More clue...
Tried to add image with glance CLI tool....

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root@api001:~/image/maver# glance add name="TEST_MAV" is_public=true disk_format=aki container_format=aki < maverick-server-uec-amd64-vmlinuz-virtual
Added new image with ID: 10
==================================
ID               Name                           Disk Format          Container Format     Size
---------------- ------------------------------ -------------------- -------------------- --------------
10               TEST_MAV                       aki                  aki                         4408496
==================================


But while I add ami , there's got some error , I believe that will help.....

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# glance add name="TEST_MAV_AMI" is_public=true disk_format=ami container_format=ami kernel_id=10 < maverick-server-uec-amd64.img

[TRACE]
Internal Server error: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/eventlet/wsgi.py", line 336, in handle_one_response
    result = self.application(self.environ, start_response)
  File "/usr/lib/pymodules/python2.7/webob/dec.py", line 147, in __call__
    resp = self.call_func(req, *args, **self.kwargs)
  File "/usr/lib/pymodules/python2.7/webob/dec.py", line 208, in call_func
    return self.func(req, *args, **kwargs)
  File "/usr/lib/pymodules/python2.7/glance/common/wsgi.py", line 113, in __call__
    response = req.get_response(self.application)
  File "/usr/lib/pymodules/python2.7/webob/request.py", line 1053, in get_response
    application, catch_exc_info=False)
  File "/usr/lib/pymodules/python2.7/webob/request.py", line 1022, in call_application
    app_iter = application(self.environ, start_response)
  File "/usr/lib/pymodules/python2.7/webob/dec.py", line 159, in __call__
    return resp(environ, start_response)
  File "/usr/lib/pymodules/python2.7/routes/middleware.py", line 131, in __call__
    response = self.app(environ, start_response)
  File "/usr/lib/pymodules/python2.7/webob/dec.py", line 159, in __call__
    return resp(environ, start_response)
  File "/usr/lib/pymodules/python2.7/webob/dec.py", line 147, in __call__
    resp = self.call_func(req, *args, **self.kwargs)
  File "/usr/lib/pymodules/python2.7/webob/dec.py", line 208, in call_func
    return self.func(req, *args, **kwargs)
  File "/usr/lib/pymodules/python2.7/glance/common/wsgi.py", line 307, in __call__
    action, request)
  File "/usr/lib/pymodules/python2.7/glance/common/wsgi.py", line 328, in dispatch
    return method(*args, **kwargs)
  File "/usr/lib/pymodules/python2.7/glance/api/v1/images.py", line 517, in create
    return self._deserialize(request)
  File "/usr/lib/pymodules/python2.7/glance/api/v1/images.py", line 512, in _deserialize
    data = request.body if self.has_body(request) else None
  File "/usr/lib/pymodules/python2.7/webob/request.py", line 483, in _body__get
    self.make_body_seekable() # we need this to have content_length
  File "/usr/lib/pymodules/python2.7/webob/request.py", line 739, in make_body_seekable
    self.copy_body()
  File "/usr/lib/pymodules/python2.7/webob/request.py", line 755, in copy_body
    self.body = self.body_file_raw.read()
  File "/usr/lib/python2.7/dist-packages/eventlet/wsgi.py", line 147, in read
    return self._chunked_read(self.rfile, length)
  File "/usr/lib/python2.7/dist-packages/eventlet/wsgi.py", line 143, in _chunked_read
    return ''.join(response)
MemoryError

Note: Your image metadata may still be in the registry, but the image's status will likely be 'killed'.