Thread 12 (Thread 0x7f86775f3700 (LWP 13603)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000000011a668c in std::condition_variable::wait(std::unique_lock<std::mutex>&)
    ()
#2  0x00000000009a654a in consumeTasks ()
    at /tmp/factorio-ZKDrW7/src/Map/MapGenerationHelper.cpp:117
#3  0x00000000011a6bc0 in execute_native_thread_routine ()
#4  0x00007f86ae130464 in start_thread (arg=0x7f86775f3700) at pthread_create.c:333
#5  0x00007f86ac4639df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 11 (Thread 0x7f86785f5700 (LWP 13566)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000000000e152b3 in _al_cond_wait (mutex=0x7f8658000910, cond=0x7f8658000940)
    at include/linux/allegro5/platform/aintuthr.h:81
#2  al_wait_for_event (queue=queue@entry=0x7f86580008c0, 
    ret_event=ret_event@entry=0x7f86785f4d20) at src/events.c:392
#3  0x0000000000dbe66e in _al_kcm_feed_stream (self=<optimized out>, vstream=0x1df76e0)
    at addons/audio/kcm_stream.c:687
#4  0x0000000000e340fd in thread_func_trampoline (inner=<optimized out>, 
    _outer=0x1dfd260) at src/threads.c:80
#5  0x0000000000e33e3b in thread_proc_trampoline (data=<optimized out>)
    at src/unix/uxthread.c:44
#6  0x00007f86ae130464 in start_thread (arg=0x7f86785f5700) at pthread_create.c:333
#7  0x00007f86ac4639df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7f867ac46700 (LWP 13565)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000000011a668c in std::condition_variable::wait(std::unique_lock<std::mutex>&)
    ()
#2  0x0000000000636e5e in loop () at /tmp/factorio-ZKDrW7/src/Util/WorkerThread.cpp:29
#3  0x00000000011a6bc0 in execute_native_thread_routine ()
#4  0x00007f86ae130464 in start_thread (arg=0x7f867ac46700) at pthread_create.c:333
#5  0x00007f86ac4639df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7f8689d2b700 (LWP 13564)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000000011a668c in std::condition_variable::wait(std::unique_lock<std::mutex>&)
    ()
#2  0x0000000000636e5e in loop () at /tmp/factorio-ZKDrW7/src/Util/WorkerThread.cpp:29
#3  0x00000000011a6bc0 in execute_native_thread_routine ()