> On Nov 30, 2016, at 8:41 AM, Ben Pfaff <[email protected]> wrote: > > On Wed, Nov 30, 2016 at 12:05:46PM +0100, Thomas Morin wrote: >> Hi Ben, >> >> 2016-11-30, Ben Pfaff: >>> Do you have any idea what in your OpenFlow pipeline might do that, >>> i.e. is there anything especially tricky in the OpenFlow flows? >>> >>> Are you willing to show us your OpenFlow flow table? >> >> The setup involves three OVS bridges connected with patch-ports: br-int -- >> br-tun -- br-mpls, with the traffic that triggers the assert being processed >> by br-int with a NORMAL action (ie. MAC learning). >> >> The flows in this setup aren't particularly tricky, I think, although I'm >> not sure what qualifies as tricky or non-tricky :) >> >> Anyway, since yesterday I managed to identify the event that trigger the >> assert, by adding more logging before the assert and displaying the actions >> taken: >> >> 2016-11-29T14:44:40.126Z|00001|odp_util(revalidator45)|WARN|commit_set_ipv4_action >> assert would fail.... >> 2016-11-29T14:44:40.126Z|00002|odp_util(revalidator45)|WARN| base_flow: >> ip,in_port=5,dl_vlan=3,dl_vlan_pcp=0,dl_src=fa:16:3e:33:f7:fe,dl_dst=00:00:5e:00:43:64,nw_src=0.0.0.0,nw_dst=0.0.0.0,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0 >> 2016-11-29T14:44:40.126Z|00003|odp_util(revalidator45)|WARN| flow: >> tcp,in_port=5,dl_vlan=3,dl_vlan_pcp=0,dl_src=fa:16:3e:33:f7:fe,dl_dst=00:00:5e:00:43:64,nw_src=10.0.1.22,nw_dst=10.0.0.3,nw_tos=0,nw_ecn=0,nw_ttl=64,tp_src=53295,tp_dst=8080,tcp_flags=psh|ack >> 2016-11-29T14:44:40.126Z|00004|odp_util(revalidator45)|WARN| masks: >> recirc_id=0xffffffff,reg0=0xffffffff,in_port=4294967295,dl_vlan=4095,dl_vlan_pcp=7,dl_src=ff:ff:ff:ff:ff:ff,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0xffff >> 2016-11-29T14:44:40.126Z|00005|odp_util(revalidator45)|WARN| actions: >> set(ipv4(src=10.0.1.22,dst=10.0.0.3,ttl=63)),set(eth(src=b8:2a:72:de:1b:e3,dst=00:17:cb:79:2c:01)),push_mpls(label=410384,tc=0,ttl=63,bos=1,eth_type=0x8847),9,set(eth(src=fa:16:3e:33:f7:fe,dst=00:00:5e:00:43:64)),pop_mpls(eth_type=0x800),push_vlan(vid=3,pcp=0),1
push_mpls clears L3/L4, while pop_mpls re-populates them, and then processing the output to port 1 hits the assert? >> 2016-11-29T14:44:40.126Z|00006|odp_util(revalidator45)|WARN| flow->nw_proto >> (6) != base_flow->nw_proto (0) >> 2016-11-29T14:44:40.126Z|00007|util(revalidator45)|EMER|lib/odp-util.c:5237: >> assertion flow->nw_proto == base_flow->nw_proto && flow->nw_frag == >> base_flow->nw_frag failed in commit_set_ipv4_action() > > Thanks. That helps a lot. The problem is almost certainly related to > the MPLS actions. I'll try to take a look later. > _______________________________________________ > dev mailing list > [email protected] <mailto:[email protected]> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev > <https://mail.openvswitch.org/mailman/listinfo/ovs-dev> _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
