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<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><i><span lang="EN-IE" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Regards<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-IE" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">_Sugesh<o:p></o:p></span></i></p>
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<p class="MsoNormal"><a name="_____replyseparator"></a><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> ovs-discuss-bounces@openvswitch.org [mailto:ovs-discuss-bounces@openvswitch.org]
<b>On Behalf Of </b>lvzhilong@ncic.ac.cn<br>
<b>Sent:</b> Wednesday, July 12, 2017 10:31 AM<br>
<b>To:</b> ovs-discuss <ovs-discuss@openvswitch.org><br>
<b>Subject:</b> [ovs-discuss] error: "Error attaching device '0000:83:00.0' to DPDK"<o:p></o:p></span></p>
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<pre><i><span style="color:black">Hello,<o:p></o:p></span></i></pre>
<pre><i><span style="color:black">I have installed OVS 2.7 running. When I do:<o:p></o:p></span></i></pre>
<pre><i><span style="color:black"># ovs-vsctl add-port br0 dpdk-p0 -- set Interface dpdk-p0<o:p></o:p></span></i></pre>
<pre><i><span style="color:black">type=dpdk options:dpdk-devargs=0000:82:00.0<o:p></o:p></span></i></pre>
<pre><i><span style="color:black">ovs-vsctl: Error detected while setting up 'dpdk-p0': Error attaching<o:p></o:p></span></i></pre>
<pre><i><span style="color:black">device '0000:82:00.0' to DPDK. See ovs-vswitchd log for details.<o:p></o:p></span></i></pre>
<pre><i><span style="color:black"><o:p> </o:p></span></i></pre>
<pre><i><span style="color:black">here is some informations<span lang="ZH-CN">:</span></span></i><span style="color:black"><o:p></o:p></span></pre>
<p class="MsoNormal"><i><span style="font-family:"Courier New";color:black">1. root@oncsg4:/var/log/openvswitch# $DPDK_DIR/tools/dpdk-devbind.py --status</span></i><span style="font-family:"Microsoft YaHei UI",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><i><span style="font-family:"Courier New";color:black"><br>
Network devices using DPDK-compatible driver<br>
============================================<br>
0000:83:00.0 'Ethernet 10G 2P X710 Adapter' drv=vfio-pci unused=uio_pci_generic<br>
0000:83:00.1 'Ethernet 10G 2P X710 Adapter' drv=uio_pci_generic unused=vfio-pci<br>
<br>
</span></i><span style="font-family:"Microsoft YaHei UI",sans-serif;color:black"><o:p></o:p></span></p>
<pre><i><span style="color:black"><o:p> </o:p></span></i></pre>
<pre><i><span style="color:black">2. the log file shows:<o:p></o:p></span></i></pre>
<pre><i><span style="color:black"> (1). 2017-07-07T10:04:40.004Z|00064|netdev_dpdk|WARN|Error attaching device '0000:82:00.0' to DPDK<o:p></o:p></span></i></pre>
<pre><i><span style="color:black"> (2). 2017-07-07T10:04:40.004Z|00065|netdev|WARN|dpdk-p0: could not set configuration (Invalid argument)<o:p></o:p></span></i></pre>
<pre><b><i><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">[Sugesh] Shouldn’t be this </span></i></b><i><span style="color:black">'0000:83:00.0' instead of '0000:82:00.0' </span></i><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></pre>
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<p class="MsoNormal"><span style="font-family:"Microsoft YaHei UI",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><a href="mailto:lvzhilong@ncic.ac.cn">lvzhilong@ncic.ac.cn</a><o:p></o:p></span></p>
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