Greetings OFP Devs, We're seeing an issue in Netvirt CSIT. The failure has been root caused to a missing flow and from OVS logs [1] we can see the reason being flow is added before the group.
2018-07-15T03:42:58.872Z|09648|vconn|DBG|tcp:10.30.170.132:6653: received: OFPT_FLOW_MOD (OF1.3) (*xid=0x1142*): ADD table:26 priority=5,ip,metadata=0x30d78/0xfffffe cookie:0x8000006 actions=set_field:0x186bc->tun_id,*group:225006* 2018-07-15T03:42:58.872Z|09649|connmgr|INFO|br-int<->tcp:10.30.170.132:6653: sending OFPBAC_BAD_OUT_GROUP error reply to OFPT_FLOW_MOD message 2018-07-15T03:42:58.872Z|09650|vconn|DBG|tcp:10.30.170.132:6653: sent (Success): OFPT_ERROR (OF1.3) (xid=0x1142): OFPBAC_BAD_OUT_GROUP OFPT_FLOW_MOD (OF1.3) (xid=0x1142): (***truncated to 64 bytes from 112***) 00000000 04 0e 00 70 00 00 11 42-00 00 00 00 08 00 00 06 |...p...B........| 00000010 00 00 00 00 00 00 00 00-1a 00 00 00 00 00 00 05 |................| 00000020 ff ff ff ff ff ff ff ff-ff ff ff ff 00 00 00 00 |................| 00000030 00 01 00 1e 80 00 05 10-00 00 00 00 00 03 0d 78 |...............x| 2018-07-15T03:42:58.872Z|09651|vconn|DBG|tcp:10.30.170.132:6653: received: OFPT_GROUP_MOD (OF1.3) (*xid=0x1143*): ADD *group_id=225006*,type=all,bucket=actions=load:0x300->NXM_NX_REG6[],resubmit(,220) Wasn't there some feature/fix done in OFP to ensure groups were always added before a flow? Or was that only for resync use case? Am I misremembering a feature that was never implemented or is this a bug? Regards, Vishal. [1] https://logs.opendaylight.org/releng/vex-yul-odl-jenkins-1/netvirt-csit-1node-openstack-queens-upstream-stateful-snat-conntrack-oxygen/329/compute_2/ovs-vswitchd.log.gz
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