<div dir="ltr">An earlier email sent today to this distribution incorrectly claimed that dpdk-devbind.py was not working on Amazon Linux 2 Kernel 5.10.<br><br>This was my error. IOMMU was not turned on. I thought it default ON; it does not even for c5n.metal instances.<br><br>The correct steps are:<br><br>* follow <a href="https://doc.dpdk.org/guides/nics/ena.html">https://doc.dpdk.org/guides/nics/ena.html</a> under "On AWS, the metal instances are supporting IOMMU for both arm64 and x86_64 hosts" to enable IOMMU by modifying grub boot file.<br><br>* follow instructions at <a href="https://github.com/amzn/amzn-drivers/blob/master/userspace/dpdk/README.md">https://github.com/amzn/amzn-drivers/blob/master/userspace/dpdk/README.md</a><br><br>to update the vfio-pci driver.<div><br></div><div>dpdk-bind will then work:<br><br>





<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(33,255,6);background-color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">Network devices using DPDK-compatible driver</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(33,255,6);background-color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">============================================</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(33,255,6);background-color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">0000:7f:00.0 'Elastic Network Adapter (ENA) ec20' drv=vfio-pci unused=ena</span></p></div></div>