Public bug reported:
1. Nova version
commit ce5a2fb419f999bec0fb2c67413387c8b67a691a
2. Deserialized traceback as captured in log as received by messaging
Traceback (most recent call last):
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
line 143, in _dispatch_and_reply
executor_callback))
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
line 189, in _dispatch
executor_callback)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
line 130, in _do_dispatch
result = func(ctxt, **new_args)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/exception.py",
line 110, in wrapped
payload)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_utils/excutils.py",
line 220, in __exit__
self.force_reraise()
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_utils/excutils.py",
line 196, in force_reraise
six.reraise(self.type_, self.value, self.tb)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/exception.py",
line 89, in wrapped
return f(self, context, *args, **kw)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/compute/manager.py",
line 413, in decorated_function
return function(self, context, *args, **kwargs)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/compute/manager.py",
line 391, in decorated_function
kwargs['instance'], e, sys.exc_info())
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_utils/excutils.py",
line 220, in __exit__
self.force_reraise()
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_utils/excutils.py",
line 196, in force_reraise
six.reraise(self.type_, self.value, self.tb)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/compute/manager.py",
line 379, in decorated_function
return function(self, context, *args, **kwargs)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/compute/manager.py",
line 5281, in check_can_live_migrate_source
block_device_info)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/virt/xenapi/driver.py",
line 530, in check_can_live_migrate_source
dest_check_data)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/virt/xenapi/vmops.py",
line 2419, in check_can_live_migrate_source
"VM.assert_can_migrate", vm_ref, dest_check_data)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/virt/xenapi/vmops.py",
line 2524, in _call_live_migrate_command
vdi_map, vif_map, options)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/virt/xenapi/client/session.py",
line 210, in call_xenapi
return session.xenapi_request(method, args)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/XenAPI.py",
line 133, in xenapi_request
result = _parse_result(getattr(self, methodname)(*full_params))
File "/usr/lib/python2.7/xmlrpclib.py", line 1224, in __call__
return self.__send(self.__name, args)
File "/usr/lib/python2.7/xmlrpclib.py", line 1572, in __request
allow_none=self.__allow_none)
File "/usr/lib/python2.7/xmlrpclib.py", line 1085, in dumps
data = m.dumps(params)
File "/usr/lib/python2.7/xmlrpclib.py", line 632, in dumps
dump(v, write)
File "/usr/lib/python2.7/xmlrpclib.py", line 652, in __dump
raise TypeError, "cannot marshal %s objects" % type(value)
TypeError: cannot marshal <class 'oslo_versionedobjects.fields.CoercedDict'>
objects
3. Reproduction steps
* nova boot bug-xmlrpc_marshall_exception
* nova live-migration --block-migrate bug-xmlrpc_marshall_exception
** Affects: nova
Importance: Undecided
Status: New
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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/1550795
Title:
live migration with block migration on Xen produces "cannot marshal"
exception
Status in OpenStack Compute (nova):
New
Bug description:
1. Nova version
commit ce5a2fb419f999bec0fb2c67413387c8b67a691a
2. Deserialized traceback as captured in log as received by messaging
Traceback (most recent call last):
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
line 143, in _dispatch_and_reply
executor_callback))
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
line 189, in _dispatch
executor_callback)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
line 130, in _do_dispatch
result = func(ctxt, **new_args)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/exception.py",
line 110, in wrapped
payload)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_utils/excutils.py",
line 220, in __exit__
self.force_reraise()
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_utils/excutils.py",
line 196, in force_reraise
six.reraise(self.type_, self.value, self.tb)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/exception.py",
line 89, in wrapped
return f(self, context, *args, **kw)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/compute/manager.py",
line 413, in decorated_function
return function(self, context, *args, **kwargs)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/compute/manager.py",
line 391, in decorated_function
kwargs['instance'], e, sys.exc_info())
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_utils/excutils.py",
line 220, in __exit__
self.force_reraise()
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/oslo_utils/excutils.py",
line 196, in force_reraise
six.reraise(self.type_, self.value, self.tb)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/compute/manager.py",
line 379, in decorated_function
return function(self, context, *args, **kwargs)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/compute/manager.py",
line 5281, in check_can_live_migrate_source
block_device_info)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/virt/xenapi/driver.py",
line 530, in check_can_live_migrate_source
dest_check_data)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/virt/xenapi/vmops.py",
line 2419, in check_can_live_migrate_source
"VM.assert_can_migrate", vm_ref, dest_check_data)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/virt/xenapi/vmops.py",
line 2524, in _call_live_migrate_command
vdi_map, vif_map, options)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/nova/virt/xenapi/client/session.py",
line 210, in call_xenapi
return session.xenapi_request(method, args)
File
"/opt/rackstack/rackstack.532.2/nova/lib/python2.7/site-packages/XenAPI.py",
line 133, in xenapi_request
result = _parse_result(getattr(self, methodname)(*full_params))
File "/usr/lib/python2.7/xmlrpclib.py", line 1224, in __call__
return self.__send(self.__name, args)
File "/usr/lib/python2.7/xmlrpclib.py", line 1572, in __request
allow_none=self.__allow_none)
File "/usr/lib/python2.7/xmlrpclib.py", line 1085, in dumps
data = m.dumps(params)
File "/usr/lib/python2.7/xmlrpclib.py", line 632, in dumps
dump(v, write)
File "/usr/lib/python2.7/xmlrpclib.py", line 652, in __dump
raise TypeError, "cannot marshal %s objects" % type(value)
TypeError: cannot marshal <class 'oslo_versionedobjects.fields.CoercedDict'>
objects
3. Reproduction steps
* nova boot bug-xmlrpc_marshall_exception
* nova live-migration --block-migrate bug-xmlrpc_marshall_exception
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