It seems vif_type='tap' is just broken with libvirt so it's not safe to
use. There isn't anything we can do on the Neutron side to fix this
other than suggest plugins not use that vif_type until a fix is found in
libvirt.
** Changed in: neutron
Status: New => Opinion
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https://bugs.launchpad.net/bugs/1696125
Title:
Detach interface failed - timeout waiting to detach tap device in
linuxbridge job (pike)
Status in neutron:
Opinion
Status in OpenStack Compute (nova):
Confirmed
Bug description:
Seeing this in Tempest runs on master (pike):
http://logs.openstack.org/24/471024/2/check/gate-tempest-dsvm-neutron-
linuxbridge-ubuntu-
xenial/6b98d38/logs/screen-n-cpu.txt.gz?level=TRACE#_Jun_06_02_16_02_855503
Jun 06 02:16:02.855503 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
WARNING nova.compute.manager [None req-b4a50024-a2fd-4279-b284-340d2074f1c1
tempest-TestNetworkBasicOps-1479445685 tempest-TestNetworkBasicOps-1479445685]
[instance: 2668bcb9-b13d-4b5b-8ee5-edbdee3b15a8] Detach interface failed,
port_id=3843caa3-ab04-45f1-94d8-f330390e40fe, reason: Device detach failed for
fa:16:3e:ab:e3:3f: Unable to detach from guest transient domain.:
DeviceDetachFailed: Device detach failed for fa:16:3e:ab:e3:3f: Unable to
detach from guest transient domain.
Jun 06 02:16:02.884007 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server [None req-b4a50024-a2fd-4279-b284-340d2074f1c1
tempest-TestNetworkBasicOps-1479445685 tempest-TestNetworkBasicOps-1479445685]
Exception during message handling: InterfaceDetachFailed: Failed to detach
network adapter device from 2668bcb9-b13d-4b5b-8ee5-edbdee3b15a8
Jun 06 02:16:02.884180 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server Traceback (most recent call last):
Jun 06 02:16:02.884286 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line
157, in _process_incoming
Jun 06 02:16:02.884395 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server res = self.dispatcher.dispatch(message)
Jun 06 02:16:02.884538 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
213, in dispatch
Jun 06 02:16:02.884669 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server return self._do_dispatch(endpoint, method,
ctxt, args)
Jun 06 02:16:02.884777 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
183, in _do_dispatch
Jun 06 02:16:02.884869 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server result = func(ctxt, **new_args)
Jun 06 02:16:02.884968 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/opt/stack/new/nova/nova/exception_wrapper.py", line 77, in wrapped
Jun 06 02:16:02.885069 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server function_name, call_dict, binary)
Jun 06 02:16:02.885171 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in
__exit__
Jun 06 02:16:02.885272 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server self.force_reraise()
Jun 06 02:16:02.885367 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
Jun 06 02:16:02.885461 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server six.reraise(self.type_, self.value, self.tb)
Jun 06 02:16:02.885554 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/opt/stack/new/nova/nova/exception_wrapper.py", line 68, in wrapped
Jun 06 02:16:02.885649 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server return f(self, context, *args, **kw)
Jun 06 02:16:02.885755 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/opt/stack/new/nova/nova/compute/manager.py", line 214, in decorated_function
Jun 06 02:16:02.885856 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server kwargs['instance'], e, sys.exc_info())
Jun 06 02:16:02.885950 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in
__exit__
Jun 06 02:16:02.886053 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server self.force_reraise()
Jun 06 02:16:02.886143 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
Jun 06 02:16:02.886232 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server six.reraise(self.type_, self.value, self.tb)
Jun 06 02:16:02.886322 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/opt/stack/new/nova/nova/compute/manager.py", line 202, in decorated_function
Jun 06 02:16:02.886415 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server return function(self, context, *args,
**kwargs)
Jun 06 02:16:02.886505 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server File
"/opt/stack/new/nova/nova/compute/manager.py", line 5224, in detach_interface
Jun 06 02:16:02.886601 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server raise
exception.InterfaceDetachFailed(instance_uuid=instance.uuid)
Jun 06 02:16:02.886695 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server InterfaceDetachFailed: Failed to detach network
adapter device from 2668bcb9-b13d-4b5b-8ee5-edbdee3b15a8
Jun 06 02:16:02.886794 ubuntu-xenial-ovh-bhs1-9149075 nova-compute[24118]:
ERROR oslo_messaging.rpc.server
This probably started with: https://review.openstack.org/#/c/349014/
(merged 5/31)
http://logstash.openstack.org/#/dashboard/file/logstash.json?query=message:%5C%22Detach%20interface%20failed%5C%22%20AND%20message:%5C%22reason:%20Device%20detach%20failed%20for%5C%22%20AND%20message:%5C%22Unable%20to%20detach%20from%20guest%20transient%20domain%5C%22%20AND%20tags:%5C%22screen-n-cpu.txt%5C%22&from=10d
Might need something like this:
https://review.openstack.org/#/c/441204/
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