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| darkemon | Hi everyone! Can I ask a question about ovs on FreeBSD here? | 11:26 |
|---|---|---|
| numans | darkemon, I'm sure you would get an answer real quick. | 11:27 |
| numans | darkemon, I'd suggest to send it to the ovs discuss mailing list | 11:27 |
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| numans | darkemon, I mean't I'm NOT sure :) | 11:28 |
| darkemon | numans: thanks, firstly I'll try here | 11:29 |
| darkemon | so, the question is: does ovs have to destroy its tap interfaces after stopping? In my case ovs doesn't do that. If I do 'service ovs-vswitchd restart' ovs doesn't start properly and writes messages like these: | 11:33 |
| darkemon | Starting ovs_vswitchd. | 11:33 |
| darkemon | 2020-03-23T11:01:00Z|00001|vlog|INFO|opened log file /var/log/ovs_vswitchd.log | 11:33 |
| darkemon | 2020-03-23T11:01:00Z|00002|ovs_numa|INFO|Discovered 0 NUMA nodes and 0 CPU cores | 11:33 |
| darkemon | 2020-03-23T11:01:00Z|00003|reconnect|INFO|unix:/var/run/openvswitch/db.sock: connecting... | 11:33 |
| darkemon | 2020-03-23T11:01:00Z|00004|reconnect|INFO|unix:/var/run/openvswitch/db.sock: connected | 11:33 |
| darkemon | 2020-03-23T11:01:00Z|00005|dpif|WARN|datapath ovs-netdev already exists but cannot be opened: Operation not supported by device | 11:33 |
| darkemon | 2020-03-23T11:01:00Z|00006|ofproto_dpif|ERR|failed to open datapath of type netdev: Operation not supported by device | 11:33 |
| darkemon | 2020-03-23T11:01:00Z|00007|ofproto|ERR|failed to open datapath VirtualSwitch-8: Operation not supported by device | 11:33 |
| darkemon | 2020-03-23T11:01:00Z|00008|bridge|ERR|failed to create bridge VirtualSwitch-8: Operation not supported by device | 11:33 |
| darkemon | I'm using ovs 2.12.0 | 11:41 |
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| imaximets | darkemon, I'm not sure how this works on freebsd. On linux tap non-persistent tap interfaces should be deleted on exit, I think. You might try 'ovs-appctl -t ovs-vswitchd exit --cleanup' for stopping OVS. It should definitely remove all interfaces on exit in this case. | 12:05 |
| imaximets | darkemon, also you may try ovs 2.13 or master, it should better handle this case. | 12:06 |
| darkemon | imaximets I tried 'ovs-appctl exit --cleanup' and ovs-vswitchd process exits but doesn't delete interfaces | 12:09 |
| imaximets | darkemon, hmm. | 12:09 |
| darkemon | It seems that's a bug | 12:09 |
| darkemon | I'll try to build ovs 2.13.0 under FreeBSD | 12:12 |
| imaximets | darkemon, maybe a bug. Are you sure that OVS shuts down gracefully and doesn't crash? | 12:21 |
| darkemon | imaximets: wait a moment I'll try in verbose mode | 12:25 |
| darkemon | sorry for big log | 12:29 |
| darkemon | Mar 23 12:27:06 temavm ovs-vswitchd[21021]debug: ovs|00359|jsonrpc|DBG|unix#0: received request, method="exit", params=["--cleanup"], id=0 | 12:29 |
| darkemon | Mar 23 12:27:06 temavm ovs-vswitchd[21021]debug: ovs|00360|unixctl|DBG|received request exit["--cleanup"], id=0 | 12:29 |
| darkemon | Mar 23 12:27:06 temavm ovs-vswitchd[21021]debug: ovs|00361|unixctl|DBG|replying with success, id=0: "" | 12:29 |
| darkemon | Mar 23 12:27:06 temavm ovs-vswitchd[21021]debug: ovs|00362|jsonrpc|DBG|unix#0: send reply, result="", id=0 | 12:29 |
| darkemon | Mar 23 12:27:06 temavm ovs-vswitchd[21021]debug: ovs|00363|poll_loop|DBG|wakeup due to 0-ms timeout at vswitchd/ovs-vswitchd.c:136 (0% CPU usage) | 12:29 |
| darkemon | Mar 23 12:27:06 temavm ovs-vswitchd[21021]notice: ovs|00364|bridge|INFO|bridge VirtualSwitch-8: deleted interface epair7a on port 1 | 12:29 |
| darkemon | Mar 23 12:27:06 temavm ovs-vswitchd[21021]debug: ovs|00019|poll_loop(urcu3)|DBG|wakeup due to [POLLIN] on fd 18 (FIFO) at lib/ovs-rcu.c:358 (0% CPU usage) | 12:29 |
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| darkemon | imaximets: I've tried, ovs shuts down normally, there aren't any errors. | 12:30 |
| imaximets | darkemon, ack | 12:30 |
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| darkemon | imaximets: I've got some good news, ovs 2.13 is stopped by 'ovs-appctl exit --cleanup' as supposed deleting its interfaces, but if stop ovs via 'service ovs-vswitchd stop' it doesn't delete them. | 13:35 |
| imaximets | darkemon, ack. OVS doesn't remove internal ports without --cleanup flag and this flag must be not passed in a service file. | 13:46 |
| imaximets | darkemon, I suppose, you could modify service file or ovs-ctl script to pass --cleanup file. | 13:47 |
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| darkemon | I've just got an another problem. If I do 'service netif restart' (restarts all interfaces) ovs goes crazy and utilizes 100% of cpu. | 14:11 |
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