[New LWP 888]
[New LWP 886]
[New LWP 878]
[New LWP 887]
[New LWP 881]
[New LWP 880]
[New LWP 885]
[New LWP 879]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `./t-engine'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00000000004daa05 in ?? ()

Thread 8 (Thread 0x7f598de97700 (LWP 879)):
#0  0x00007f5993fba4ed in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x00007f599008ff41 in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#2  0x00007f5990081481 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
No symbol table info available.
#3  0x00007f5990081b1e in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
No symbol table info available.
#4  0x00007f5990081bd0 in pa_mainloop_run () from /usr/lib/libpulse.so.0
No symbol table info available.
#5  0x00007f599008fed6 in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#6  0x00007f598fc250c8 in ?? () from /usr/lib/pulseaudio/libpulsecommon-6.0.so
No symbol table info available.
#7  0x00007f599449b374 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#8  0x00007f5993fc327d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 7 (Thread 0x7f5984a16700 (LWP 885)):
#0  0x00007f59944a3fbd in nanosleep () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007f5995742333 in SDL_Delay_REAL (ms=<optimized out>) at /opt/SDL2-2.0.3/src/timer/unix/SDL_systimer.c:197
        was_error = <optimized out>
        elapsed = {tv_sec = 4, tv_nsec = 920566907}
        tv = {tv_sec = 5, tv_nsec = 0}
#2  0x000000000044b987 in ?? ()
No symbol table info available.
#3  0x00000000004da97b in ?? ()
No symbol table info available.
#4  0x00000000004c32d0 in lua_pcall ()
No symbol table info available.
#5  0x000000000048c024 in docall ()
No symbol table info available.
#6  0x00000000004596be in thread_profile ()
No symbol table info available.
#7  0x00007f59956e27ed in SDL_RunThread (data=0x3a2bbf0) at /opt/SDL2-2.0.3/src/thread/SDL_thread.c:282
        args = 0x3a2bbf0
        userfunc = 0x4595f0 <thread_profile>
        userdata = 0x3a2aab0
        thread = 0x3a2b8b0
        statusloc = 0x3a2b8c0
#8  0x00007f599573e249 in RunThread (data=<optimized out>) at /opt/SDL2-2.0.3/src/thread/pthread/SDL_systhread.c:72
No locals.
#9  0x00007f599449b374 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#10 0x00007f5993fc327d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 6 (Thread 0x7f598d696700 (LWP 880)):
#0  0x00007f59944a2de3 in do_futex_wait () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007f59944a2eaf in __new_sem_wait_slow () from /usr/lib/libpthread.so.0
No symbol table info available.
#2  0x00007f59944a2f72 in sem_timedwait () from /usr/lib/libpthread.so.0
No symbol table info available.
#3  0x00007f599573e5bd in SDL_SemWaitTimeout_REAL (sem=0x25b9b40, timeout=<optimized out>) at /opt/SDL2-2.0.3/src/thread/pthread/SDL_syssem.c:146
        retval = <optimized out>
        now = {tv_sec = 1430900529, tv_usec = 232033}
        ts_timeout = {tv_sec = 1430900529, tv_nsec = 232033000}
#4  0x00007f59956e2cc1 in SDL_TimerThread (_data=_data@entry=0x7f5995978ec0 <SDL_timer_data>) at /opt/SDL2-2.0.3/src/timer/SDL_timer.c:200
        data = 0x7f5995978ec0 <SDL_timer_data>
        pending = <optimized out>
        current = <optimized out>
        freelist_head = 0x0
        freelist_tail = 0x0
        tick = 2401911
        now = <optimized out>
        interval = <optimized out>
        delay = <optimized out>
#5  0x00007f59956e27ed in SDL_RunThread (data=0x25b9ef0) at /opt/SDL2-2.0.3/src/thread/SDL_thread.c:282
        args = 0x25b9ef0
        userfunc = 0x7f59956e2b90 <SDL_TimerThread>
        userdata = 0x7f5995978ec0 <SDL_timer_data>
        thread = 0x25b9bb0
        statusloc = 0x25b9bc0
#6  0x00007f599573e249 in RunThread (data=<optimized out>) at /opt/SDL2-2.0.3/src/thread/pthread/SDL_systhread.c:72
No locals.
#7  0x00007f599449b374 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#8  0x00007f5993fc327d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 5 (Thread 0x7f598c462700 (LWP 881)):
#0  0x00007f59944a2be9 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007f59944a2c84 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0
No symbol table info available.
#2  0x00007f599573e4ee in SDL_SemWait_REAL (sem=<optimized out>) at /opt/SDL2-2.0.3/src/thread/pthread/SDL_syssem.c:93
        retval = <optimized out>
#3  0x0000000000442565 in thread_save ()
No symbol table info available.
#4  0x00007f59956e27ed in SDL_RunThread (data=0x25e6200) at /opt/SDL2-2.0.3/src/thread/SDL_thread.c:282
        args = 0x25e6200
        userfunc = 0x442540 <thread_save>
        userdata = 0x25e5e70
        thread = 0x25e5ec0
        statusloc = 0x25e5ed0
#5  0x00007f599573e249 in RunThread (data=<optimized out>) at /opt/SDL2-2.0.3/src/thread/pthread/SDL_systhread.c:72
No locals.
#6  0x00007f599449b374 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#7  0x00007f5993fc327d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 4 (Thread 0x7f5986aaf700 (LWP 887)):
#0  0x000000000048ee65 in ?? ()
No symbol table info available.
#1  0x000000000049104a in thread_particle_run ()
No symbol table info available.
#2  0x00000000004927fa in thread_particles ()
No symbol table info available.
#3  0x00007f59956e27ed in SDL_RunThread (data=0x25e6990) at /opt/SDL2-2.0.3/src/thread/SDL_thread.c:282
        args = 0x25e6990
        userfunc = 0x4926d0 <thread_particles>
        userdata = 0x25e6798
        thread = 0x25e69f0
        statusloc = 0x25e6a00
#4  0x00007f599573e249 in RunThread (data=<optimized out>) at /opt/SDL2-2.0.3/src/thread/pthread/SDL_systhread.c:72
No locals.
#5  0x00007f599449b374 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007f5993fc327d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 3 (Thread 0x7f599606d780 (LWP 878)):
#0  0x000000000049ae6f in do_quad ()
No symbol table info available.
#1  0x000000000049d0c5 in ?? ()
No symbol table info available.
#2  0x00000000004da97b in ?? ()
No symbol table info available.
#3  0x00000000004c32d0 in lua_pcall ()
No symbol table info available.
#4  0x000000000048d2e9 in call_draw ()
No symbol table info available.
#5  0x000000000048d678 in on_redraw ()
No symbol table info available.
#6  0x0000000000440378 in main ()
No symbol table info available.

Thread 2 (Thread 0x7f59862ae700 (LWP 886)):
#0  0x00000000004dcd2b in ?? ()
No symbol table info available.
#1  0x00000000004c282c in lua_gettable ()
No symbol table info available.
#2  0x0000000000490b56 in ?? ()
No symbol table info available.
#3  0x00000000004da97b in ?? ()
No symbol table info available.
#4  0x00000000004c32d0 in lua_pcall ()
No symbol table info available.
#5  0x00000000004910b6 in thread_particle_run ()
No symbol table info available.
#6  0x00000000004927fa in thread_particles ()
No symbol table info available.
#7  0x00007f59956e27ed in SDL_RunThread (data=0x25e6d30) at /opt/SDL2-2.0.3/src/thread/SDL_thread.c:282
        args = 0x25e6d30
        userfunc = 0x4926d0 <thread_particles>
        userdata = 0x25e66a0
        thread = 0x46bcc60
        statusloc = 0x46bcc70
#8  0x00007f599573e249 in RunThread (data=<optimized out>) at /opt/SDL2-2.0.3/src/thread/pthread/SDL_systhread.c:72
No locals.
#9  0x00007f599449b374 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#10 0x00007f5993fc327d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7f59872b0700 (LWP 888)):
#0  0x00000000004daa05 in ?? ()
No symbol table info available.
#1  0x00000000004c32d0 in lua_pcall ()
No symbol table info available.
#2  0x00000000004910b6 in thread_particle_run ()
No symbol table info available.
#3  0x00000000004927fa in thread_particles ()
No symbol table info available.
#4  0x00007f59956e27ed in SDL_RunThread (data=0x47a31e0) at /opt/SDL2-2.0.3/src/thread/SDL_thread.c:282
        args = 0x47a31e0
        userfunc = 0x4926d0 <thread_particles>
        userdata = 0x25e6890
        thread = 0x25e6f00
        statusloc = 0x25e6f10
#5  0x00007f599573e249 in RunThread (data=<optimized out>) at /opt/SDL2-2.0.3/src/thread/pthread/SDL_systhread.c:72
No locals.
#6  0x00007f599449b374 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#7  0x00007f5993fc327d in clone () from /usr/lib/libc.so.6
No symbol table info available.