Public bug reported: Change [1] has triggered an issue with the DHCP agent. This can be reproduced as below:
- A subnet gets deleted - A dhcp port is deleted - A notification is sent to the agent - DHCP agent deletes the port from OVS without killing dnsmasq first - dnsmasq is holding a file handle to the interface still - To this many times - OVS goes nuts with [2], where traces 'added interface tap%% on port ##' happens a gazillion time pointing to the same OVS and of port. [1] https://review.openstack.org/#/c/355117/ [2] http://logs.openstack.org/74/370974/2/check/gate-tempest-dsvm-neutron-dvr-ubuntu-xenial/4d01980/logs/openvswitch/ovs-vswitchd.txt.gz ** Affects: neutron Importance: High Assignee: Kevin Benton (kevinbenton) Status: Confirmed ** Tags: l3-ipam-dhcp newton-rc-potential ** Changed in: neutron Milestone: None => newton-rc2 ** Changed in: neutron Importance: Undecided => High ** Tags added: l3-ipam-dhcp ** Tags added: newton-rc-potential ** Changed in: neutron Status: New => Confirmed ** Changed in: neutron Assignee: (unassigned) => Kevin Benton (kevinbenton) -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1624701 Title: OVS port pulled from under dnsmasq Status in neutron: Confirmed Bug description: Change [1] has triggered an issue with the DHCP agent. This can be reproduced as below: - A subnet gets deleted - A dhcp port is deleted - A notification is sent to the agent - DHCP agent deletes the port from OVS without killing dnsmasq first - dnsmasq is holding a file handle to the interface still - To this many times - OVS goes nuts with [2], where traces 'added interface tap%% on port ##' happens a gazillion time pointing to the same OVS and of port. [1] https://review.openstack.org/#/c/355117/ [2] http://logs.openstack.org/74/370974/2/check/gate-tempest-dsvm-neutron-dvr-ubuntu-xenial/4d01980/logs/openvswitch/ovs-vswitchd.txt.gz To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1624701/+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
