OpenStack Compute (nova)

nova-compute "Exception ignored in: function _after_fork" in logs

Bug #1910837 reported by Satish Patel
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
OpenStack Compute (nova)
Invalid
Undecided
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Bug Description

Just deployed openstack victoria on Ubuntu 20.04 using openstack-ansible. everything looks good i am able to spin up VM etc. but seeing strange error in nova-compute logs and its periodically constantly throwing exception error.

** Full log file: http://paste.openstack.org/show/801529/

Jan 09 04:19:34 compute01 nova-compute[31096]: Exception ignored in: <function _after_fork at 0x7f45a7232670>
Jan 09 04:19:34 compute01 nova-compute[31096]: Traceback (most recent call last):
Jan 09 04:19:34 compute01 nova-compute[31096]: File "/usr/lib/python3.8/threading.py", line 1454, in _after_fork
Jan 09 04:19:34 compute01 nova-compute[31096]: assert len(_active) == 1
Jan 09 04:19:34 compute01 nova-compute[31096]: AssertionError:
Jan 09 04:19:34 compute01 nova-compute[31099]: Exception ignored in: <function _after_fork at 0x7f45a7232670>
Jan 09 04:19:34 compute01 nova-compute[31099]: Traceback (most recent call last):
Jan 09 04:19:34 compute01 nova-compute[31099]: File "/usr/lib/python3.8/threading.py", line 1454, in _after_fork
Jan 09 04:19:34 compute01 nova-compute[31099]: assert len(_active) == 1
Jan 09 04:19:34 compute01 nova-compute[31099]: AssertionError:
Jan 09 04:19:34 compute01 nova-compute[31102]: Exception ignored in: <function _after_fork at 0x7f45a7232670>
Jan 09 04:19:34 compute01 nova-compute[31102]: Traceback (most recent call last):
Jan 09 04:19:34 compute01 nova-compute[31102]: File "/usr/lib/python3.8/threading.py", line 1454, in _after_fork
Jan 09 04:19:34 compute01 nova-compute[31102]: assert len(_active) == 1
Jan 09 04:19:34 compute01 nova-compute[31102]: AssertionError:
Jan 09 04:19:34 compute01 nova-compute[31105]: Exception ignored in: <function _after_fork at 0x7f45a7232670>
Jan 09 04:19:34 compute01 nova-compute[31105]: Traceback (most recent call last):
Jan 09 04:19:34 compute01 nova-compute[31105]: File "/usr/lib/python3.8/threading.py", line 1454, in _after_fork
Jan 09 04:19:34 compute01 nova-compute[31105]: assert len(_active) == 1
Jan 09 04:19:34 compute01 nova-compute[31105]: AssertionError:

Revision history for this message
Satish Patel (satish-txt) wrote :

These error disappeared after upgrading Ubuntu OS using "apt-get upgrade"

We can close this issue.

Changed in nova:
status: New → Opinion
assignee: nobody → Satish Patel (satish-txt)
assignee: Satish Patel (satish-txt) → nobody
status: Opinion → In Progress
Satish Patel (satish-txt)
Changed in nova:
status: In Progress → Invalid
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