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Hi !

Here is the log file. First error occurs at line 117.

Thank you !

Le mer. 7 avr. 2021 à 12:04, Slawek Kaplonski <skaplons at redhat.com> a
écrit :

> Hi,
>
> Can You send me full neutron-server log? I will check if there is anything
> more there.
>
> Dnia środa, 7 kwietnia 2021 11:48:27 CEST Maxime d'Estienne pisze:
> > As Slawek Kaplonski told me, I enabled neutron debugging and I didn't
> find
> > why specific mechanism drivers are refusing to bind ports
> > on that host.
> >
> > I noticed that the VM can get an IP from DHCP, I see a link on the web
> > interface (network topology) between my physical network "provider" and
> the
> > VM. But this link disappeared when the VM crashed due to the error.
> >
> > Here are the previous DEBUG logs, just before the ERROR one.
> >
> > I don't succeed in getting more informed by these logs.
> > (/neutron/server.log)
> >
> > Thank you a lot for your time !
> > Maxime
> >
> > `2021-04-07 10:10:30.294 25623 DEBUG
> > > neutron.pecan_wsgi.hooks.policy_enforcement
> > > [req-a995e8eb-fde4-49be-b822-29f7e98b56d4
> 9c53e456ca2d4d07a4aecbf91c487cae
> > > d26b6143299a47e3a77feff04ae8b7a1 - default default] Attributes
> excluded by
> > > policy engine: ['binding:profile', 'binding:host_id',
> 'binding:vif_type',
> > > 'binding:vif_details'] _exclude_attributes_by_policy
> > >
> /usr/lib/python3/dist-packages/neutron/pecan_wsgi/hooks/policy_enforcement.py:256
> > >
> > > 2021-04-07 10:10:30.995 25626 DEBUG
> > > neutron.pecan_wsgi.hooks.policy_enforcement
> > > [req-706ad36e-31a1-4e5a-b9f6-17951ccb089a
> 9c53e456ca2d4d07a4aecbf91c487cae
> > > d26b6143299a47e3a77feff04ae8b7a1 - default default] Attributes
> excluded by
> > > policy engine: ['binding:profile', 'binding:host_id',
> 'binding:vif_type',
> > > 'binding:vif_details'] _exclude_attributes_by_policy
> > >
> /usr/lib/python3/dist-packages/neutron/pecan_wsgi/hooks/policy_enforcement.py:256
> > >
> > > 2021-04-07 10:10:31.105 25626 DEBUG
> > > neutron.pecan_wsgi.hooks.policy_enforcement
> > > [req-446ed89e-0697-4822-b69b-49b02ad9732d
> 9c53e456ca2d4d07a4aecbf91c487cae
> > > d26b6143299a47e3a77feff04ae8b7a1 - default default] Attributes
> excluded by
> > > policy engine: ['binding:profile', 'binding:host_id',
> 'binding:vif_type',
> > > 'binding:vif_details'] _exclude_attributes_by_policy
> > >
> /usr/lib/python3/dist-packages/neutron/pecan_wsgi/hooks/policy_enforcement.py:256
> > >
> > > 2021-04-07 10:10:31.328 25623 DEBUG neutron.api.v2.base
> > > [req-05e6a5c3-f5b4-45f4-8339-fbfa2a7eed8a
> b21b8901642c470b8f668965997c7922
> > > 0f23d567d2ce4599a1571d8fd5982f9a - default default] Request body:
> {'port':
> > > {'device_id': '6406a1b1-7f0b-4f8e-88dd-81dcded8299d', 'device_owner':
> > > 'compute:nova', 'binding:host_id': 'compute1'}} prepare_request_body
> > > /usr/lib/python3/dist-packages/neutron/api/v2/base.py:716
> > >
> > > 2021-04-07 10:10:31.980 25623 DEBUG neutron.plugins.ml2.managers
> > > [req-05e6a5c3-f5b4-45f4-8339-fbfa2a7eed8a
> b21b8901642c470b8f668965997c7922
> > > 0f23d567d2ce4599a1571d8fd5982f9a - default default] Attempting to bind
> port
> > > 2e702d95-34df-4b85-9206-75c28bbcb9da on host compute1 for vnic_type
> normal
> > > with profile bind_port
> > > /usr/lib/python3/dist-packages/neutron/plugins/ml2/managers.py:747
> > >
> > > 2021-04-07 10:10:31.981 25623 DEBUG neutron.plugins.ml2.managers
> > > [req-05e6a5c3-f5b4-45f4-8339-fbfa2a7eed8a
> b21b8901642c470b8f668965997c7922
> > > 0f23d567d2ce4599a1571d8fd5982f9a - default default] Attempting to bind
> port
> > > 2e702d95-34df-4b85-9206-75c28bbcb9da on host compute1 at level 0 using
> > > segments [{'id': 'a35c88a5-2234-4b2f-bab6-a5a17af42d1e',
> 'network_type':
> > > 'flat', 'physical_network': 'provider', 'segmentation_id': None,
> > > 'network_id': '45320836-f1a3-4e96-a3d8-59b95d633d1e'}] _bind_port_level
> > > /usr/lib/python3/dist-packages/neutron/plugins/ml2/managers.py:768
> > >
> > > 2021-04-07 10:10:31.981 25623 ERROR neutron.plugins.ml2.managers
> > > [req-05e6a5c3-f5b4-45f4-8339-fbfa2a7eed8a
> b21b8901642c470b8f668965997c7922
> > > 0f23d567d2ce4599a1571d8fd5982f9a - default default] Failed to bind port
> > > 2e702d95-34df-4b85-9206-75c28bbcb9da on host compute1 for vnic_type
> normal
> > > using segments [{'id': 'a35c88a5-2234-4b2f-bab6-a5a17af42d1e',
> > > 'network_type': 'flat', 'physical_network': 'provider',
> 'segmentation_id':
> > > None, 'network_id': '45320836-f1a3-4e96-a3d8-59b95d633d1e'}] `
> > >
> > >
> > Le jeu. 1 avr. 2021 à 21:36, Slawek Kaplonski <skaplons at redhat.com> a
> > écrit :
> >
> > > Hi,
> > >
> > > Dnia czwartek, 1 kwietnia 2021 14:44:21 CEST Maxime d'Estienne pisze:
> > > > Hello,
> > > >
> > > > I spent a lot of time troubleshooting my issue, which I described
> here :
> > > >
> > >
> https://serverfault.com/questions/1058969/cannot-create-an-instance-due-to-failed-binding
> > > >
> > > > To summarize, when I want to create an instance, binding fails on
> compute
> > > > node, the dhcp agent seems to give an ip to the VM but I have an
> error.
> > >
> > > What do You mean exactly? Failed binding of the port in Neutron? In
> such
> > > case
> > > nova will not boot vm so it can't get IP from DHCP.
> > >
> > > >
> > > > I don't know where to dig, besides what I have done.
> > >
> > > Please enable debug logs in neutron-server and look in its logs for the
> > > reason
> > > why it failed to bind port on specific host.
> > > Usually reason is dead L2 agent on host or mismatch in the agent's
> bridge
> > > mappings configuration in the agent.
> > >
> > > >
> > > > Thanks a lot for your help !
> > >
> > >
> > > --
> > > Slawek Kaplonski
> > > Principal Software Engineer
> > > Red Hat
> >
>
>
> --
> Slawek Kaplonski
> Principal Software Engineer
> Red Hat
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