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<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Maybe you need to set the pmd-cpu-mask. I don&#8217;t know what it defaults to. I think this will place a PMD on the fourth core<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=0x8
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Then make sure ovs-vswitchd is stopped and try starting it like step 5 in
<a href="https://github.com/openvswitch/ovs/blob/branch-2.4/INSTALL.DPDK.md">https://github.com/openvswitch/ovs/blob/branch-2.4/INSTALL.DPDK.md</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Darragh.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
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<p class="MsoNormal"><b>From:</b> ovs-discuss-bounces@openvswitch.org [mailto:ovs-discuss-bounces@openvswitch.org]
<b>On Behalf Of </b>Ranjith Kumar D<br>
<b>Sent:</b> 14 September 2017 14:29<br>
<b>To:</b> discuss@openvswitch.org<br>
<b>Subject:</b> [ovs-discuss] error: &quot;could not open network device dpdk0 (Address family not supported by protocol)&quot;<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">Hello All,<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">I have installed OVS 2.4.0 in a Virtual machine with DPDK 2.0, &nbsp;I am getting below error when I add DPDK port in OVS bridge.<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">error: &quot;could not open network device dpdk0 (Address family not supported by protocol)&quot;<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">d68d0789-5e61-47d4-ad2d-838c183b0e41<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp; Bridge pdn-br<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Port &quot;dpdk0&quot;<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface &quot;dpdk0&quot;<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; type: dpdk<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; error: &quot;could not open network device dpdk0 (Address family not supported by protocol)&quot;<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Port pdn-br<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface pdn-br<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; type: internal<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal"><b><u>DPDK NIC status</u></b>:<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal"><a href="mailto:ubuntu@mysite-vpgwu-slice1-25:~/dpdk-2.0.0/tools$">ubuntu@mysite-vpgwu-slice1-25:~/dpdk-2.0.0/tools$</a> ./dpdk_nic_bind.py --s<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">Network devices using DPDK-compatible driver<o:p></o:p></p>
<p class="MsoNormal">============================================<o:p></o:p></p>
<p class="MsoNormal">0000:00:03.0 'Virtio network device' drv=igb_uio unused=<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">Network devices using kernel driver<o:p></o:p></p>
<p class="MsoNormal">===================================<o:p></o:p></p>
<p class="MsoNormal">0000:00:04.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio<o:p></o:p></p>
<p class="MsoNormal">0000:00:05.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio<o:p></o:p></p>
<p class="MsoNormal">0000:00:06.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio<o:p></o:p></p>
<p class="MsoNormal">0000:00:07.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">Other network devices<o:p></o:p></p>
<p class="MsoNormal">=====================<o:p></o:p></p>
<p class="MsoNormal">&lt;none&gt;<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal"><b><u>Huge Page:( cat /proc/meminfo)<o:p></o:p></u></b></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">HugePages_Total:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<o:p></o:p></p>
<p class="MsoNormal">HugePages_Free:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<o:p></o:p></p>
<p class="MsoNormal">HugePages_Rsvd:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<o:p></o:p></p>
<p class="MsoNormal">HugePages_Surp:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<o:p></o:p></p>
<p class="MsoNormal">Hugepagesize:&nbsp;&nbsp;&nbsp; 1048576 kB<o:p></o:p></p>
<p class="MsoNormal">DirectMap4k:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 51068 kB<o:p></o:p></p>
<p class="MsoNormal">DirectMap2M:&nbsp;&nbsp;&nbsp;&nbsp; 3094528 kB<o:p></o:p></p>
<p class="MsoNormal">DirectMap1G:&nbsp;&nbsp;&nbsp;&nbsp; 7340032 kB<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">The below are steps which I followed to configure OVS<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>config_file=&quot;/etc/depmod.d/openvswitch.conf&quot;<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>for module in datapath/linux/*.ko; do&nbsp;&nbsp; modname=&quot;$(basename ${module})&quot;;&nbsp;&nbsp; echo &quot;override ${modname%.ko} * extra&quot; &gt;&gt; &quot;$config_file&quot;;&nbsp;&nbsp; echo &quot;override ${modname%.ko} * weak-updates&quot; &gt;&gt; &quot;$config_file&quot;;&nbsp;&nbsp; done<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt"><o:p>&nbsp;</o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">3.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>depmod -a<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">4.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>/sbin/modprobe openvswitch<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">5.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>/sbin/lsmod<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt"><o:p>&nbsp;</o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">6.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>mkdir -p /usr/local/etc/openvswitch<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">7.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>ovsdb-tool create /usr/local/etc/openvswitch/conf.db vswitchd/vswitch.ovsschema<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">8.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>ovsdb-server --remote=punix:/usr/local/var/run/openvswitch/db.sock&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; --remote=db:Open_vSwitch,Open_vSwitch,manager_options&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; --private-key=db:Open_vSwitch,SSL,private_key&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; --certificate=db:Open_vSwitch,SSL,certificate&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 --bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; --pidfile &#8211;detach<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">9.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>ovs-vsctl --no-wait init<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">10.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;
</span></span><![endif]>ovs-vswitchd --pidfile &#8211;detach<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">11.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;
</span></span><![endif]>ovs-vsctl add-br pdn-br<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">12.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;
</span></span><![endif]>ovs-vsctl set bridge pdn-br datapath_type=netdev<o:p></o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">13.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;
</span></span><![endif]>ovs-vsctl add-port pdn-br dpdk0 -- set Interface dpdk0 type=dpdk<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">The VM had hang when I follow below steps instead of above step 10<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoBodyText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo4">
<![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>export DB_SOCK=/usr/local/var/run/openvswitch/db.sock <o:p>
</o:p></p>
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<![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>ovs-vswitchd --dpdk -c 0x1 -n 4 -- unix:$DB_SOCK --pidfile &#8211;detach<o:p></o:p></p>
<p class="MsoBodyText"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal"><b><u>Output VM hang console:<o:p></o:p></u></b></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">root@mysite-vpgwu-slice1-25:/home/ubuntu# ovs-vswitchd --dpdk -c 0x1 -n 4 -- unix:$DB_SOCK --pidfile &#8211;detach<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">2017-09-14T21:32:31Z|00001|dpdk|INFO|No -vhost_sock_dir provided - defaulting to /usr/local/var/run/openvswitch<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Detected lcore 0 as core 0 on socket 0<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Detected lcore 1 as core 0 on socket 0<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Detected lcore 2 as core 0 on socket 0<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Detected lcore 3 as core 0 on socket 0<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Support maximum 128 logical core(s) by configuration.<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Detected 4 lcore(s)<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: VFIO modules not all loaded, skip VFIO support...<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Setting up memory...<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">debug2: channel 0: window 999344 sent adjust 49232<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Ask a virtual area of 0x40000000 bytes<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Virtual area found at 0x7f6700000000 (size = 0x40000000)<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Requesting 1 pages of size 1024MB from socket 0<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: TSC frequency is ~1795841 KHz<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -&gt; using unreliable clock cycles !<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: Master lcore 0 is ready (tid=75c8db40;cpuset=[0])<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">PMD: ENICPMD trace: rte_enic_pmd_init<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: PCI device 0000:00:03.0 on NUMA socket -1<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL:&nbsp;&nbsp; probe driver: 1af4:1000 rte_virtio_pmd<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: PCI device 0000:00:04.0 on NUMA socket -1<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL:&nbsp;&nbsp; probe driver: 1af4:1000 rte_virtio_pmd<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: PCI device 0000:00:05.0 on NUMA socket -1<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL:&nbsp;&nbsp; probe driver: 1af4:1000 rte_virtio_pmd<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: PCI device 0000:00:06.0 on NUMA socket -1<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL:&nbsp;&nbsp; probe driver: 1af4:1000 rte_virtio_pmd<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL: PCI device 0000:00:07.0 on NUMA socket -1<o:p></o:p></span></p>
<p class="MsoBodyText"><span style="font-size:8.0pt">EAL:&nbsp;&nbsp; probe driver: 1af4:1000 rte_virtio_pmd<o:p></o:p></span></p>
<p class="MsoBodyText"><o:p>&nbsp;</o:p></p>
<p class="MsoBodyText">Any input ?<o:p></o:p></p>
<p class="MsoBodyText"><o:p>&nbsp;</o:p></p>
<p class="MsoBodyText">Regards,<o:p></o:p></p>
<p class="MsoBodyText">Ranjith<o:p></o:p></p>
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