Open Stack

Hi all,

I installed openstack on ubuntu 12.04 (with XCP). I created an ubuntu image
(Raw).
When I try to launch an instance, while using the ubuntu image, I get the
state "shutdown" for the instance.
Rebooting the instance does not solve the problem, because the instance is
still unavailable.
My log file shows this error:
----------------------------
2012-10-03 20:19:31 ERROR nova.manager [-] Error during
ComputeManager._poll_bandwidth_usage: 'module' object has no attribute
'fetch_bandwidth'
2012-10-03 20:19:31 TRACE nova.manager Traceback (most recent call last):
2012-10-03 20:19:31 TRACE nova.manager   File
"/opt/stack/nova/nova/manager.py", line 175, in periodic_tasks
2012-10-03 20:19:31 TRACE nova.manager     task(self, context)
2012-10-03 20:19:31 TRACE nova.manager   File
"/opt/stack/nova/nova/compute/manager.py", line 2543, in
_poll_bandwidth_usage
2012-10-03 20:19:31 TRACE nova.manager     bw_counters =
self.driver.get_all_bw_counters(instances)
2012-10-03 20:19:31 TRACE nova.manager   File
"/opt/stack/nova/nova/virt/xenapi/driver.py", line 313, in
get_all_bw_counters
2012-10-03 20:19:31 TRACE nova.manager     all_counters =
self._vmops.get_all_bw_counters()
2012-10-03 20:19:31 TRACE nova.manager   File
"/opt/stack/nova/nova/virt/xenapi/vmops.py", line 1221, in
get_all_bw_counters
2012-10-03 20:19:31 TRACE nova.manager     counters =
vm_utils.fetch_bandwidth(self._session)
2012-10-03 20:19:31 TRACE nova.manager AttributeError: 'module' object has
no attribute 'fetch_bandwidth'
2012-10-03 20:19:31 TRACE nova.manager
-------------------------------
Would you please help me to fix this problem?

Thank you,
Afef
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