stuck-uwsgi-app

(gdb) t a a bt

Thread 2 (Thread 0x2b6702686700 (LWP 17974)):
#0  0x00002b66fd81b6b3 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00002b66fd0893fd in time_sleep.53117 () from /usr/lib/libpython2.7.so.1.0
#2  0x00002b66fd0955d5 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#3  0x00002b66fd0556b5 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#4  0x00002b66fd095650 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#5  0x00002b66fd0556b5 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#6  0x00002b66fd095650 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#7  0x00002b66fd0556b5 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#8  0x00002b66fd055970 in function_call () from /usr/lib/libpython2.7.so.1.0
#9  0x00002b66fd13a083 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x2b66fb87da40 (LWP 17337)):
#0  0x00002b66fd822a03 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000004601b3 in event_queue_wait ()
#2  0x000000000041fe4e in wsgi_req_accept ()
#3  0x0000000000468e86 in simple_loop_run ()
#4  0x000000000046d382 in uwsgi_ignition ()
#5  0x0000000000471c8f in uwsgi_worker_run ()
#6  0x0000000000472196 in uwsgi_run ()
#7  0x000000000041edfe in main ()
(gdb) py-bt
#2 (unable to read python frame information)
#4 (unable to read python frame information)
#6 (unable to read python frame information)