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[Chuck Short <chuck.short@xxxxxxxxxxxxx>]

** Also affects: neutron/juno
   Importance: Undecided
       Status: New

** Changed in: neutron/juno
       Status: New => Fix Committed

** Changed in: neutron/juno
    Milestone: None => 2014.2.2

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https://bugs.launchpad.net/bugs/1401751

Title:
  updating ipv6 allocation pool start ip address made neutron-server
  hang

Status in OpenStack Neutron (virtual network service):
  Fix Committed
Status in neutron juno series:
  Fix Committed

Bug description:
  neutron subnet-update --allocation-pool
  start=2001:470:1f0e:cb4::20,end=2001:470:1f0e:cb4:ffff:ffff:ffff:fffe
  ipv6

  
  Dec 12 04:21:14 ci-overcloud-controller0-fm6zhh6u6uwd neutron-server: 2014-12-12 04:21:14.024 21692 DEBUG neutron.api.v2.base [req-8e0c6b88-4beb-4b43-af6a-cab2824fa90c None] Request body: {u'subnet': {u'allocation_pools': [{u'start': u'2001:470:1f0e:cb4::20', u'end': u'2001:470:1f0e:cb4:ffff:ffff:ffff:fffe'}]}} prepare_request_body /opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/api/v2/base.py:585
  Dec 12 04:21:14 ci-overcloud-controller0-fm6zhh6u6uwd neutron-server: 2014-12-12 04:21:14.055 21692 DEBUG neutron.db.db_base_plugin_v2 [req-8e0c6b88-4beb-4b43-af6a-cab2824fa90c None] Performing IP validity checks on allocation pools _validate_allocation_pools /opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/db/db_base_plugin_v2.py:639
  Dec 12 04:21:14 ci-overcloud-controller0-fm6zhh6u6uwd neutron-server: 2014-12-12 04:21:14.058 21692 DEBUG neutron.db.db_base_plugin_v2 [req-8e0c6b88-4beb-4b43-af6a-cab2824fa90c None] Checking for overlaps among allocation pools and gateway ip _validate_allocation_pools /opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/db/db_base_plugin_v2.py:675
  Dec 12 04:21:14 ci-overcloud-controller0-fm6zhh6u6uwd neutron-server: 2014-12-12 04:21:14.061 21692 DEBUG neutron.db.db_base_plugin_v2 [req-8e0c6b88-4beb-4b43-af6a-cab2824fa90c None] Rebuilding availability ranges for subnet {'ip_version': 6L, u'allocation_pools': [{u'start': u'2001:470:1f0e:cb4::20', u'end': u'2001:470:1f0e:cb4:ffff:ffff:ffff:fffe'}], 'cidr': u'2001:470:1f0e:cb4::/64', 'id': u'5579d9bb-0d03-4d8e-ba61-9b2d8842983d'} _rebuild_availability_ranges /opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/db/db_base_plugin_v2.py:262

  
   wget 162.3.121.66:9696
  --2014-12-12 04:24:18--  http://162.3.121.66:9696/
  Connecting to 162.3.121.66:9696... connected.
  HTTP request sent, awaiting response... 



  restart the neutron-server service, neutron-server got back to normal
  and other neutron command still worked, but neutron subnet-update
  allocation pool would reproduce the bug.

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