Public bug reported: This is not really useful:
http://logs.openstack.org/17/123917/2/check/check-tempest-dsvm- neutron/4bc2052/logs/screen-n-cpu.txt.gz?level=TRACE#_2014-09-25_17_35_11_635 2014-09-25 17:35:11.635 ERROR nova.virt.libvirt.driver [req-50afcbfb-203e-454d-a7eb-1549691caf77 TestNetworkBasicOps-985093118 TestNetworkBasicOps-1055683132] [instance: 960ee0b1-9c96-4d5b-b5f5-be76ae19a536] detaching network adapter failed. 2014-09-25 17:35:11.635 27689 ERROR oslo.messaging.rpc.dispatcher [-] Exception during message handling: <nova.objects.instance.Instance object at 0x422fe90> 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last): 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher incoming.message)) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 122, in _do_dispatch 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher result = getattr(endpoint, method)(ctxt, **new_args) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/new/nova/nova/compute/manager.py", line 393, in decorated_function 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/new/nova/nova/compute/manager.py", line 4411, in detach_interface 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher self.driver.detach_interface(instance, condemned) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 1448, in detach_interface 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher raise exception.InterfaceDetachFailed(instance) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher InterfaceDetachFailed: <nova.objects.instance.Instance object at 0x422fe90> 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher The code is logging that there was an error, but not the error itself: try: self.vif_driver.unplug(instance, vif) flags = libvirt.VIR_DOMAIN_AFFECT_CONFIG state = LIBVIRT_POWER_STATE[virt_dom.info()[0]] if state == power_state.RUNNING or state == power_state.PAUSED: flags |= libvirt.VIR_DOMAIN_AFFECT_LIVE virt_dom.detachDeviceFlags(cfg.to_xml(), flags) except libvirt.libvirtError as ex: error_code = ex.get_error_code() if error_code == libvirt.VIR_ERR_NO_DOMAIN: LOG.warn(_LW("During detach_interface, " "instance disappeared."), instance=instance) else: LOG.error(_LE('detaching network adapter failed.'), instance=instance) raise exception.InterfaceDetachFailed( instance_uuid=instance['uuid']) We should log the original libvirt error. ** Affects: nova Importance: Medium Assignee: Matt Riedemann (mriedem) Status: Triaged ** Tags: libvirt logging ** Tags added: libvirt ** Changed in: nova Status: New => Triaged ** Changed in: nova Assignee: (unassigned) => Matt Riedemann (mriedem) ** Changed in: nova Importance: Undecided => Medium -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1374140 Title: Need to log the orignial libvirtError when InterfaceDetachFailed Status in OpenStack Compute (Nova): Triaged Bug description: This is not really useful: http://logs.openstack.org/17/123917/2/check/check-tempest-dsvm- neutron/4bc2052/logs/screen-n-cpu.txt.gz?level=TRACE#_2014-09-25_17_35_11_635 2014-09-25 17:35:11.635 ERROR nova.virt.libvirt.driver [req-50afcbfb-203e-454d-a7eb-1549691caf77 TestNetworkBasicOps-985093118 TestNetworkBasicOps-1055683132] [instance: 960ee0b1-9c96-4d5b-b5f5-be76ae19a536] detaching network adapter failed. 2014-09-25 17:35:11.635 27689 ERROR oslo.messaging.rpc.dispatcher [-] Exception during message handling: <nova.objects.instance.Instance object at 0x422fe90> 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last): 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher incoming.message)) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 122, in _do_dispatch 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher result = getattr(endpoint, method)(ctxt, **new_args) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/new/nova/nova/compute/manager.py", line 393, in decorated_function 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/new/nova/nova/compute/manager.py", line 4411, in detach_interface 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher self.driver.detach_interface(instance, condemned) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 1448, in detach_interface 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher raise exception.InterfaceDetachFailed(instance) 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher InterfaceDetachFailed: <nova.objects.instance.Instance object at 0x422fe90> 2014-09-25 17:35:11.635 27689 TRACE oslo.messaging.rpc.dispatcher The code is logging that there was an error, but not the error itself: try: self.vif_driver.unplug(instance, vif) flags = libvirt.VIR_DOMAIN_AFFECT_CONFIG state = LIBVIRT_POWER_STATE[virt_dom.info()[0]] if state == power_state.RUNNING or state == power_state.PAUSED: flags |= libvirt.VIR_DOMAIN_AFFECT_LIVE virt_dom.detachDeviceFlags(cfg.to_xml(), flags) except libvirt.libvirtError as ex: error_code = ex.get_error_code() if error_code == libvirt.VIR_ERR_NO_DOMAIN: LOG.warn(_LW("During detach_interface, " "instance disappeared."), instance=instance) else: LOG.error(_LE('detaching network adapter failed.'), instance=instance) raise exception.InterfaceDetachFailed( instance_uuid=instance['uuid']) We should log the original libvirt error. 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