Comment 23 for bug 1457527

I'm having this problem on Mitaka, Ubuntu 16.04.

2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher [req-e0f2a780-1749-4ac6-83a4-8690d152eebf 03cc38dac979425abb2b76763b922036 c010bd7c02174062bb1df9c9cc9e6c15 - - -] Exception during message handling: [Errno 2] No such file or directory: '/var/lib/nova/instances/60640ffe-6d33-4fd4-bc0b-1dc768378e68/disk.swap'
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher Traceback (most recent call last):
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 138, in _dispatch_and_reply
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher incoming.message))
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 185, in _dispatch
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 127, in _do_dispatch
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher result = func(ctxt, **new_args)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 110, in wrapped
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher payload)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher self.force_reraise()
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 89, in wrapped
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher return f(self, context, *args, **kw)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 359, in decorated_function
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher LOG.warning(msg, e, instance=instance)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher self.force_reraise()
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 328, in decorated_function
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher return function(self, context, *args, **kwargs)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 409, in decorated_function
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher return function(self, context, *args, **kwargs)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 387, in decorated_function
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher kwargs['instance'], e, sys.exc_info())
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher self.force_reraise()
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 375, in decorated_function
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher return function(self, context, *args, **kwargs)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2598, in start_instance
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher self._power_on(context, instance)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2571, in _power_on
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher block_device_info)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2611, in power_on
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher self._hard_reboot(context, instance, network_info, block_device_info)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2492, in _hard_reboot
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher block_device_info)
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 6940, in _get_instance_disk_info
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher dk_size = int(os.path.getsize(path))
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/genericpath.py", line 57, in getsize
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher return os.stat(filename).st_size
2016-05-17 16:10:15.882 18166 ERROR oslo_messaging.rpc.dispatcher OSError: [Errno 2] No such file or directory: '/var/lib/nova/instances/60640ffe-6d33-4fd4-bc0b-1dc768378e68/disk.swap'