Hi, I am getting below mentioned error while trying to create instance. I have OpenStack Havana release installed on Ubuntu 12.04 and this is single hardware setup. I have tried the suggestions given on this forum under similar type of question heading.......but could not get resolution to my problem.... nova.conf neutron.conf attached herewith...

Your quick suggestions in this regard would be of great help to me...

2014-07-03 11:02:14.489 28601 ERROR nova.api.openstack [req-c10f90c7-5386-41ba-9d7c-673d1b1a4508 a7654171470a48ca8d49cf83310e970a c6857340101940148b6eca507113b239] Caught error: Timeout while waiting on RPC response - topic: "network", RPC method: "validate_networks" info: "<unknown>"
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack Traceback (most recent call last):
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/__init__.py", line 119, in __call__
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     return req.get_response(self.application)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/webob/request.py", line 1296, in send
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     application, catch_exc_info=False)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/webob/request.py", line 1260, in call_application
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     app_iter = application(self.environ, start_response)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     return resp(environ, start_response)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/keystoneclient/middleware/auth_token.py", line 539, in __call__
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     return self.app(env, start_response)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     return resp(environ, start_response)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     return resp(environ, start_response)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/routes/middleware.py", line 131, in __call__
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     response = self.app(environ, start_response)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     return resp(environ, start_response)
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
2014-07-03 11:02:14.489 28601 TRACE nova.api.openstack     resp = self.call_func(req, *args, **self.kwargs)
2014-07-03 11:02:14.489 28601 TRACE nova ...