[New Thread 7116]
Core was generated by `nginx: worker pr'.
Program terminated with signal 6, Aborted.
#0  0x00007f335ba6ea75 in raise () from /lib/libc.so.6
#0  0x00007f335ba6ea75 in raise () from /lib/libc.so.6
#1  0x00007f335ba725c0 in abort () from /lib/libc.so.6
#2  0x00000000004327b6 in ngx_debug_point () at src/os/unix/ngx_process.c:564
#3  0x0000000000435ca2 in ngx_worker_process_exit (cycle=0xf51c30) at src/os/unix/ngx_process_cycle.c:1039
#4  0x0000000000435144 in ngx_worker_process_cycle (cycle=0xf51c30, data=0x0) at src/os/unix/ngx_process_cycle.c:789
#5  0x0000000000431c52 in ngx_spawn_process (cycle=0xf51c30, proc=0x434faa <ngx_worker_process_cycle>, data=0x0, name=0x4c4fd3 "worker process", respawn=-4) at src/os/unix/ngx_process.c:196
#6  0x0000000000433fde in ngx_start_worker_processes (cycle=0xf51c30, n=8, type=-4) at src/os/unix/ngx_process_cycle.c:355
#7  0x0000000000433b9e in ngx_master_process_cycle (cycle=0xf51c30) at src/os/unix/ngx_process_cycle.c:249
#8  0x0000000000405bad in main (argc=1, argv=0x7fffdb4406b8) at src/core/nginx.c:401