[ovs-dev] Unable to create bridge

Suresh Krishnan suresh.krishnan at ericsson.com
Thu Jul 17 22:32:21 UTC 2014


Hi all,
   I have ported openvswitch to a mips based device and I am trying to 
create a new bridge. When I create a new bridge using the following 
command everything seems to be working OK, except that the bridge 
interface does not show up under ifconfig.

ovs-vsctl add-br ovs-br0

"ovs-vsctl show" returns
     Bridge "ovs-br0"
         Port "ovs-br0"
             Interface "ovs-br0"
                 type: internal

but ifconfig does not show the bridge at all.  ovs-vswitchd.log shows an 
error (log contents below) but it is not clear what is causing the dpif 
to fail. I am using the kernel module and the device is running kernel 
2.6.32. There are no messages in dmesg. I would appreciate any 
suggestions to debug this.

Thanks
Suresh


1970-01-03T13:09:27.266Z|00001|vlog|INFO|opened log file 
/eovs/var/log/openvswitch/ovs-vswitchd.log
1970-01-03T13:09:27.272Z|00002|reconnect|INFO|unix:/eovs/var/run/openvswitch/db.sock: 
connecting...
1970-01-03T13:09:27.273Z|00003|reconnect|INFO|unix:/eovs/var/run/openvswitch/db.sock: 
connected
1970-01-03T13:09:27.287Z|00004|bridge|INFO|ovs-vswitchd (Open vSwitch) 
2.1.90
1970-01-03T13:09:27.337Z|00005|dpif|WARN|system at ovs-system: recv_set 
failed (Function not implemented)
1970-01-03T13:09:27.338Z|00006|ofproto_dpif|ERR|failed to listen on 
datapath of type system: Function not implemented
1970-01-03T13:09:27.339Z|00007|ofproto|ERR|failed to open datapath 
ovs-br0: Function not implemented
1970-01-03T13:09:27.339Z|00008|bridge|ERR|failed to create bridge 
ovs-br0: Function not implemented
1970-01-03T13:09:37.270Z|00009|memory|INFO|1252 kB peak resident set 
size after 10.0 seconds



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