { 0 }}}, free = {thread_id = 0}, exit = {code = 0}, post = 0x0, for_each = {fn = 0, arg = 0x0}}} outcome = (void *) 0xfffffffc tmpclock = 4727495331913138172 #7 0x419ae095 in pthread_start_thread_event (arg=0x8159880) at manager.c:334 ldt_entry = {entry_number = 6, base_addr = 135633024, limit = 1048575, seg_32bit = 1, contents = 0, read_exec_only = 0, limit_in_pages = 1, ---Type to continue, or q to quit--- seg_not_present = 0, useable = 1, empty = 0} __result = -4 __gs = 1100705780 #8 0x4181122a in clone () from /lib/libc.so.6 __elf_set___libc_subfreeres_element_fstab_free__ = ( const void *) 0x41848234 fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = { mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}} Thread 2 (Thread 32769 (LWP 1347)): #0 0x41808faa in *__GI___poll (fds=0x4186aff4, nfds=1, timeout=2000) at poll.c:86 resultvar = 1099345908 oldtype = 0 #1 0x419ada03 in __pthread_manager (arg=0x81801e0) at manager.c:152 resultvar = 135791072 reqfd = 12 ufd = {fd = 12, events = 1, revents = 0} manager_mask = {__val = {4294967279, 4294967294, 4294967295 }} n = 135791072 request = {req_thread = 0x81801e0, req_kind = REQ_CREATE, req_args = { create = {attr = 0x0, fn = 0xb7341dc0 , arg = 0xaca9a008, mask = {__val = {2147483648, 0, 3071822456, 3086866480, 78748438, 3048215796, 3086866480, 3072062013, 1, 16777216, 3071708152, 1090551574, 1090609076, 7562, 3086866480, 3048215764, 1090564217, 3086866908, 0, 1, 1, 0, 0, 3071685768, 3074509516, 765, 3071832098, 1131454700, 3074507796, 3048216036, 0, 3048215804}}}, free = {thread_id = 0}, exit = {code = 0}, post = 0x0, for_each = {fn = 0, arg = 0xb7341dc0}}} #2 0x419adcfa in __pthread_manager_event (arg=0x8158d80) at manager.c:249 ldt_entry = {entry_number = 6, base_addr = 135630208, limit = 1048575, seg_32bit = 1, contents = 0, read_exec_only = 0, limit_in_pages = 1, seg_not_present = 0, useable = 1, empty = 0} __result = -4 __gs = 2001 ---Type to continue, or q to quit--- #3 0x4181122a in clone () from /lib/libc.so.6 __elf_set___libc_subfreeres_element_fstab_free__ = ( const void *) 0x41848234 fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = { mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}} Thread 1 (Thread 16384 (LWP 1343)): #0 0x417e4026 in nanosleep () from /lib/libc.so.6 No locals. #1 0x00000000 in ?? () No symbol table info available. #2 0x4180b7fc in usleep (useconds=0) at usleep.c:33 ts = {tv_sec = 0, tv_nsec = 1000000} #3 0x0804ad19 in main (argc=2, argv=0xbfffd474) at main.cpp:144 a = { = { = {static color0 = @0x43dc8d60, static color1 = @0x43dc8d68, static black = @0x43dc8d70, static white = @0x43dc8d78 , static darkGray = @0x43dc8d80, static gray = @0x43dc8d88, static lightGray = @0x43dc8d90, static red = @0x43dc8d98, static green = @0x43dc8da0, static blue = @0x43dc8da8, static cyan = @0x43dc8db0, static magenta = @0x43dc8db8, static yellow = @0x43dc8dc0, static darkRed = @0x43dc8dc8, static darkGreen = @0x43dc8dd0, static darkBlue = @0x43dc8dd8, static darkCyan = @0x43dc8de0, static darkMagenta = @0x43dc8de8, static darkYellow = @0x43dc8df0, static arrowCursor = @0x43dc7440, static upArrowCursor = @0x43dc7444, static crossCursor = @0x43dc7448, static waitCursor = @0x43dc744c, static ibeamCursor = @0x43dc7450, static sizeVerCursor = @0x43dc7454, static sizeHorCursor = @0x43dc7458, static sizeBDiagCursor = @0x43dc745c, static sizeFDiagCursor = @0x43dc7460, static sizeAllCursor = @0x43dc7464, static blankCursor = @0x43dc7468, static splitVCursor = @0x43dc746c, static splitHCursor = @0x43dc7470, static pointingHandCursor = @0x43dc7474, static forbiddenCursor = @0x43dc7478, static whatsThisCursor = @0x43dc747c, static busyCursor = @0x43dc7480}, _vptr.QObject = 0x43db87e8, static metaObj = 0x8050c70, isSignal = 0, isWidget = 0, pendTimer = 0, blockSig = 0, wasDeleted = 0, isTree = 1, ---Type to continue, or q to quit--- objname = 0x812dd90 ""mythtv"", parentObj = 0x0, childObjects = 0x812d088, connections = 0x0, senderObjects = 0x0, eventFilters = 0x0, postedEvents = 0x0, d = 0x0}, static metaObj = 0x8171290, static qt_mutex = 0x8130af8, app_argc = 2, app_argv = 0xbfffd474, quit_now = false, quit_code = 0, static app_style = 0x815b2f8, static app_cspec = 0, static app_pal = 0x8131cf8, static app_font = 0x80527b0, static app_cursor = 0x0, static eventloop = 0x813b980, static app_tracking = 0, static is_app_running = true, static is_app_closing = false, static app_exit_loop = , static loop_level = 0, static main_widget = 0x0, static focus_widget = 0x0, static active_window = 0x0, static obey_desktop_settings = true, static cursor_flash_time = 1000, static mouse_double_click_time = 400, static wheel_scroll_lines = 3, static composedUnicode = 0, static animate_ui = false, static animate_menu = false, static animate_tooltip = false, static animate_combo = false, static fade_menu = false, static fade_tooltip = false, static animate_toolbox = false, static widgetCount = false, static metaComposeUnicode = false, translators = 0x0, session_manager = 0x8146eb8, session_id = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0x813aeb0, static shared_null = 0x8050198}, static session_key = 0x8130c78, is_session_restored = false, static app_strut = {wd = 0, ht = 0}, static app_libpaths = 0x812db68, static app_palettes = 0x8131b60, static app_fonts = 0x0, static popupWidgets = 0x0} priv_thread = 16386 status = 0 themename = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0x8156218, static shared_null = 0x8050198} themedir = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0x8155ec8, static shared_null = 0x8050198} auddevice = {static null = { static null = , d = 0x8050198, static shared_null = 0x8050198}, d = 0x815ba38, static shared_null = 0x8050198} ---Type to continue, or q to quit--- mainWindow = (class MythMainWindow *) 0x815de40 tv = (class TV *) 0x8175560 0xb7b965dc 810 videoOutput->ReleaseFrame(buffer); Current language: auto; currently c++ (gdb) p videoOutput Cannot access memory at address 0x808082dc (gdb) p this $1 = (NuppelVideoPlayer * const) 0x80808080 (gdb) up #1 0xb7bbdbb4 in AvFormatDecoder::GetFrame (this=0xb4811008, onlyvideo=0) at avformatdecoder.cpp:1909 1909 m_parent->ReleaseNextVideoFrame(picframe, temppts); (gdb) p m_parent $2 = (NuppelVideoPlayer *) 0x80808080 (gdb) p this $3 = (AvFormatDecoder * const) 0xb4811008 (gdb) " defect closed minor unknown mythtv medium fixed 0