title: Nova boot error Devstack
body: <p>I uploaded an image to glance, an Ubuntu server 12.04 in a vhd format and when i'm trying to boot that image with nova boot i receive this:</p>
  
  <pre>
  +-------------------------------------+--------------------------------------+
  | Property                            | Value                                |
  +-------------------------------------+--------------------------------------+
  | OS-DCF:diskConfig                   | MANUAL                               |
  | OS-EXT-SRV-ATTR:host                | None                                 |
  | OS-EXT-SRV-ATTR:hypervisor_hostname | None                                 |
  | OS-EXT-SRV-ATTR:instance_name       | instance-00000004                    |
  | OS-EXT-STS:power_state              | 0                                    |
  | OS-EXT-STS:task_state               | scheduling                           |
  | OS-EXT-STS:vm_state                 | building                             |
  | accessIPv4                          |                                      |
  | accessIPv6                          |                                      |
  | adminPass                           | PK2mwUZ7SJEH                         |
  | config_drive                        |                                      |
  | created                             | 2012-12-19T17:21:48Z                 |
  | flavor                              | m1.tiny                              |
  | hostId                              |                                      |
  | id                                  | 716c9276-648c-4f90-9e67-43b8f41feb91 |
  | image                               | Ubuntu                               |
  | key_name                            | key1                                 |
  | metadata                            | {}                                   |
  | name                                | vm1                                  |
  | progress                            | 0                                    |
  | security_groups                     | [{u'name': u'default'}]              |
  | status                              | BUILD                                |
  | tenant_id                           | 73e54a9f1ddc46fa9bd0a99d5e2a1cda     |
  | updated                             | 2012-12-19T17:21:54Z                 |
  | user_id                             | dc9c0376d5604467b3898082fd270b1c     |
  +-------------------------------------+--------------------------------------+
  ubuntu@ubuntu:~/vmware-tools-distrib$ cd /
  ubuntu@ubuntu:/$ cd /home/ubuntu/devstack/
  ubuntu@ubuntu:~/devstack$ nova list
  +--------------------------------------+------+--------+----------+
  | ID                                   | Name | Status | Networks |
  +--------------------------------------+------+--------+----------+
  | 716c9276-648c-4f90-9e67-43b8f41feb91 | vm1  | ERROR  |          |
  | 77aa0d77-2dae-4d18-a827-f08d0fb2f71a | vm1  | ERROR  |          |
  +--------------------------------------+------+--------+----------+ 
  </pre>
  
  <p>So, what may be the problem??
  Thanks!</p>