Hi Jarno, did you have time checking this issue? This problem has puzzled us for a while. If you have some ideas, pls let us know. Thanks!
>Jarno, do you have time to take a look at this sometime? I don't understand >how it would happen, but if it does then it probably has something to do with >synchronization and you know how OVS userspace does that really well. > > > > > > > > > >Thanks, > > > > > > > > > > > >Ben. > > > > > > > > > > > >On Mon, Aug 01, 2016 at 12:13:03PM +0000, Yinpeijun wrote: > > > > > >> >> >> >> >> >> >> Hi ALL, >> >> >> >> >> >> >> >> >> >> >> >> Here is the test scene which we used to generate the error. >> >> >> >> >> >> >> >> >> >> >> >> 1. add a bridge like "ovs-vsctl add-br br-int" >> >> >> >> >> >> 2. add a port to br-int "ovs-vsctl add-port br-int eth1" >> >> >> >> >> >> 3. delete the default normal flow of it, "ovs-vsctl del-flows br-int" >> >> >> >> >> >> 4. add arp reply flow, " ovs-ofctl add-flow br-int >> "hard_timeout=0,idle_timeout=0,priority=11115,nw_dst=193.168.101.11,arp,table=22,actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:00:16:3e:1d:33:b1,load:0x2->NXM_OF_ARP_OP[], >> >> move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0x00163e1d33b1->NXM_NX_ARP_SHA[],load:0xc1a8650b->NXM_OF_ARP_SPA[],in_port"" >> >> >> >> >> >> >> If we use netperf/iperf send packets from other server physical nic to >> this eth1 and repeat to do step 4, we will get the follow error with a high >> probability. >> >> >> >> >> >> >> >> >> >> OFPT_ERROR (xid=0x4): OFPFMFC_BAD_COMMAND OFPT_FLOW_MOD (xid=0x4): >> >> >> >> >> >> (***truncated to 64 bytes from 240***) >> >> >> >> >> >> 00000000 01 0e 00 f0 00 00 00 04-00 30 20 ef 00 00 00 00 |.........0 >> .....| >> >> >> >> >> 00000010 00 00 00 00 00 00 00 00-00 00 00 00 00 00 08 06 >> |................| >> >> >> >> >> 00000020 00 00 00 00 00 00 00 00-c1 a8 69 0a 00 00 00 00 >> |..........i.....| >> >> >> >> >> 00000030 00 00 00 00 00 00 00 00-16 00 00 00 00 00 2b 6b >> >> >> >> >> >> |..............+k| >> >> >> >> >> >> >> >> >> >> >> >> We find that a revalidate thread may affects the step4. It may modify >> the connmgr's ofputil_protocol. >> >> >> >> >> >> >> >> >> >> >> This should be a bug , Could someone confirm this? Or any good way to >> solve the problem? >> >> >> >> >> Hope to hear feedback. >> >> >> >> >> >> >> >> >> >> >> >> Thanks, >> >> >> >> >> >> Ray >> >> >> >> >> _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
