Comment 1 for bug 962840

with trunk codes I failed to reproduce it on redhat 6.2:
[root@robinlinux ~]# rpm -qa | grep libvirt
libvirt-client-0.9.6-2.el6.x86_64
libvirt-java-devel-0.4.7-1.el6.noarch
libvirt-python-0.9.6-2.el6.x86_64
libvirt-0.9.6-2.el6.x86_64
libvirt-java-0.4.7-1.el6.noarch
libvirt-devel-0.9.6-2.el6.x86_64
[root@robinlinux ~]# python --version
Python 2.6.6

and devstack:
libvirt 0.9.2, python 2.7.2+

my nova.conf is:
[DEFAULT]
logdir=/var/log/nova
state_path=/var/lib/nova
lock_path=/var/lib/nova/tmp
instances_path=/var/lib/nova/instances
debug=True
scheduler_driver=nova.scheduler.simple.SimpleScheduler
dhcpbridge_flagfile=/etc/nova/nova.conf
fixed_range=10.10.10.0/24
s3_host=127.0.0.1
osapi_compute_extension=nova.api.openstack.compute.contrib.standard_extensions
my_ip=127.0.0.1
public_interface=br100
vlan_interface=eth0
sql_connection=mysql://nova:nova@localhost/nova
instance_name_template=instance-%08x
novncproxy_base_url=http://127.0.0.1:6080/vnc_auto.html
xvpvncproxy_base_url=http://127.0.0.1:6081/console
vncserver_listen=127.0.0.1
vncserver_proxyclient_address=127.0.0.1
api_paste_config=/etc/nova/api-paste.ini
image_service=nova.image.glance.GlanceImageService
ec2_dmz_host=127.0.0.1
rabbit_host=localhost
rabbit_password=guest
glance_api_servers=127.0.0.1:9292
connection_type=libvirt
libvirt_type=kvm
libvirt_nonblocking=true
.....