[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `./gnb_cu'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00000000000002d1 in ?? ()
[Current thread is 1 (Thread 0x7fa082eb0700 (LWP 67825))]
(gdb) where
#0  0x00000000000002d1 in ?? ()
#1  0x0000000000a1439c in gnb::threads::kill_all_threads (this=0x2915cd0) at /home/lwx/compile/temcomplie/nr_hl_cu/cu/nr_hl_cu/app/build/../include/app_threads.h:589
#2  0x0000000000a097d4 in gnb::app_cntrl::deinit (this=<optimized out>) at /home/lwx/compile/temcomplie/nr_hl_cu/cu/nr_hl_cu/app/build/../src/app_cntrl.cpp:143
#3  0x0000000000a0c8fc in gnb::app_cntrl::exception_handler::on_sigterm (signal=<optimized out>) at /home/lwx/compile/temcomplie/nr_hl_cu/cu/nr_hl_cu/app/build/../../include/app_cntrl.h:216
#4  <signal handler called>
#5  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#6  0x00000000009d2f73 in ngp::message_queue<ngp::message>::wait_for_queue_not_empty (timeout_sec=-1, timeout_msec=0, this=0x2a77288)
    at /home/lwx/compile/temcomplie/nr_hl_cu/cu/nr_hl_cu/app/build/../../../../ngp/include/ngp_message_queue.h:299
#7  ngp::message_queue<ngp::message>::get_from_queue (timeout_sec=-1, timeout_msec=0, this=0x2a77288) at /home/lwx/compile/temcomplie/nr_hl_cu/cu/nr_hl_cu/app/build/../../../../ngp/include/ngp_message_queue.h:363
#8  ngp::comm_thread::run (this=0x2a77230) at /home/lwx/compile/temcomplie/nr_hl_cu/cu/nr_hl_cu/app/build/../../../../ngp/include/ngp_comm_thread.h:232
#9  0x0000000000c99937 in ngp::thread_entry_function (param=0x2a77230) at /home/lwx/compile/temcomplie/nr_hl_cu/ngp/thread/build/../src/ngp_sys_thread.cpp:110
#10 ngp::thread_start (param=0x2a77230) at /home/lwx/compile/temcomplie/nr_hl_cu/ngp/thread/build/../src/ngp_sys_thread.cpp:123
#11 0x00007fa0a13086ba in start_thread (arg=0x7fa082eb0700) at pthread_create.c:333
#12 0x00007fa0a103e41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
(gdb)