[ovs-discuss] could not create netdev enp2s0 of unknown type dpdk

Shivaram Mysore shivaram.mysore at gmail.com
Fri Nov 25 07:10:34 UTC 2016


Hi Christian,

Ok.  Here is what I did now.  I restarted ovswitch and below are the logs.
I think I found one issue from this:

Nov 24 23:03:59 ovswitch systemd-udevd[3243]: Could not generate persistent
MAC address for ovs-netdev: No such file or directory




root at ovswitch:/ #* tail -f /var/log/openvswitch/ovs-vswitchd.log*
2016-11-25T07:03:58.707Z|00002|daemon_unix(monitor)|INFO|pid 2313 died,
exit status 0, exiting
2016-11-25T07:03:59.085Z|00001|vlog|INFO|opened log file
/var/log/openvswitch/ovs-vswitchd.log
2016-11-25T07:03:59.089Z|00002|ovs_numa|INFO|Discovered 2 CPU cores on NUMA
node 0
2016-11-25T07:03:59.089Z|00003|ovs_numa|INFO|Discovered 1 NUMA nodes and 2
CPU cores
2016-11-25T07:03:59.089Z|00004|reconnect|INFO|unix:/var/run/openvswitch/db.sock:
connecting...
2016-11-25T07:03:59.090Z|00005|reconnect|INFO|unix:/var/run/openvswitch/db.sock:
connected
2016-11-25T07:03:59.092Z|00006|dpdk|INFO|DPDK Enabled, initializing
2016-11-25T07:03:59.092Z|00007|dpdk|INFO|No vhost-sock-dir provided -
defaulting to /var/run/openvswitch
2016-11-25T07:03:59.092Z|00008|dpdk|INFO|EAL ARGS: ovs-vswitchd
--socket-mem 1024,0 -c 0x00000001
2016-11-25T07:03:59.785Z|00009|dpdk|INFO|DPDK pdump packet capture enabled
2016-11-25T07:03:59.796Z|00010|ofproto_dpif|INFO|netdev at ovs-netdev:
Datapath supports recirculation
2016-11-25T07:03:59.796Z|00011|ofproto_dpif|INFO|netdev at ovs-netdev: MPLS
label stack length probed as 3
2016-11-25T07:03:59.796Z|00012|ofproto_dpif|INFO|netdev at ovs-netdev:
Datapath supports truncate action
2016-11-25T07:03:59.796Z|00013|ofproto_dpif|INFO|netdev at ovs-netdev:
Datapath supports unique flow ids
2016-11-25T07:03:59.796Z|00014|ofproto_dpif|INFO|netdev at ovs-netdev:
Datapath supports ct_state
2016-11-25T07:03:59.797Z|00015|ofproto_dpif|INFO|netdev at ovs-netdev:
Datapath supports ct_zone
2016-11-25T07:03:59.797Z|00016|ofproto_dpif|INFO|netdev at ovs-netdev:
Datapath supports ct_mark
2016-11-25T07:03:59.797Z|00017|ofproto_dpif|INFO|netdev at ovs-netdev:
Datapath supports ct_label
2016-11-25T07:03:59.797Z|00018|ofproto_dpif|INFO|netdev at ovs-netdev:
Datapath does not support ct_state_nat
2016-11-25T07:03:59.934Z|00019|bridge|WARN|could not open network device
dpdk1 (No such device)
2016-11-25T07:03:59.934Z|00020|bridge|INFO|bridge ovsdpdkbr0: added
interface ovsdpdkbr0 on port 65534
2016-11-25T07:03:59.934Z|00021|bridge|WARN|could not open network device
dpdk0 (No such device)
2016-11-25T07:03:59.934Z|00022|bridge|WARN|could not open network device
dpdk2 (No such device)
2016-11-25T07:03:59.935Z|00023|bridge|INFO|bridge ovsdpdkbr0: using
datapath ID 00007ecbdec5534d
2016-11-25T07:03:59.935Z|00024|connmgr|INFO|ovsdpdkbr0: added service
controller "punix:/var/run/openvswitch/ovsdpdkbr0.mgmt"
2016-11-25T07:03:59.936Z|00025|bridge|WARN|could not open network device
dpdk1 (No such device)
2016-11-25T07:03:59.936Z|00026|bridge|WARN|could not open network device
dpdk0 (No such device)
2016-11-25T07:03:59.936Z|00027|bridge|WARN|could not open network device
dpdk2 (No such device)
2016-11-25T07:03:59.937Z|00028|bridge|INFO|ovs-vswitchd (Open vSwitch) 2.6.0
2016-11-25T07:04:09.460Z|00029|memory|INFO|85392 kB peak resident set size
after 10.4 seconds
2016-11-25T07:04:09.460Z|00030|memory|INFO|handlers:1 ports:1
revalidators:1 rules:5

root at ovswitch:/ # *tail -f /var/log/syslog*
Nov 24 23:03:38 ovswitch dhclient[2493]: message repeated 7 times: [
DHCPREQUEST of 10.10.11.11 on enp1s0 to 10.10.22.5 port 67 (xid=0xf42368d)]
Nov 24 23:03:47 ovswitch systemd[1]: Started Session 4 of user ovs.
Nov 24 23:03:51 ovswitch dhclient[2493]: DHCPREQUEST of 10.10.11.11 on
enp1s0 to 10.10.22.5 port 67 (xid=0xf42368d)
Nov 24 23:03:58 ovswitch systemd[1]: Stopping Open vSwitch...
Nov 24 23:03:58 ovswitch systemd[1]: Stopped Open vSwitch.
Nov 24 23:03:58 ovswitch systemd[1]: Stopping Open vSwitch Internal Unit...
Nov 24 23:03:58 ovswitch systemd[1]: Reloading.
Nov 24 23:03:58 ovswitch systemd[1]: snapd.refresh.timer: Adding 3h 3min
20.463373s random time.
Nov 24 23:03:58 ovswitch systemd[1]: snapd.refresh.timer: Adding 1h 54min
43.558579s random time.
Nov 24 23:03:58 ovswitch ovs-ctl[3129]:  * Exiting ovs-vswitchd (2313)
Nov 24 23:03:58 ovswitch kernel: [  373.194880] device ovs-netdev left
promiscuous mode
Nov 24 23:03:58 ovswitch ovs-ctl[3129]:  * Exiting ovsdb-server (2261)
Nov 24 23:03:58 ovswitch systemd[1]: Stopped Open vSwitch Internal Unit.
Nov 24 23:03:58 ovswitch systemd[1]: Starting Open vSwitch Internal Unit...
Nov 24 23:03:58 ovswitch systemd[1]: Reloading.
Nov 24 23:03:59 ovswitch systemd[1]: snapd.refresh.timer: Adding 4h 14min
33.062182s random time.
Nov 24 23:03:59 ovswitch systemd[1]: snapd.refresh.timer: Adding 5h 35min
2.197582s random time.
Nov 24 23:03:59 ovswitch ovs-ctl[3190]:  * Starting ovsdb-server
Nov 24 23:03:59 ovswitch ovs-vsctl: ovs|00001|vsctl|INFO|Called as
ovs-vsctl --no-wait -- init -- set Open_vSwitch . db-version=7.14.0
Nov 24 23:03:59 ovswitch ovs-vsctl: ovs|00001|vsctl|INFO|Called as
ovs-vsctl --no-wait set Open_vSwitch . ovs-version=2.6.0
"external-ids:system-id=\"d1e18317-5af2-4345-a433-6d7559a90741\""
"external-ids:hostname=\"ovswitch\"" "system-type=\"ubuntu\""
"system-version=\"16.10\""
Nov 24 23:03:59 ovswitch ovs-ctl[3190]:  * Configuring Open vSwitch system
IDs
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL: Detected 2 lcore(s)
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL: Probing VFIO support...
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: PMD: bnxt_rte_pmd_init() called for
(null)
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: PMD: bnxt_rte_pmd_init()
called for (null)
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL: PCI device 0000:01:00.0 on
NUMA socket -1
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL:   probe driver: 8086:1539
rte_igb_pmd
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL: PCI device 0000:02:00.0 on
NUMA socket -1
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL:   probe driver: 8086:1539
rte_igb_pmd
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL: PCI device 0000:03:00.0 on
NUMA socket -1
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL:   probe driver: 8086:1539
rte_igb_pmd
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL: PCI device 0000:05:00.0 on
NUMA socket -1
Nov 24 23:03:59 ovswitch ovs-ctl[3190]: EAL:   probe driver: 8086:1539
rte_igb_pmd
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: EAL: PCI device 0000:01:00.0
on NUMA socket -1
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: EAL:   probe driver: 8086:1539
rte_igb_pmd
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: EAL: PCI device 0000:02:00.0
on NUMA socket -1
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: EAL:   probe driver: 8086:1539
rte_igb_pmd
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: EAL: PCI device 0000:03:00.0
on NUMA socket -1
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: EAL:   probe driver: 8086:1539
rte_igb_pmd
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: EAL: PCI device 0000:05:00.0
on NUMA socket -1
Nov 24 23:03:59 ovswitch ovs-vswitchd[3236]: EAL:   probe driver: 8086:1539
rte_igb_pmd
Nov 24 23:03:59 ovswitch systemd-udevd[3243]: Could not generate persistent
MAC address for ovs-netdev: No such file or directory
Nov 24 23:03:59 ovswitch kernel: [  374.335853] device ovs-netdev entered
promiscuous mode
Nov 24 23:03:59 ovswitch kernel: [  374.474272] device ovsdpdkbr0 entered
promiscuous mode
Nov 24 23:03:59 ovswitch ovs-ctl[3190]:  * Starting ovs-vswitchd
Nov 24 23:03:59 ovswitch ovs-ctl[3190]:  * Enabling remote OVSDB managers
Nov 24 23:03:59 ovswitch systemd[1]: Started Open vSwitch Internal Unit.
Nov 24 23:03:59 ovswitch systemd[1]: Starting Open vSwitch...
Nov 24 23:03:59 ovswitch systemd[1]: Started Open vSwitch.
Nov 24 23:04:06 ovswitch dhclient[2493]: DHCPREQUEST of 10.10.11.11 on
enp1s0 to 10.10.22.5 port 67 (xid=0xf42368d)
Nov 24 23:04:59 ovswitch dhclient[2493]: message repeated 3 times: [
DHCPREQUEST of 10.10.11.11 on enp1s0 to 10.10.22.5 port 67 (xid=0xf42368d)]
Nov 24 23:05:01 ovswitch CRON[3360]: (root) CMD (   test -x
/etc/cron.daily/popularity-contest && /etc/cron.daily/popularity-contest
--crond)
Nov 24 23:05:08 ovswitch dhclient[2493]: DHCPREQUEST of 10.10.11.11 on
enp1s0 to 10.10.22.5 port 67 (xid=0xf42368d)


On Thu, Nov 24, 2016 at 10:47 PM, Christian Ehrhardt <
christian.ehrhardt at canonical.com> wrote:

>
> On Thu, Nov 24, 2016 at 8:10 PM, Shivaram Mysore <
> shivaram.mysore at gmail.com> wrote:
>
>> I don't think I have missed anything.  What is wrong in my setup?
>
>
> LGTM so far - and I lack the equivalent cards to fully reproduce your case.
>
> But as I outlined before the init phase of OVS with dpdk enabled can also
> be important.
> I shared a link to my logs before in this thread.
>
> You might check there, and post these logs as well if you don't find
> anything right away.
> They are not in ovs-vswitchd.log but in journal, I'd look for something
> like what I had in column three of http://paste.ubuntu.com/17581296/
>
>
>
>
>
> --
> Christian Ehrhardt
> Software Engineer, Ubuntu Server
> Canonical Ltd
>
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