Public bug reported:
With latest eventlet bump to 0.38.2 with
https://review.opendev.org/c/openstack/requirements/+/933257 rally ovn
job timing out[1] and blocking neutron gate.
>From logs seeing couple of errors like:-
RuntimeError: Second simultaneous write on fileno 9 detected. Unless you
really know what you're doing, make sure that only one greenthread can write
any particular socket. Consider using a pools.Pool. If you do know what you're
doing and want to disable this error, call
eventlet.debug.hub_prevent_multiple_readers(False) - MY THREAD=<built-in method
switch of GreenThread object at 0x76e6b4b9f4c0>; THAT
THREAD=FdListener('write', 9, <built-in method switch of GreenThread object at
0x76e6af781e80>, <built-in method throw of GreenThread object at
0x76e6af781e80>)
and
ovsdbapp.exceptions.TimeoutException: Commands
[DeleteLRouterExtGwCommand(_result=None,
lrouter=neutron-99811269-9e53-4e73-85c2-4f5f8113cf70, if_exists=True,
maintain_bfd=True), LrDelCommand(_result=None,
router=neutron-99811269-9e53-4e73-85c2-4f5f8113cf70, if_exists=True)] exceeded
timeout 180 seconds, cause: TXN queue is full
[1] https://zuul.opendev.org/t/openstack/builds?job_name=neutron-ovn-
rally-task&project=openstack%2Fneutron&result=TIMED_OUT&skip=0
** Affects: neutron
Importance: Critical
Status: Confirmed
** Tags: ovn
** Changed in: neutron
Status: New => Confirmed
** Changed in: neutron
Importance: Undecided => Critical
** Tags added: ovn
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https://bugs.launchpad.net/bugs/2094970
Title:
rally ovn job timing out with eventlet 0.38.2
Status in neutron:
Confirmed
Bug description:
With latest eventlet bump to 0.38.2 with
https://review.opendev.org/c/openstack/requirements/+/933257 rally ovn
job timing out[1] and blocking neutron gate.
From logs seeing couple of errors like:-
RuntimeError: Second simultaneous write on fileno 9 detected. Unless you
really know what you're doing, make sure that only one greenthread can write
any particular socket. Consider using a pools.Pool. If you do know what you're
doing and want to disable this error, call
eventlet.debug.hub_prevent_multiple_readers(False) - MY THREAD=<built-in method
switch of GreenThread object at 0x76e6b4b9f4c0>; THAT
THREAD=FdListener('write', 9, <built-in method switch of GreenThread object at
0x76e6af781e80>, <built-in method throw of GreenThread object at
0x76e6af781e80>)
and
ovsdbapp.exceptions.TimeoutException: Commands
[DeleteLRouterExtGwCommand(_result=None,
lrouter=neutron-99811269-9e53-4e73-85c2-4f5f8113cf70, if_exists=True,
maintain_bfd=True), LrDelCommand(_result=None,
router=neutron-99811269-9e53-4e73-85c2-4f5f8113cf70, if_exists=True)] exceeded
timeout 180 seconds, cause: TXN queue is full
[1] https://zuul.opendev.org/t/openstack/builds?job_name=neutron-ovn-
rally-task&project=openstack%2Fneutron&result=TIMED_OUT&skip=0
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