** Also affects: neutron/juno Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1382064
Title: Failure to allocate tunnel id when creating networks concurrently Status in neutron: Fix Released Status in neutron juno series: New Status in neutron kilo series: New Bug description: When multiple networks are created concurrently, the following trace is observed: WARNING neutron.plugins.ml2.drivers.helpers [req-34103ce8-b6d0-459b-9707-a24e369cf9de None] Allocate gre segment from pool failed after 10 failed attempts DEBUG neutron.context [req-2995f877-e3e6-4b32-bdae-da6295e492a1 None] Arguments dropped when creating context: {u'project_name': None, u'tenant': None} __init__ /usr/lib/python2.7/dist-packages/neutron/context.py:83 DEBUG neutron.plugins.ml2.drivers.helpers [req-3541998d-44df-468f-b65b-36504e893dfb None] Allocate gre segment from pool, attempt 1 failed with segment {'gre_id': 300L} allocate_partially_specified_segment /usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/helpers.py:138 DEBUG neutron.context [req-6dcfb91d-2c5b-4e4f-9d81-55ba381ad232 None] Arguments dropped when creating context: {u'project_name': None, u'tenant': None} __init__ /usr/lib/python2.7/dist-packages/neutron/context.py:83 ERROR neutron.api.v2.resource [req-34103ce8-b6d0-459b-9707-a24e369cf9de None] create failed TRACE neutron.api.v2.resource Traceback (most recent call last): TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/api/v2/resource.py", line 87, in resource TRACE neutron.api.v2.resource result = method(request=request, **args) TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 448, in create TRACE neutron.api.v2.resource obj = obj_creator(request.context, **kwargs) TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 497, in create_network TRACE neutron.api.v2.resource tenant_id) TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/managers.py", line 160, in create_network_segments TRACE neutron.api.v2.resource segment = self.allocate_tenant_segment(session) TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/managers.py", line 189, in allocate_tenant_segment TRACE neutron.api.v2.resource segment = driver.obj.allocate_tenant_segment(session) TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/type_tunnel.py", line 115, in allocate_tenant_segment TRACE neutron.api.v2.resource alloc = self.allocate_partially_specified_segment(session) TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/helpers.py", line 143, in allocate_partially_specified_segment TRACE neutron.api.v2.resource raise exc.NoNetworkFoundInMaximumAllowedAttempts() TRACE neutron.api.v2.resource NoNetworkFoundInMaximumAllowedAttempts: Unable to create the network. No available network found in maximum allowed attempts. TRACE neutron.api.v2.resource Additional conditions: multiserver deployment and mysql. To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1382064/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp