I suspect you are suffering from this recently fixed bug:

https://bugs.launchpad.net/nova/+bug/1103436

If you update your nova code and and run everything you should be ok.

Vish

On Feb 1, 2013, at 10:20 AM, Wojciech Dec <wdec.i...@gmail.com> wrote:

> Hi All,
> 
> while testing the latest code under devstackon a multi-node setup, I'm having 
> problems starting up VMs, with the following symptoms. 
> Any hints as to causes or possible fixes?
> 
> Thanks,
> Woj.
> 
> controller:~/devstack$ nova show test1
> +-------------------------------------+------------------------------------------------------------------------------------------------------------+
> | Property                            | Value                                 
>                                                                      |
> +-------------------------------------+------------------------------------------------------------------------------------------------------------+
> | status                              | ERROR                                 
>                                                                      |
> | updated                             | 2013-02-01T18:10:22Z                  
>                                                                      |
> | OS-EXT-STS:task_state               | None                                  
>                                                                      |
> | OS-EXT-SRV-ATTR:host                | comp1                                 
>                                                                      |
> | key_name                            | None                                  
>                                                                      |
> | image                               | cirros-0.3.0-x86_64-uec 
> (cee50310-6b6c-46ca-acfd-e69c53b4a475)                                        
>      |
> | private network                     | 10.0.0.3                              
>                                                                      |
> | hostId                              | 
> 3f02ed3670b7d77f5fff336b6d99083ffb9de4021a15ee9bc7871536                      
>                              |
> | OS-EXT-STS:vm_state                 | error                                 
>                                                                      |
> | OS-EXT-SRV-ATTR:instance_name       | instance-0000000c                     
>                                                                      |
> | OS-EXT-SRV-ATTR:hypervisor_hostname | comp1                                 
>                                                                      |
> | flavor                              | m1.tiny (1)                           
>                                                                      |
> | id                                  | 86f90ed0-82fd-44fc-bc61-98f1dbbc7a5b  
>                                                                      |
> | security_groups                     | [{u'name': u'default'}]               
>                                                                      |
> | user_id                             | f92ba21f5c464c77a383e939153472a2      
>                                                                      |
> | name                                | test1                                 
>                                                                      |
> | created                             | 2013-02-01T18:09:53Z                  
>                                                                      |
> | tenant_id                           | 9690f85f9c20486cbf6be83cc02c92b7      
>                                                                      |
> | OS-DCF:diskConfig                   | MANUAL                                
>                                                                      |
> | accessIPv4                          |                                       
>                                                                      |
> | accessIPv6                          |                                       
>                                                                      |
> | fault                               | {u'message': 
> u'ProcessExecutionError', u'code': 500, u'details': u'Unexpected error while 
> running command. |
> |                                     | Command: sudo nova-rootwrap 
> /etc/nova/rootwrap.conf iptables-restore -c                                   
>  |
> |                                     | Exit code: 1                          
>                                                                      |
> |                                     | Stdout: \'\'                          
>                                                                      |
> |                                     | Stderr: \'iptables-restore: line 1 
> failed\                                                                 |
> |                                     | \'                                    
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/compute/manager.py", line 690, in _run_instance         
>                       |
> |                                     |     injected_files, admin_password)   
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/compute/manager.py", line 962, in _spawn                
>                       |
> |                                     |     block_device_info)                
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/virt/libvirt/driver.py", line 1059, in spawn            
>                       |
> |                                     |     block_device_info)                
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/virt/libvirt/driver.py", line 1978, in 
> _create_domain_and_network             |
> |                                     |     
> self.firewall_driver.setup_basic_filtering(instance, network_info)            
>                          |
> |                                     |   File 
> "/opt/stack/nova/nova/virt/libvirt/firewall.py", line 234, in 
> setup_basic_filtering                 |
> |                                     |     self.refresh_provider_fw_rules()  
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/virt/firewall.py", line 457, in 
> refresh_provider_fw_rules                     |
> |                                     |     self.iptables.apply()             
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/network/linux_net.py", line 358, in apply               
>                       |
> |                                     |     self._apply()                     
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/openstack/common/lockutils.py", line 221, in inner      
>                       |
> |                                     |     retval = f(*args, **kwargs)       
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/network/linux_net.py", line 384, in _apply              
>                       |
> |                                     |     attempts=5)                       
>                                                                      |
> |                                     |   File 
> "/opt/stack/nova/nova/network/linux_net.py", line 1040, in _execute           
>                       |
> |                                     |     return utils.execute(*cmd, 
> **kwargs)                                                                   |
> |                                     |   File 
> "/opt/stack/nova/nova/utils.py", line 232, in execute                         
>                       |
> |                                     |     cmd=\' \'.join(cmd))              
>                                                                      |
> |                                     | ', u'created': 
> u'2013-02-01T18:10:04Z'}                                                      
>               |
> | OS-EXT-STS:power_state              | 4                                     
>                                                                      |
> | metadata                            | {}                                    
>                                                                      |
> | config_drive                        |                                       
>                                                                      |
> +-------------------------------------+------------------------------------------------------------------------------------------------------------+
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