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My br-int exists and it does not appear to be race condition either. Still seeing the same error with the ovs-quantum-agent.

>> sudo ovs-ofctl  show br-int
OFPT_FEATURES_REPLY (xid=0x1): dpid:00000025b503b019
n_tables:255, n_buffers:256
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
actions: OUTPUT SET_VLAN_VID SET_VLAN_PCP STRIP_VLAN SET_DL_SRC SET_DL_DST SET_NW_SRC SET_NW_DST SET_NW_TOS SET_TP_SRC SET_TP_DST ENQUEUE
1(eth1): addr:00:25:b5:03:b0:19
     config:     0
     state:      0
     current:    10GB-FD FIBER
     advertised: 10GB-FD FIBER
     supported:  10GB-FD FIBER
     speed: 10000 Mbps now, 10000 Mbps max
LOCAL(br-int): addr:00:25:b5:03:b0:19
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 100 Mbps now, 100 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x3): frags=normal miss_send_len=0

>>> sudo ovs-ofctl dump-ports br-int
OFPST_PORT reply (xid=0x1): 2 ports
  port 65534: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=0, bytes=0, drop=0, errs=0, coll=0
  port  1: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=0, bytes=0, drop=0, errs=0, coll=0

>>> sudo ovs-ofctl dump-flows br-int
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=287.093s, table=0, n_packets=0, n_bytes=0, idle_age=287, priority=1 actions=NORMAL

Thanks,
Naveen

From: Aaron Rosen [mailto:arosen at nicira.com]
Sent: Friday, August 17, 2012 9:58 PM
To: OpenStack Development Mailing List
Subject: Re: [openstack-dev] Run time error - Quantum OVS Agent

Hi Naveen,

Yes, it seems that br-int is not created on this machine. I'm not sure why it was not created for you on reboot (if it did in fact exist previous to reboot) when the openvswitch daemon starts. In any event running  ovs-vsctl add-br br-int  should resolve the issue for you.

Aaron
On Fri, Aug 17, 2012 at 11:35 PM, Naveen Joy (najoy) <najoy at cisco.com<mailto:najoy at cisco.com>> wrote:
I am getting a run time error when starting up the ovs_quantum_agent. This setup was working before I rebooted the system . Any idea what the cause could be?. Looks like the agent has the wrong port ID.

#sudo python /usr/local/bin/ovs_quantum_agent.py  /etc/quantum/ovs_quantum_plugin.ini
kwargs = {'priority': 1, 'actions': 'normal'}
kwargs = {'in_port': '-1', 'delete': True}
Traceback (most recent call last):
  File "/usr/local/bin/ovs_quantum_agent.py", line 609, in <module>
    main()
  File "/usr/local/bin/ovs_quantum_agent.py", line 604, in main
    plugin.daemon_loop(db_connection_url)
  File "/usr/local/bin/ovs_quantum_agent.py", line 221, in daemon_loop
    self.port_bound(p, vlan_id)
  File "/usr/local/bin/ovs_quantum_agent.py", line 135, in port_bound
    self.int_br.delete_flows(in_port=port.ofport)
  File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/agent/linux/ovs_lib.py", line 135, in delete_flows
    self.run_ofctl("del-flows", [flow_str])
  File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/agent/linux/ovs_lib.py", line 73, in run_ofctl
    return utils.execute(full_args, root_helper=self.root_helper)
  File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/agent/linux/utils.py", line 50, in execute
    raise RuntimeError(m)
RuntimeError:
Command: ['sudo', 'ovs-ofctl', 'del-flows', 'br-int', 'in_port=-1']
Exit code: 1
Stdout: ''
Stderr: 'ovs-ofctl: -1: value too large for 2-byte field in_port\n'

Thanks a lot,
Naveen

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