Comment 16 for bug 1606546

General problem with ovs on node-6 (compute) leads to VMs faling to spawn, dvr routers not functioning correctly, overall connectivity problems of all kinds.

root@node-6:~# vi /var/log/openvswitch/ovs-vswitchd.log:

2016-10-07T02:05:30.501Z|00001|ovs_rcu(urcu3)|WARN|blocked 1000 ms waiting for main to quiesce
2016-10-07T02:05:31.501Z|00002|ovs_rcu(urcu3)|WARN|blocked 2000 ms waiting for main to quiesce
2016-10-07T02:05:33.501Z|00003|ovs_rcu(urcu3)|WARN|blocked 4000 ms waiting for main to quiesce
2016-10-07T02:05:37.501Z|00004|ovs_rcu(urcu3)|WARN|blocked 8000 ms waiting for main to quiesce
2016-10-07T02:05:45.501Z|00005|ovs_rcu(urcu3)|WARN|blocked 16000 ms waiting for main to quiesce
2016-10-07T02:06:01.502Z|00006|ovs_rcu(urcu3)|WARN|blocked 32001 ms waiting for main to quiesce
2016-10-07T02:06:33.501Z|00007|ovs_rcu(urcu3)|WARN|blocked 64000 ms waiting for main to quiesce
2016-10-07T02:07:37.501Z|00008|ovs_rcu(urcu3)|WARN|blocked 128000 ms waiting for main to quiesce
2016-10-07T02:09:45.501Z|00009|ovs_rcu(urcu3)|WARN|blocked 256000 ms waiting for main to quiesce
2016-10-07T02:14:01.501Z|00010|ovs_rcu(urcu3)|WARN|blocked 512000 ms waiting for main to quiesce
2016-10-07T02:22:33.501Z|00011|ovs_rcu(urcu3)|WARN|blocked 1024001 ms waiting for main to quiesce
2016-10-07T02:39:37.501Z|00012|ovs_rcu(urcu3)|WARN|blocked 2048000 ms waiting for main to quiesce
2016-10-07T03:13:45.501Z|00013|ovs_rcu(urcu3)|WARN|blocked 4096000 ms waiting for main to quiesce
2016-10-07T04:22:01.501Z|00014|ovs_rcu(urcu3)|WARN|blocked 8192000 ms waiting for main to quiesce
2016-10-07T06:38:33.501Z|00015|ovs_rcu(urcu3)|WARN|blocked 16384000 ms waiting for main to quiesce
2016-10-07T11:11:37.501Z|00016|ovs_rcu(urcu3)|WARN|blocked 32768000 ms waiting for main to quiesce

ovs problem to be investigated