On Thu, Jul 18, 2024 at 10:17 PM Jun Gu <[email protected]> wrote: > > Hi, Numan, Thanks for your reply. Unfortunately, We have restarted the > ovn-controller and the issue is fixed now. Currently, I am analyzing > codes to confirm if some situations will cause the issue. Do you have > any suggestions for me? >
Fact that the restart fixed the issue suggests that it was most likely an I-P issue It would be great if you can consider upgrading OVN to the latest version or latest LTS version. I'd suggest delete the localnet port and re-add it and see if those unexpected flows are present or not. Next time the issue is seen, please run the ovn-appctl command to see if it fixes the issue. Numan > Thanks > Jun > > On 7/19/24 00:52, Numan Siddique wrote: > > On Wed, Jul 17, 2024 at 6:07 AM Jun Gu <[email protected]> wrote: > >> > >> Hi team > >> The version is below: > >> OVN version: branch-21.09 > >> OVS version: branch-2.16.2 > >> we encounter a issue that ovn-controller generates some non-expected > >> openflows to forward packets to tunnel ports in table 37 when a localnet > >> port existed on the datapath. The related information is below: > >> - Related datapath and ports. > >> ``` > >> switch d9954742-5f9a-440d-8f4a-e9cba08ff5b3 > >> (neutron-102c1351-65a6-4640-8310-c3cd446a5b69) (aka JSNX_APP_VLAN121) > >> port b4decafe-1948-4214-b021-393953bf94c3 (aka > >> sc-arm-lnbp-clbatch-13_JSNX_APP_VLAN121_d36c91ab) > >> addresses: ["fa:16:3e:32:ca:7e 32.12.121.150"] > >> port 87e5ac12-80b8-4477-af59-dfb0fc0a43ff (aka > >> sc-arm-lnbp-pfservice-6_JSNX_APP_VLAN121_109c4c56) > >> addresses: ["fa:16:3e:e7:58:37 32.12.121.103"] > >> port ad722de8-20ca-4f52-97bf-df29f9512d6e > >> type: localport > >> addresses: ["fa:16:3e:3d:96:cd 32.12.121.10"] > >> ... > >> port 067b57c8-2e50-4a86-a255-31e799a24ac5 (aka > >> sc-arm-lnbp-taebatch-5_JSNX_APP_VLAN121_a029cd93) > >> addresses: ["fa:16:3e:e5:0e:10 32.12.121.151"] > >> port d2479952-a2e2-4c94-b5d9-5086f5a177ee (aka > >> sc-arm-lnbp-mars-3_JSNX_APP_VLAN121_319305dc) > >> addresses: ["fa:16:3e:7c:4e:35 32.12.121.194"] > >> port 64ddd42f-6a70-4060-8782-bd5cad7c4983 (aka > >> sc-arm-lnbp-clbatch-8_JSNX_APP_VLAN121_7a4ca62f) > >> addresses: ["fa:16:3e:9c:56:aa 32.12.121.213"] > >> port provnet-6612e9ff-5364-4788-9b27-0a8c6053bec3 > >> type: localnet > >> tag: 121 > >> addresses: ["unknown"] > >> port f004de9d-5e52-43c7-9094-364a07ac420f (aka > >> sc-arm-lnbp-influxdb-3_JSNX_APP_VLAN121_7527d6dc) > >> addresses: ["fa:16:3e:96:6b:45 32.12.121.231"] > >> ``` > >> - Related openflows. > >> ``` > >> cookie=0xd9b58719, duration=3803793.502s, table=37, n_packets=0, > >> n_bytes=0, idle_age=65535, priority=100,reg15=0x37,metadata=0xd > >> actions=set_field:0xd/0xffffff->tun_id,set_field:0x37->tun_metadata0,move:NXM_NX_REG14[0..14]->NXM_NX_TUN_METADATA0[16..30],output:13 > >> cookie=0x997eb173, duration=3803793.502s, table=37, n_packets=0, > >> n_bytes=0, idle_age=65535, priority=100,reg15=0x8005,metadata=0xd > >> actions=set_field:0x2->reg15,resubmit(,39),set_field:0x8005->reg15,set_field:0xd/0xffffff->tun_id,set_field:0x8005->tun_metadata0,move:NXM_NX_REG14[0..14]->NXM_NX_TUN_METADATA0[16..30],output:300,output:14,output:138,output:137,output:299,output:140,output:304,output:303,output:142,output:1,output:302,output:139,output:301,output:13,output:11,output:10,resubmit(,38) > >> cookie=0xce52adfe, duration=3803793.502s, table=37, n_packets=2475804, > >> n_bytes=162274574, idle_age=0, priority=100,reg15=0x8000,metadata=0xd > >> actions=set_field:0x2->reg15,resubmit(,39),set_field:0x8000->reg15,set_field:0xd/0xffffff->tun_id,set_field:0x8000->tun_metadata0,move:NXM_NX_REG14[0..14]->NXM_NX_TUN_METADATA0[16..30],output:300,output:14,output:138,output:137,output:299,output:140,output:304,output:303,output:142,output:1,output:302,output:139,output:301,output:13,output:11,output:10,resubmit(,38) > >> cookie=0xb9dee9ea, duration=3803793.502s, table=37, n_packets=0, > >> n_bytes=0, idle_age=65535, priority=100,reg15=0x8003,metadata=0xd > >> actions=set_field:0xd/0xffffff->tun_id,set_field:0x8003->tun_metadata0,move:NXM_NX_REG14[0..14]->NXM_NX_TUN_METADATA0[16..30],output:300,output:14,output:138,output:137,output:299,output:140,output:304,output:303,output:142,output:1,output:302,output:139,output:301,output:13,output:11,output:10,resubmit(,38) > >> ``` > >> The datapath tunnel_key is 0xd, its localnet port tunnel_key is 0x1 > >> and its localport port tunnel_key is 0x2. From openflows related 0xd > >> datapath, the localnet port has not been acquired to generate the table > >> 37 non-expected openflows. And other tables can identify the localnet > >> port, so other tables which generate openflows are correct. For example, > >> a openflow from table 38 > >> ``` > >> cookie=0xce52adfe, duration=3803727.055s, table=38, n_packets=2475787, > >> n_bytes=162273290, idle_age=0, priority=100,reg15=0x8000,metadata=0xd > >> actions=set_field:0x1->reg15,resubmit(,39),set_field:0x70->reg13,set_field:0x3->reg15,resubmit(,39),set_field:0x72->reg13,set_field:0x26->reg13,set_field:0x29->reg15,resubmit(,39),set_field:0x39->reg13,set_field:0x33->reg15,resubmit(,39),set_field:0x8000->reg15 > >> ``` > >> Based on the above information, we analyze the related ovn-controller > >> codes. Only one condition that the localnet port is not queried by > >> get_localnet_port function, the issue will occur. > >> However, a deeper analysis of the code did not yield more useful > >> information. > > > > Seems to me this could be a bug in the ovn-controller's incremental > > processing (I-P) and should be fixed in recent versions. > > > > Can you please run the command - "ovn-appctl -t ovn-controller > > recompute" or "ovn-appctl -t ovn-controller inc-engine/recompute" > > and see if the non-expected openflows are deleted ? This would > > confirm if its an I-P bug or not. > > > > Thanks > > Numan > > > >> > >> > >> > >> > >> _______________________________________________ > >> dev mailing list > >> [email protected] > >> https://mail.openvswitch.org/mailman/listinfo/ovs-dev > >> > > > _______________________________________________ > dev mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
