assert len(_active) == 1 in _after_fork
Bug #1821307 reported by
Attila Fazekas
This bug affects 4 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
oslo.service |
New
|
Undecided
|
Unassigned |
Bug Description
When you directly start for ex. g-api, n-cpu, c-api:
Exception ignored in: <function _after_fork at 0x7f666969e620>
Traceback (most recent call last):
File "/usr/lib64/
assert len(_active) == 1
AssertionError:
The message usually does not appears either in journal or in the service log,
but it is visible on the console.
Python 3.7.2
No direct evidence for it is the root cause for another issue,
but might be related.
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➜ nova git:(master) tox -e py37 nova.tests. functional. test_servers inst-nodeps: /home/steveguan /code/Openstack /nova =1.3.1, amqp==2. 5.2,appdirs= =1.4.3, attrs== 19.3.0, automaton= =1.17.0, Babel== 2.7.0,bandit= =1.6.2, bcrypt= =3.1.7, cachetools= =3.1.1, castellan= =1.4.0, certifi= =2019.11. 28,cffi= =1.13.2, chardet= =3.0.4, cliff== 2.16.0, cmd2==0. 8.9,colorama= =0.4.1, coverage= =4.5.4, cryptography= =2.8,cursive= =0.2.2, ddt==1. 2.2,debtcollect or==1.22. 0,decorator= =4.4.1, dnspython= =1.15.0, dogpile. cache== 0.9.0,eventlet= =0.25.1, extras= =1.0.0, fasteners= =0.14.1, fixtures= =3.0.0, flake8= =2.6.2, future= =0.18.2, futurist= =1.10.0, gabbi== 1.49.0, gitdb2= =2.0.6, GitPython= =3.0.5, greenlet= =0.4.15, hacking= =1.1.0, idna==2. 8,importlib- metadata= =1.1.0, iso8601= =0.1.12, Jinja2= =2.10.3, jmespath= =0.9.4, jsonpatch= =1.24,jsonpath- rw==1.4. 0,jsonpath- rw-ext= =1.2.2, jsonpointer= =2.0,jsonschema ==3.2.0, keystoneauth1= =3.18.0, keystonemiddlew are==7. 0.1,kombu= =4.6.6, linecache2= =1.0.0, lxml==4. 4.2,Mako= =1.1.0, MarkupSafe= =1.1.1, mccabe= =0.5.3, microversion- parse== 0.2.1,mock= =3.0.5, monotonic= =1.5,more- itertools= =8.0.0, mox3==0. 28.0,msgpack= =0.6.2, munch== 2.5.0,netaddr= =0.7.19, netifaces= =0.10.9, networkx= =2.4,-e git+https:/ /github. com/openstack/ nova.git@ 2f31c8d1b97c2b6 4581d8f824b6547 f93dfd94fb# egg=nova, numpy== 1.17.4, openstacksdk= =0.38.0, os-brick= =2.10.0, os-client- config= =1.33.0, os-resource- classes= =0.5.0, os-service- types== 1.7.0,os- traits= =2.0.0, os-vif= =1.17.0, os-win= =4.3.2, os-xenapi= =0.3.4, osc-lib= =1.14.1, oslo.cache= =1.38.0, oslo.concurrenc y==3.31. 0,oslo. config= =6.12.0, oslo.context= =2.23.0, oslo.db= =5.0.2, oslo.i18n= =3.25.0, oslo.log= =3.45.0, oslo.messaging= =10.4.0, oslo.middleware ==3.38. 1,oslo. policy= =2.4.0, oslo.privsep= =1.33.3, oslo.reports= =1.30.0, oslo.rootwrap= =5.16.1, oslo.serializat ion==2. 29.2,oslo. service= =1.40.2, oslo.upgradeche ck==0.3. 2,oslo. utils== 3.42.1, oslo.versionedo bjects= =1.36.1, oslo.vmware= =2.34.1, oslotest= =3.8.1, osprofiler= =2.9.0, ovs==2. 11.0,ovsdbapp= =0.18.0, packaging= =19.2,paramiko= =2.6.0, Paste== 3.2.3,PasteDepl oy==2.0. 1,pbr== 5.4.4,pluggy= =0.13.1, ply==3. 11,prettytable= =0.7.2, psutil= =5.6.7, psycopg2= =2.8.4, py==1.8. 0,pyasn1= =0.4.8, pyasn1- modules= =0.2.7, pycadf= =2.10.0, pycodestyle= =2.5.0, pycparser= =2.19,pydot= =1.4.1, pyflakes= =1.2.3, pyinotify= =0.9.6, PyJWT== 1.7.1,PyMySQL= =0.9.3, PyNaCl= =1.3.0, pyOpenSSL= =19.1.0, pyparsing= =2.4.5, pyperclip= =1.7.0, pypowervm= =1.1.24, pyroute2= =0.5.7, pyrsistent= =0.15.6, pytest= =5.3.1, python- barbicanclient= =4.9.0, python- cinderclient= =5.0.0, python- dateutil= =2.8.1, python- editor= =1.0.4, python- glanceclient= =2.17.0, python- ironicclient= =3.1.0, python- keystoneclient= =3.22.0, python- mimeparse= =1.6.0, python- neutronclient= =6.14.0, python- subunit= =1.3.0, pytz==2019. 3,PyYAML= =5.2,repoze. lru==0. 7,requests= =2.22.0, requests- mock==1. 6.0,requestsexc eptions= =1.4.0, retrying= =1.3.3, rfc3986= =1.3.2, Routes= =2.4.1, simplejson= =3.17.0, six==1. 13.0,smmap2= =2.0.5, sortedcontainer s==2.1. 0,SQLAlchemy= =1.3.11, sqlalchemy- migrate= =0.13.0, sqlparse= =0.3.0, statsd= =3.3.0, stestr= =2.5.1, stevedore= =1.31.0, suds-jurko= =0.6,taskflow= =3.8.0, Tempita= =0.5.2, tenacity= =6.0.0, testresources= =2.0.1, testscenarios= =0.5.0, testtools= =2.3.0, tooz==1. 67.0,traceback2 ==1.4.0, unittest2= =1.1.0, urllib3= =1.25.7, vine==1. 3.0,vo...
py37 develop-
py37 installed: alembic=