Thread 8 (Thread 0x7f4d91327700 (LWP 23744)):
#0  0x00007f4dbb3bec93 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4dbbad2b15 in apr_sleep (t=t@entry=1000000) at time/unix/time.c:246
#2  0x00007f4dacc8927b in wsgi_deadlock_thread (thd=<optimized out>, data=<optimized out>) at src/server/mod_wsgi.c:8905
#3  0x00007f4dbb89273a in start_thread (arg=0x7f4d91327700) at pthread_create.c:333
#4  0x00007f4dbb3c8e7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7f4d92329700 (LWP 23742)):
#0  0x00007f4dbb3bec93 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4dabc9cf5b in time_sleep () from /usr/lib64/python2.7/lib-dynload/timemodule.so
#2  0x00007f4dac9acc57 in call_function (oparg=<optimized out>, pp_stack=0x7f4d923281b8) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4429
#3  PyEval_EvalFrameEx (f=f@entry=Frame 0x7f4d92759a28, for file /usr/lib/python2.7/site-packages/gofer/messaging/consumer.py, line 104, in read (), 
    throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#4  0x00007f4dac9acbbe in fast_function (nk=0, na=<optimized out>, n=<optimized out>, pp_stack=0x7f4d923282f8, func=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4514
#5  call_function (oparg=<optimized out>, pp_stack=0x7f4d923282f8) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4449
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#6  PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#7  0x00007f4dac9b05ec in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, 
    kws=0x7f4dbcc78068, kwcount=0, defs=0x0, defcount=0, closure=0x0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3661
#8  0x00007f4dac934688 in function_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#9  0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#10 0x00007f4dac9aaba3 in ext_do_call (nk=<optimized out>, na=0, flags=<optimized out>, pp_stack=0x7f4d923285a0, func=<function at remote 0x7f4da542e848>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4743
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#11 PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3102
#12 0x00007f4dac9b05ec in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, 
    kws=0x7f4d84000ab0, kwcount=0, defs=0x0, defcount=0, closure=(<cell at remote 0x7f4da5422408>,)) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3661
#13 0x00007f4dac9acb1c in fast_function (nk=0, na=<optimized out>, n=<optimized out>, pp_stack=0x7f4d92328798, func=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4524
#14 call_function (oparg=<optimized out>, pp_stack=0x7f4d92328798) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4449
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#15 PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#16 0x00007f4dac9acbbe in fast_function (nk=0, na=<optimized out>, n=<optimized out>, pp_stack=0x7f4d923288d8, func=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4514
#17 call_function (oparg=<optimized out>, pp_stack=0x7f4d923288d8) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4449
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#18 PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#19 0x00007f4dac9b05ec in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, kws=0x0, 
    kwcount=0, defs=0x0, defcount=0, closure=0x0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3661
#20 0x00007f4dac9344de in function_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#21 0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#22 0x00007f4dac94c8de in instancemethod_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#23 0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#24 0x00007f4dac9a66d7 in PyEval_CallObjectWithKeywords (func=<instancemethod at remote 0x7f4d938a6910>, arg=(), kw=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4298
#25 0x00007f4dac972042 in t_bootstrap () from /usr/lib64/libpython2.7.so.1.0
#26 0x00007f4dbb89273a in start_thread (arg=0x7f4d92329700) at pthread_create.c:333
#27 0x00007f4dbb3c8e7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7f4d90b26700 (LWP 23745)):
#0  0x00007f4dbb3c9473 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4dbbacd917 in impl_pollset_poll (pollset=0x7f4d74000960, timeout=<optimized out>, num=0x7f4d90b25cfc, descriptors=0x7f4d90b25d18)
    at poll/unix/epoll.c:267
#2  0x00007f4dacc925a0 in wsgi_daemon_worker (thread=<optimized out>, p=<optimized out>) at src/server/mod_wsgi.c:8699
#3  wsgi_daemon_thread (thd=<optimized out>, data=<optimized out>) at src/server/mod_wsgi.c:8865
#4  0x00007f4dbb89273a in start_thread (arg=0x7f4d90b26700) at pthread_create.c:333
#5  0x00007f4dbb3c8e7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7f4da3e42700 (LWP 23648)):
#0  0x00007f4dbb89a966 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x561fba243900)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  do_futex_wait (sem=sem@entry=0x561fba243900, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007f4dbb89aa14 in __new_sem_wait_slow (sem=0x561fba243900, abstime=0x0) at sem_waitcommon.c:181
#3  0x00007f4dbb89aaba in __new_sem_wait (sem=<optimized out>) at sem_wait.c:29
#4  0x00007f4dac8d6484 in PyThread_acquire_lock () from /usr/lib64/libpython2.7.so.1.0
#5  0x00007f4dac9a5ff6 in PyEval_RestoreThread (tstate=0x561fba8c8c70) at /usr/src/debug/Python-2.7.13/Python/ceval.c:381
#6  0x00007f4dabc9cf67 in time_sleep () from /usr/lib64/python2.7/lib-dynload/timemodule.so
#7  0x00007f4dac9acc57 in call_function (oparg=<optimized out>, pp_stack=0x7f4da3e413b8) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4429
#8  PyEval_EvalFrameEx (f=f@entry=Frame 0x7f4da466e3e0, for file /usr/lib64/python2.7/site-packages/pymongo/periodic_executor.py, line 103, in _run (), 
    throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#9  0x00007f4dac9b05ec in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, 
    kws=0x7f4dbcc78068, kwcount=0, defs=0x0, defcount=0, closure=0x0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3661
#10 0x00007f4dac934688 in function_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#11 0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#12 0x00007f4dac9aaba3 in ext_do_call (nk=<optimized out>, na=1, flags=<optimized out>, pp_stack=0x7f4da3e41660, func=<function at remote 0x7f4da825dc08>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4743
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#13 PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3102
#14 0x00007f4dac9acbbe in fast_function (nk=0, na=<optimized out>, n=<optimized out>, pp_stack=0x7f4da3e41798, func=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4514
#15 call_function (oparg=<optimized out>, pp_stack=0x7f4da3e41798) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4449
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#16 PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#17 0x00007f4dac9acbbe in fast_function (nk=0, na=<optimized out>, n=<optimized out>, pp_stack=0x7f4da3e418d8, func=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4514
#18 call_function (oparg=<optimized out>, pp_stack=0x7f4da3e418d8) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4449
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#19 PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#20 0x00007f4dac9b05ec in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, kws=0x0, 
    kwcount=0, defs=0x0, defcount=0, closure=0x0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3661
#21 0x00007f4dac9344de in function_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#22 0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#23 0x00007f4dac94c8de in instancemethod_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#24 0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#25 0x00007f4dac9a66d7 in PyEval_CallObjectWithKeywords (func=<instancemethod at remote 0x7f4da4720e10>, arg=(), kw=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4298
#26 0x00007f4dac972042 in t_bootstrap () from /usr/lib64/libpython2.7.so.1.0
#27 0x00007f4dbb89273a in start_thread (arg=0x7f4da3e42700) at pthread_create.c:333
#28 0x00007f4dbb3c8e7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7f4d91b28700 (LWP 23743)):
#0  0x00007f4dbb3bec93 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4dbbad2b15 in apr_sleep (t=t@entry=299996148) at time/unix/time.c:246
#2  0x00007f4dacc8660d in wsgi_monitor_thread (thd=<optimized out>, data=0x561fba15db10) at src/server/mod_wsgi.c:9172
#3  0x00007f4dbb89273a in start_thread (arg=0x7f4d91b28700) at pthread_create.c:333
#4  0x00007f4dbb3c8e7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7f4d73fff700 (LWP 23857)):
#0  0x00007f4dbb38d84d in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4dbb38d79a in __sleep (seconds=0) at ../sysdeps/posix/sleep.c:55
#2  0x00007f4dacc89805 in wsgi_reaper_thread (thd=<optimized out>, data=0x561fba15db10) at src/server/mod_wsgi.c:8876
#3  0x00007f4dbb89273a in start_thread (arg=0x7f4d73fff700) at pthread_create.c:333
#4  0x00007f4dbb3c8e7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f4dbcd4a8c0 (LWP 23483)):
#0  0x00007f4dbb89ad49 in futex_wake (private=<optimized out>, processes_to_wake=1, futex_word=0x561fba243900) at ../sysdeps/unix/sysv/linux/futex-internal.h:231
#1  __new_sem_post (sem=0x561fba243900) at sem_post.c:57
#2  0x00007f4dac8d6459 in PyThread_release_lock () from /usr/lib64/libpython2.7.so.1.0
#3  0x00007f4dac9a5fa1 in PyEval_SaveThread () at /usr/src/debug/Python-2.7.13/Python/ceval.c:368
#4  0x00007f4da0410423 in util_curl_close (self=self@entry=0x561fbae5bac0) at src/easy.c:377
#5  0x00007f4da0410644 in do_curl_dealloc (self=0x561fbae5bac0) at src/easy.c:417
#6  0x00007f4dac9120bd in PyDict_SetItem () from /usr/lib64/libpython2.7.so.1.0
#7  0x00007f4dac905fb7 in _PyModule_Clear () from /usr/lib64/libpython2.7.so.1.0
#8  0x00007f4dac95218c in PyImport_Cleanup () from /usr/lib64/libpython2.7.so.1.0
#9  0x00007f4dac89bb4f in Py_EndInterpreter () from /usr/lib64/libpython2.7.so.1.0
#10 0x00007f4dacc80508 in Interpreter_dealloc (self=0x7f4dabf8f660) at src/server/wsgi_interp.c:1841
#11 0x00007f4dac90de93 in PyDict_Clear () from /usr/lib64/libpython2.7.so.1.0
#12 0x00007f4dacc896b6 in wsgi_python_child_cleanup (data=<optimized out>) at src/server/mod_wsgi.c:4201
#13 0x00007f4dbbac6f6e in run_cleanups (cref=<optimized out>) at memory/unix/apr_pools.c:2629
#14 apr_pool_destroy (pool=0x561fba17dbc8) at memory/unix/apr_pools.c:1000
#15 0x00007f4dacc9566e in wsgi_start_process (p=<optimized out>, daemon=<optimized out>) at src/server/mod_wsgi.c:10178
#16 0x00007f4dacc9697c in wsgi_start_daemons (p=p@entry=0x561fba052188) at src/server/mod_wsgi.c:10379
#17 0x00007f4dacc97290 in wsgi_hook_init (pconf=0x561fba052188, ptemp=<optimized out>, plog=<optimized out>, s=0x561fba1450d0) at src/server/mod_wsgi.c:13028
#18 0x0000561fb9881de3 in ap_run_post_config (pconf=0x561fba052188, plog=0x561fba07f3a8, ptemp=0x561fba0d5a68, s=0x561fba1450d0) at config.c:103
#19 0x0000561fb985e2d2 in main (argc=<optimized out>, argv=<optimized out>) at main.c:780

Thread 1 (Thread 0x7f4da4643700 (LWP 23647)):
#0  0x00007f4dac901740 in _PyTrash_thread_destroy_chain () from /usr/lib64/libpython2.7.so.1.0
#1  0x00007f4dac9aca93 in call_function (oparg=<optimized out>, pp_stack=0x7f4da46423b8) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4431
#2  PyEval_EvalFrameEx (f=f@entry=Frame 0x7f4da466e050, for file /usr/lib64/python2.7/site-packages/pymongo/periodic_executor.py, line 103, in _run (), 
    throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#3  0x00007f4dac9b05ec in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, 
    kws=0x7f4dbcc78068, kwcount=0, defs=0x0, defcount=0, closure=0x0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3661
#4  0x00007f4dac934688 in function_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#5  0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#6  0x00007f4dac9aaba3 in ext_do_call (nk=<optimized out>, na=1, flags=<optimized out>, pp_stack=0x7f4da4642660, func=<function at remote 0x7f4da825dc08>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4743
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#7  PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3102
#8  0x00007f4dac9acbbe in fast_function (nk=0, na=<optimized out>, n=<optimized out>, pp_stack=0x7f4da4642798, func=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4514
#9  call_function (oparg=<optimized out>, pp_stack=0x7f4da4642798) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4449
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#10 PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#11 0x00007f4dac9acbbe in fast_function (nk=0, na=<optimized out>, n=<optimized out>, pp_stack=0x7f4da46428d8, func=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4514
#12 call_function (oparg=<optimized out>, pp_stack=0x7f4da46428d8) at /usr/src/debug/Python-2.7.13/Python/ceval.c:4449
Python Exception <class 'gdb.error'> There is no member named ob_ival.: 
#13 PyEval_EvalFrameEx (f=f@entry=, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3063
#14 0x00007f4dac9b05ec in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, kws=0x0, 
    kwcount=0, defs=0x0, defcount=0, closure=0x0) at /usr/src/debug/Python-2.7.13/Python/ceval.c:3661
#15 0x00007f4dac9344de in function_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#16 0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#17 0x00007f4dac94c8de in instancemethod_call.lto_priv () from /usr/lib64/libpython2.7.so.1.0
#18 0x00007f4dac95d0b3 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#19 0x00007f4dac9a66d7 in PyEval_CallObjectWithKeywords (func=<instancemethod at remote 0x7f4da4720c30>, arg=(), kw=<optimized out>)
    at /usr/src/debug/Python-2.7.13/Python/ceval.c:4298
#20 0x00007f4dac972042 in t_bootstrap () from /usr/lib64/libpython2.7.so.1.0
#21 0x00007f4dbb89273a in start_thread (arg=0x7f4da4643700) at pthread_create.c:333
#22 0x00007f4dbb3c8e7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97