Program core dump when using concurrency features #2043
Description
My program crashed when I used coverage and I couldn't find the reason. I specified gevent parameters.
gdb debug information:
I am using python3.6
### Omit other codes
start_lock = threading.Lock()
cover = Coverage(branch=True, data_file=".coverage", concurrency="gevent", config_file=coverage_config_file)
report_thread_started = False
### Omit other codes
def application(environ=None, start_response=None):
cover.start()
res = qcov_origin_application(environ, start_response)
global report_thread_started
if not report_thread_started:
with start_lock:
if not report_thread_started:
thread = threading.Thread(target=_cover_report, args=(cover,))
thread.setDaemon(True)
thread.start()
report_thread_started = True
return res
### Omit other codes
Package Version
-------------------------------- --------
alabaster 0.7.9
APScheduler 3.4.0
cbor 1.0.0
certifi 2024.7.4
cos-python-sdk-v5 1.7.6
coverage 6.2
dicttoxml 1.7.4
Django 1.11.16
et-xmlfile 1.0.1
gevent 22.10.2
gnureadline 6.3.8
greenlet 2.0.2
gunicorn 21.2.0
imagesize 0.7.1
importlib-metadata 4.8.3
ipython 3.2.3
jdcal 1.3
Jinja2 2.9.5
jsonschema 2.6.0
kafka-python 2.0.2
MarkupSafe 0.23
meld3 1.0.2
mysqlclient 1.4.4
openpyxl 2.4.4
packaging 21.3
peewee 2.8.5
pip 21.3.1
pyaes 1.6.1
pycrypto 2.6.1
Pygments 2.2.0
PyMySQL 0.7.10
pyparsing 3.1.4
PySocks 1.6.6
pytcestuary 2.0.3
pytz 2016.10
requests 2.13.0
setuptools 41.0.1
six 1.10.0
snowballstemmer 1.2.1
spd-gvn 1.7.6
supervisor 4.0.2
tencentcloud-sdk-python-internal 3.0.783
toml 0.9.2
typing_extensions 4.1.1
tzlocal 1.4
ujson 1.35
wheel 0.32.2
zipp 3.6.0
zope.event 4.6
zope.interface 5.5.2
gdb info:
(gdb) bt
#0 0x00007fb139f308cd in PyFrame_GetCode (frame=<error reading variable: Cannot access memory at address 0x244c8928408b4830>) at src/gevent/_compat.h:50
#1 Gevent_PyFrame_GetCode (o=<error reading variable: Cannot access memory at address 0x244c8928408b4830>) at src/gevent/_compat.h:86
#2 __pyx_f_6gevent_17_gevent_cgreenlet__extract_stack (__pyx_v_limit=<optimized out>, __pyx_v_limit@entry=10) at src/gevent/greenlet.c:6417
#3 0x00007fb139f4064d in __pyx_pf_6gevent_17_gevent_cgreenlet_8Greenlet___init__ (__pyx_v_kwargs=<optimized out>, __pyx_v_args=(<functools.partial at remote 0x7fb13985ebd8>, <method at remote 0x7fb134e13908>, (<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142))), __pyx_v_run=<optimized out>,
__pyx_v_self=<optimized out>) at src/gevent/greenlet.c:7093
#4 __pyx_pw_6gevent_17_gevent_cgreenlet_8Greenlet_1__init__ (__pyx_v_self=<optimized out>, __pyx_args=<optimized out>, __pyx_kwds=<optimized out>) at src/gevent/greenlet.c:6638
#5 0x00000000004c2149 in type_call (type=<optimized out>, type@entry=0x7fb139f56e40 <__pyx_type_6gevent_17_gevent_cgreenlet_Greenlet>,
args=args@entry=(<function at remote 0x7fb139f06400>, <functools.partial at remote 0x7fb13985ebd8>, <method at remote 0x7fb134e13908>, (<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142))), kwds=kwds@entry={}) at Objects/typeobject.c:928
#6 0x0000000000454c09 in PyObject_Call (func=func@entry=<type at remote 0x7fb139f56e40>, args=args@entry=(<function at remote 0x7fb139f06400>, <functools.partial at remote 0x7fb13985ebd8>, <method at remote 0x7fb134e13908>, (<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142))), kwargs=kwargs@entry={})
at Objects/abstract.c:2272
#7 0x000000000054b3b7 in do_call_core (kwdict={}, callargs=(<function at remote 0x7fb139f06400>, <functools.partial at remote 0x7fb13985ebd8>, <method at remote 0x7fb134e13908>, (<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142))), func=<type at remote 0x7fb139f56e40>) at Python/ceval.c:5819
#8 slp_eval_frame_value (
f=f@entry=Frame 0x7fb134eb17a8, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/pool.py, line 392, in spawn (self=<Pool(greenlets=set(), dying=set(), _empty_event=<gevent._gevent_cevent.Event at remote 0x7fb134e144c8>, size=1000, _semaphore=<gevent._gevent_c_semaphore.Semaphore at remote 0x7fb1398952b8>) at remote 0x7fb1398780f0>, args=(<function at remote 0x7fb139f06400>, <functools.partial at remote 0x7fb13985ebd8>, <method at remote 0x7fb134e13908>, (<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142))), kwargs={}), throwflag=throwflag@entry=0, retval=retval@entry=None) at Python/ceval.c:3613
#9 0x0000000000550ccc in PyEval_EvalFrameEx_slp (
f=Frame 0x7fb134eb17a8, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/pool.py, line 392, in spawn (self=<Pool(greenlets=set(), dying=set(), _empty_event=<gevent._gevent_cevent.Event at remote 0x7fb134e144c8>, size=1000, _semaphore=<gevent._gevent_c_semaphore.Semaphore at remote 0x7fb1398952b8>) at remote 0x7fb1398780f0>, args=(<function at remote 0x7fb139f06400>, <functools.partial at remote 0x7fb13985ebd8>, <method at remote 0x7fb134e13908>, (<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142))), kwargs={}), throwflag=0, retval=None) at Python/ceval.c:4344
#10 0x000000000054c066 in slp_eval_frame_value (
f=f@entry=Frame 0x24bee78, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/baseserver.py, line 208, in do_handle (self=<StreamServer(_stop_event=<gevent._gevent_cevent.Event at remote 0x7fb134e145e8>, _watcher=<gevent.libev.corecext.io at remote 0x7fb134e64ac8>, _timer=None, _handle=<functools.partial at remote 0x7fb13985ebd8>, pool=<Pool(greenlets=set(), dying=set(), _empty_event=<gevent._gevent_cevent.Event at remote 0x7fb134e144c8>, size=1000, _semaphore=<gevent._gevent_c_semaphore.Semaphore at remote 0x7fb1398952b8>) at remote 0x7fb1398780f0>, family=2, address=('127.0.0.1', 8000), socket=<_wrefsocket at remote 0x7fb139853d18>, _spawn=<method at remote 0x7fb1474d3e48>, full=<method at remote 0x7fb1357c5688>, handle=<functools.partial at remote 0x7fb13985ebd8>, delay=<float at remote 0x7fb1474b3fc0>, loop=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>, ssl_args=None, max_accept=1) at remote 0x7fb13985ff60>, args=(<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142)), s...(truncated), throwflag=throwflag@entry=0, retval=<optimized out>, retval@entry=None) at Python/ceval.c:4006
#11 0x0000000000550ccc in PyEval_EvalFrameEx_slp (
f=Frame 0x24bee78, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/baseserver.py, line 208, in do_handle (self=<StreamServer(_stop_event=<gevent._gevent_cevent.Event at remote 0x7fb134e145e8>, _watcher=<gevent.libev.corecext.io at remote 0x7fb134e64ac8>, _timer=None, _handle=<functools.partial at remote 0x7fb13985ebd8>, pool=<Pool(greenlets=set(), dying=set(), _empty_event=<gevent._gevent_cevent.Event at remote 0x7fb134e144c8>, size=1000, _semaphore=<gevent._gevent_c_semaphore.Semaphore at remote 0x7fb1398952b8>) at remote 0x7fb1398780f0>, family=2, address=('127.0.0.1', 8000), socket=<_wrefsocket at remote 0x7fb139853d18>, _spawn=<method at remote 0x7fb1474d3e48>, full=<method at remote 0x7fb1357c5688>, handle=<functools.partial at remote 0x7fb13985ebd8>, delay=<float at remote 0x7fb1474b3fc0>, loop=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>, ssl_args=None, max_accept=1) at remote 0x7fb13985ff60>, args=(<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142)), s...(truncated), throwflag=0, retval=None) at Python/ceval.c:4344
#12 0x000000000054c066 in slp_eval_frame_value (f=<optimized out>, throwflag=<optimized out>, retval=<optimized out>) at Python/ceval.c:4006
#13 0x0000000000553077 in slp_frame_dispatch (
f=f@entry=Frame 0x24bb8d8, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/baseserver.py, line 246, in _do_read (self=<StreamServer(_stop_event=<gevent._gevent_cevent.Event at remote 0x7fb134e145e8>, _watcher=<gevent.libev.corecext.io at remote 0x7fb134e64ac8>, _timer=None, _handle=<functools.partial at remote 0x7fb13985ebd8>, pool=<Pool(greenlets=set(), dying=set(), _empty_event=<gevent._gevent_cevent.Event at remote 0x7fb134e144c8>, size=1000, _semaphore=<gevent._gevent_c_semaphore.Semaphore at remote 0x7fb1398952b8>) at remote 0x7fb1398780f0>, family=2, address=('127.0.0.1', 8000), socket=<_wrefsocket at remote 0x7fb139853d18>, _spawn=<method at remote 0x7fb1474d3e48>, full=<method at remote 0x7fb1357c5688>, handle=<functools.partial at remote 0x7fb13985ebd8>, delay=<float at remote 0x7fb1474b3fc0>, loop=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>, ssl_args=None, max_accept=1) at remote 0x7fb13985ff60>, _=0, args=(<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142)...(truncated),
stopframe=stopframe@entry=Frame 0x1e5c278, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/hub.py, line 647, in run (self=<Hub(spawning_greenlet=<weakref at remote 0x7fb139872cc8>, spawn_tree_locals={}, thread_ident=140399382488896, _resolver=<Resolver(pool=<ThreadPool at remote 0x7fb1366a93c8>) at remote 0x7fb136d716d8>, _threadpool=<...>, format_context=<function at remote 0x7fb139a44048>, minimal_ident=1, NOT_ERROR=(<type at remote 0x1bbf948>, <type at remote 0x8a9860>, <type at remote 0x19e6828>, <type at remote 0x19e6478>)) at remote 0x7fb139853ef8>, loop=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>), exc=<optimized out>, exc@entry=0, retval=(<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142))) at Stackless/core/stacklesseval.c:1028
#14 0x000000000054337e in _PyFunction_FastCall (co=co@entry=0x7fb139e18780, args=<optimized out>, args@entry=0x7ffd41992a20, nargs=nargs@entry=1,
globals=globals@entry={'__name__': 'gevent.baseserver', '__doc__': 'Base class for implementing servers', '__package__': 'gevent', '__loader__': <SourceFileLoader(name='gevent.baseserver', path='/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/baseserver.py') at remote 0x7fb139e266d8>, '__spec__': <ModuleSpec(name='gevent.baseserver', loader=<...>, origin='/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/baseserver.py', loader_state=None, submodule_search_locations=None, _set_fileattr=True, _cached='/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/__pycache__/baseserver.cpython-36.pyc', _initializing=False) at remote 0x7fb139e26748>, '__file__': '/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/baseserver.py', '__cached__': '/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/__pycache__/baseserver.cpython-36.pyc', '__builtins__': {'__name__': 'builtins', '__doc__': "Built-in functions, exception...(truncated)) at Python/ceval.c:5615
#15 0x0000000000551268 in _PyFunction_FastCallDict (func=func@entry=<function at remote 0x7fb139e20ae8>, args=args@entry=0x7ffd41992a20, nargs=nargs@entry=1, kwargs=kwargs@entry=0x0) at Python/ceval.c:5727
#16 0x0000000000454fce in _PyObject_FastCallDict (func=<function at remote 0x7fb139e20ae8>, args=0x7ffd41992a20, nargs=1, kwargs=0x0) at Objects/abstract.c:2335
#17 0x00000000004551f2 in _PyObject_Call_Prepend (func=<function at remote 0x7fb139e20ae8>, obj=<optimized out>, args=(), kwargs=0x0) at Objects/abstract.c:2406
#18 0x0000000000454cb5 in PyObject_Call (func=func@entry=<method at remote 0x7fb134e2ca08>, args=args@entry=(), kwargs=kwargs@entry=0x0) at Objects/abstract.c:2272
#19 0x00007fb13aa04f92 in gevent_callback (revents=<optimized out>, c_watcher=0x7fb134e64b08, watcher=<gevent.libev.corecext.io at remote 0x7fb134e64ac8>, args=(), callback=<method at remote 0x7fb134e2ca08>, loop=0x7fb139a5bac8) at src/gevent/libev/callbacks.c:106
#20 gevent_callback_io (_loop=<optimized out>, c_watcher=0x7fb134e64b08, revents=1) at src/gevent/libev/callbacks.c:187
#21 0x00007fb13a9d76c3 in ev_invoke_pending (loop=0x7fb13aa1c560 <default_loop_struct>) at /tmp/build/gevent/deps/libev/ev.c:3770
#22 0x00007fb13aa02ae8 in ev_run () at /tmp/build/gevent/deps/libev/ev.c:4190
#23 0x00007fb13aa036c6 in __pyx_pf_6gevent_5libev_8corecext_4loop_14run (__pyx_v_once=<optimized out>, __pyx_v_nowait=<optimized out>, __pyx_v_self=0x7fb139a5bac8) at src/gevent/libev/corecext.c:9830
#24 __pyx_pw_6gevent_5libev_8corecext_4loop_15run (__pyx_v_self=__pyx_v_self@entry=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>, __pyx_args=__pyx_args@entry=(), __pyx_kwds=__pyx_kwds@entry=0x0) at src/gevent/libev/corecext.c:9786
#25 0x00007fb13a9dbdb9 in __Pyx_CyFunction_CallMethod (kw=0x0, arg=(), self=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>, func=<_cython_3_0_0a11.cython_function_or_method at remote 0x7fb13a222528>) at src/gevent/libev/corecext.c:27495
#26 __Pyx_CyFunction_CallAsMethod (kw=0x0, args=<optimized out>, func=<_cython_3_0_0a11.cython_function_or_method at remote 0x7fb13a222528>) at src/gevent/libev/corecext.c:27570
#27 __Pyx_CyFunction_CallAsMethod (func=<_cython_3_0_0a11.cython_function_or_method at remote 0x7fb13a222528>, args=<optimized out>, kw=0x0) at src/gevent/libev/corecext.c:27540
#28 0x0000000000454ebc in _PyObject_FastCallDict (func=<_cython_3_0_0a11.cython_function_or_method at remote 0x7fb13a222528>, args=0x1e5c410, nargs=1, kwargs=0x0) at Objects/abstract.c:2358
#29 0x000000000054498c in call_function (pp_stack=pp_stack@entry=0x7ffd41992dc0, oparg=oparg@entry=0, kwnames=kwnames@entry=0x0) at Python/ceval.c:5540
#30 0x0000000000549a71 in slp_eval_frame_value (
f=f@entry=Frame 0x1e5c278, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/hub.py, line 647, in run (self=<Hub(spawning_greenlet=<weakref at remote 0x7fb139872cc8>, spawn_tree_locals={}, thread_ident=140399382488896, _resolver=<Resolver(pool=<ThreadPool at remote 0x7fb1366a93c8>) at remote 0x7fb136d716d8>, _threadpool=<...>, format_context=<function at remote 0x7fb139a44048>, minimal_ident=1, NOT_ERROR=(<type at remote 0x1bbf948>, <type at remote 0x8a9860>, <type at remote 0x19e6828>, <type at remote 0x19e6478>)) at remote 0x7fb139853ef8>, loop=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>),
throwflag=throwflag@entry=0, retval=retval@entry=None) at Python/ceval.c:3529
#31 0x0000000000550ccc in PyEval_EvalFrameEx_slp (
f=Frame 0x1e5c278, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/hub.py, line 647, in run (self=<Hub(spawning_greenlet=<weakref at remote 0x7fb139872cc8>, spawn_tree_locals={}, thread_ident=140399382488896, _resolver=<Resolver(pool=<ThreadPool at remote 0x7fb1366a93c8>) at remote 0x7fb136d716d8>, _threadpool=<...>, format_context=<function at remote 0x7fb139a44048>, minimal_ident=1, NOT_ERROR=(<type at remote 0x1bbf948>, <type at remote 0x8a9860>, <type at remote 0x19e6828>, <type at remote 0x19e6478>)) at remote 0x7fb139853ef8>, loop=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>), throwflag=0,
retval=None) at Python/ceval.c:4344
#32 0x0000000000553077 in slp_frame_dispatch (
f=Frame 0x1e5c278, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/hub.py, line 647, in run (self=<Hub(spawning_greenlet=<weakref at remote 0x7fb139872cc8>, spawn_tree_locals={}, thread_ident=140399382488896, _resolver=<Resolver(pool=<ThreadPool at remote 0x7fb1366a93c8>) at remote 0x7fb136d716d8>, _threadpool=<...>, format_context=<function at remote 0x7fb139a44048>, minimal_ident=1, NOT_ERROR=(<type at remote 0x1bbf948>, <type at remote 0x8a9860>, <type at remote 0x19e6828>, <type at remote 0x19e6478>)) at remote 0x7fb139853ef8>, loop=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>),
stopframe=stopframe@entry=0x0, exc=<optimized out>, exc@entry=0, retval=None) at Stackless/core/stacklesseval.c:1028
#33 0x0000000000553340 in slp_eval_frame (
f=f@entry=Frame 0x1e5c278, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/hub.py, line 647, in run (self=<Hub(spawning_greenlet=<weakref at remote 0x7fb139872cc8>, spawn_tree_locals={}, thread_ident=140399382488896, _resolver=<Resolver(pool=<ThreadPool at remote 0x7fb1366a93c8>) at remote 0x7fb136d716d8>, _threadpool=<...>, format_context=<function at remote 0x7fb139a44048>, minimal_ident=1, NOT_ERROR=(<type at remote 0x1bbf948>, <type at remote 0x8a9860>, <type at remote 0x19e6828>, <type at remote 0x19e6478>)) at remote 0x7fb139853ef8>, loop=<gevent.libev.corecext.loop at remote 0x7fb139a5bac8>))
at Stackless/core/stacklesseval.c:384
#34 0x0000000000543437 in _PyFunction_FastCall (co=co@entry=0x7fb139fbc660, args=<optimized out>, args@entry=0x7ffd41993060, nargs=nargs@entry=1,
globals=globals@entry={'__name__': 'gevent.hub', '__doc__': '\nEvent-loop hub.\n', '__package__': 'gevent', '__loader__': <SourceFileLoader(name='gevent.hub', path='/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/hub.py') at remote 0x7fb139fad5c0>, '__spec__': <ModuleSpec(name='gevent.hub', loader=<...>, origin='/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/hub.py', loader_state=None, submodule_search_locations=None, _set_fileattr=True, _cached='/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/__pycache__/hub.cpython-36.pyc', _initializing=False) at remote 0x7fb13aa3dc50>, '__file__': '/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/hub.py', '__cached__': '/usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/__pycache__/hub.cpython-36.pyc', '__builtins__': {'__name__': 'builtins', '__doc__': "Built-in functions, exceptions, and other objects.\n\nNoteworthy: None is the `nil' object; Ellipsis ...(truncated)) at Python/ceval.c:5619
---Type <return> to continue, or q <return> to quit---
#35 0x0000000000551268 in _PyFunction_FastCallDict (func=func@entry=<function at remote 0x7fb139fc8620>, args=args@entry=0x7ffd41993060, nargs=nargs@entry=1, kwargs=kwargs@entry=0x0) at Python/ceval.c:5727
#36 0x0000000000454fce in _PyObject_FastCallDict (func=<function at remote 0x7fb139fc8620>, args=0x7ffd41993060, nargs=1, kwargs=0x0) at Objects/abstract.c:2335
#37 0x00000000004551f2 in _PyObject_Call_Prepend (func=<function at remote 0x7fb139fc8620>, obj=<optimized out>, args=(), kwargs=0x0) at Objects/abstract.c:2406
#38 0x0000000000454cb5 in PyObject_Call (func=<method at remote 0x7fb13919a508>, args=<optimized out>, kwargs=<optimized out>) at Objects/abstract.c:2272
#39 0x00007fb13a79918f in greenlet::UserGreenlet::inner_bootstrap(greenlet::refs::_OwnedGreenlet<_greenlet, &greenlet::refs::GreenletChecker>&, greenlet::refs::OwnedReference<_object, &greenlet::refs::NoOpChecker>&) () at src/greenlet/greenlet_greenlet.hpp:255
#40 0x00007fb13a79a96a in greenlet::UserGreenlet::g_initialstub(void*) () at src/greenlet/greenlet.cpp:1279
#41 0x00007fb13a79a108 in greenlet::UserGreenlet::g_switch() () at src/greenlet/greenlet.cpp:1112
#42 0x00007fb13a0150d8 in ?? ()
#43 0x00007fb13ce165e0 in ?? ()
#44 0x02d1fd6ed4ba42c4 in ?? ()
#45 0x00007fb13a248e28 in ?? ()
#46 0x00007fb139d63a20 in ?? ()
#47 0x00007fb139fc1230 in ?? ()
#48 0x4aeccff48c0e7f1d in ?? ()
#49 0x00007fb139853ef8 in ?? ()
#50 0x0000000000000000 in ?? ()
Unable to locate python frame
(gdb) frame 1
#1 Gevent_PyFrame_GetCode (
o=Frame 0x7fb134eb17a8, for file /usr/local/services/vpc_network-1.0/.venv/lib/python3.6/site-packages/gevent/pool.py, line 392, in spawn (self=<Pool(greenlets=set(), dying=set(), _empty_event=<gevent._gevent_cevent.Event at remote 0x7fb134e144c8>, size=1000, _semaphore=<gevent._gevent_c_semaphore.Semaphore at remote 0x7fb1398952b8>) at remote 0x7fb1398780f0>, args=(<function at remote 0x7fb139f06400>, <functools.partial at remote 0x7fb13985ebd8>, <method at remote 0x7fb134e13908>, (<socket at remote 0x7fb1366ad458>, ('127.0.0.1', 36142))), kwargs={})) at src/gevent/_compat.h:86
86 in src/gevent/_compat.h
(gdb) py-bt
Unable to locate python frame