(gdb) thread apply all bt full

Thread 3 (Thread 0x7fffecbf2700 (LWP 21554)):
#0  0x00007ffff64f46c1 in ppoll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007ffff4515b5d in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
No symbol table info available.
#2  0x00007ffff451612e in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
No symbol table info available.
#3  0x00007ffff7561937 in PULSE_WaitAudio (this=0x4c22000) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/audio/pulse/SDL_pulseaudio.c:310
        size = <optimized out>
#4  0x00007ffff753d4b5 in SDL_RunAudio (audiop=audiop@entry=0x4c22000) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/audio/SDL_audio.c:222
        audio = 0x4c22000
        stream = 0x4c226a0 ""
        stream_len = 2048
        udata = 0x0
        fill = 0x7ffff7bd09b0
        silence = 0
#5  0x00007ffff7544952 in SDL_RunThread (data=0x4c2ab80) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/thread/SDL_thread.c:204
        args = 0x4c2ab80
        userfunc = 0x7ffff753d36c <SDL_RunAudio>
        userdata = 0x4c22000
        statusloc = 0x4c2a860
#6  0x00007ffff7572f2a in RunThread (data=<optimized out>) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/thread/pthread/SDL_systhread.c:47
No locals.
#7  0x00007ffff61ff494 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007ffff64fd5dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7ffff7f97780 (LWP 21546)):
#0  0x00007ffff62006fd in pthread_join () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007ffff757307e in SDL_SYS_WaitThread (thread=thread@entry=0x4c2a850) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/thread/pthread/SDL_systhread.c:107
No locals.
#2  0x00007ffff7544a7c in SDL_WaitThread (thread=0x4c2a850, status=status@entry=0x0) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/thread/SDL_thread.c:272
No locals.
#3  0x00007ffff753d67c in SDL_AudioQuit () at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/audio/SDL_audio.c:629
        audio = 0x4c22000
#4  0x00007ffff753cbae in SDL_QuitSubSystem (flags=flags@entry=16) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/SDL.c:190
No locals.
#5  0x00007ffff753d646 in SDL_CloseAudio () at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/audio/SDL_audio.c:619
No locals.
#6  0x00007ffff7bd1ce4 in Mix_CloseAudio () from /usr/lib64/libSDL_mixer-1.2.so.0
No symbol table info available.
#7  0x0000000000565409 in OpenXcom::Game::~Game (this=0x4c59440, __in_chrg=<optimized out>) at src/Engine/Game.cpp:129
No locals.
#8  0x00000000004155b1 in main (argc=<optimized out>, argv=0x7fffffffdbf8) at src/main.cpp:125
        title = <incomplete type>