(gdb) break pa_smoother_new (gdb) r Starting program: /home/eric/projects/sdl_audio_example/main [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0xf36e9b40 (LWP 8396)] Thread 1 "main" hit Breakpoint 1, pa_smoother_new (adjust_time=1000000, history_time=5000000, monotonic=true, smoothing=true, min_history=4, time_offset=69910227875, paused=true) at pulsecore/time-smoother.c:102 102 pa_assert(adjust_time > 0); (gdb) bt #0 pa_smoother_new (adjust_time=1000000, history_time=5000000, monotonic=true, smoothing=true, min_history=4, time_offset=69910227875, paused=true) at pulsecore/time-smoother.c:102 #1 0xf7bf0164 in create_stream (direction=direction@entry=PA_STREAM_PLAYBACK, s=0x5657c8e0, dev=0x0, attr=0x0, flags=, volume=0x0, sync_stream=0x0) at pulse/stream.c:1257 #2 0xf7bf0aa0 in pa_stream_connect_playback (s=, dev=, attr=, flags=, volume=0x0, sync_stream=0x0) at pulse/stream.c:1402 #3 0xf7c24865 in pa_simple_new (server=0x0, name=0xf7f57675 "Test stream", dir=PA_STREAM_PLAYBACK, dev=0x0, stream_name=0xf7f57639 "Simple DirectMedia Layer", ss=0xffffd690, map=0x0, attr=0x0, rerror=0x0) at pulse/simple.c:206 #4 0xf7f305e3 in ?? () from /usr/lib32/libSDL-1.2.so.0 #5 0xf7f02933 in SDL_AudioInit () from /usr/lib32/libSDL-1.2.so.0 #6 0xf7f015f1 in SDL_InitSubSystem () from /usr/lib32/libSDL-1.2.so.0 #7 0xf7f026bf in SDL_OpenAudio () from /usr/lib32/libSDL-1.2.so.0 #8 0x56556212 in main (argc=1, argv=0xffffd854) at main.c:16 (gdb) s 0xf7b44080 in __x86.get_pc_thunk.bx () from /usr/lib32/pulseaudio/libpulsecommon-12.2.so (gdb) bt #0 0xf7b44080 in __x86.get_pc_thunk.bx () from /usr/lib32/pulseaudio/libpulsecommon-12.2.so (gdb)