(gdb) info threads
  Id   Target Id         Frame 
  3    Thread 0x7fffecbf2700 (LWP 19360) "openxcom" 0x00007ffff64f46c1 in ppoll () from /lib64/libc.so.6
* 1    Thread 0x7ffff7f97780 (LWP 19352) "openxcom" 0x00007ffff62006fd in pthread_join () from /lib64/libpthread.so.0


(gdb) thread 1
[Switching to thread 1 (Thread 0x7ffff7f97780 (LWP 19352))]
#0  0x00007ffff62006fd in pthread_join () from /lib64/libpthread.so.0


(gdb) bt
#0  0x00007ffff62006fd in pthread_join () from /lib64/libpthread.so.0
#1  0x00007ffff757307e in SDL_SYS_WaitThread (thread=thread@entry=0x4c208a0) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/thread/pthread/SDL_systhread.c:107
#2  0x00007ffff7544a7c in SDL_WaitThread (thread=0x4c208a0, 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
#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
#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
#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
#6  0x00007ffff7bd1ce4 in Mix_CloseAudio () from /usr/lib64/libSDL_mixer-1.2.so.0
#7  0x0000000000565409 in OpenXcom::Game::~Game (this=0x4c0fdd0, __in_chrg=<optimized out>) at src/Engine/Game.cpp:129
#8  0x00000000004155b1 in main (argc=<optimized out>, argv=0x7fffffffdbf8) at src/main.cpp:125


(gdb) thread 3
[Switching to thread 3 (Thread 0x7fffecbf2700 (LWP 19360))]
#0  0x00007ffff64f46c1 in ppoll () from /lib64/libc.so.6


(gdb) bt
#0  0x00007ffff64f46c1 in ppoll () from /lib64/libc.so.6
#1  0x00007ffff4515b5d in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#2  0x00007ffff451612e in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#3  0x00007ffff7561937 in PULSE_WaitAudio (this=0x4c09d00) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/audio/pulse/SDL_pulseaudio.c:310
#4  0x00007ffff753d4b5 in SDL_RunAudio (audiop=audiop@entry=0x4c09d00) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/audio/SDL_audio.c:222
#5  0x00007ffff7544952 in SDL_RunThread (data=0x4c20bd0) at /var/tmp/portage/media-libs/libsdl-1.2.15-r9/work/SDL-1.2.15/src/thread/SDL_thread.c:204
#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
#7  0x00007ffff61ff494 in start_thread () from /lib64/libpthread.so.0
#8  0x00007ffff64fd5dd in clone () from /lib64/libc.so.6