<div dir="ltr"><div>After booting the server, the following are commands I have executed. Immediately after doing devbind -b, cards are going down. I am able to see that green leds are turning off.</div><div><br></div><div>following is the two lines of code and output of code. number of ports are reporting as zero<br></div><div><br></div><a class="gmail_plusreply" id="m_8763357683782534714gmail-plusReplyChip-0">++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++</a><br><div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><br></div></div></div></div></div></div></div></div></div></div></div></div>$ lspci | grep -i intel<br>c3:00.0 Ethernet controller: Intel Corporation Ethernet Controller E810-C for QSFP (rev 02)<br>c3:00.1 Ethernet controller: Intel Corporation Ethernet Controller E810-C for QSFP (rev 02)<br><br>$ sudo dpdk-devbind.py -b vfio-pci c3:00.0 c3:00.1<br>$ sudo dpdk-devbind.py -s<br><br>Network devices using DPDK-compatible driver<br>============================================<br>0000:c3:00.0 'Ethernet Controller E810-C for QSFP 1592' drv=vfio-pci unused=ice<br>0000:c3:00.1 'Ethernet Controller E810-C for QSFP 1592' drv=vfio-pci unused=ice<br><br>Network devices using kernel driver<br>===================================<br>0000:05:00.0 'NetXtreme BCM5719 Gigabit Ethernet PCIe 1657' if=eno1 drv=tg3 unused=vfio-pci <br>0000:05:00.1 'NetXtreme BCM5719 Gigabit Ethernet PCIe 1657' if=eno2 drv=tg3 unused=vfio-pci <br>0000:05:00.2 'NetXtreme BCM5719 Gigabit Ethernet PCIe 1657' if=eno3 drv=tg3 unused=vfio-pci <br>0000:05:00.3 'NetXtreme BCM5719 Gigabit Ethernet PCIe 1657' if=eno4 drv=tg3 unused=vfio-pci <br>0000:83:00.0 'BCM57508 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb/200Gb Ethernet 1750' if=ens3f0np0 drv=bnxt_en unused=vfio-pci <br>0000:83:00.1 'BCM57508 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb/200Gb Ethernet 1750' if=ens3f1np1 drv=bnxt_en unused=vfio-pci <br><br>No 'Baseband' devices detected<br>==============================<br><br>Crypto devices using kernel driver<br>==================================<br>0000:02:00.1 'Zeppelin Cryptographic Coprocessor NTBCCP 1468' drv=ccp unused=vfio-pci <br>0000:03:00.2 'Family 17h (Models 00h-0fh) Platform Security Processor 1456' drv=ccp unused=vfio-pci <br>0000:41:00.1 'Zeppelin Cryptographic Coprocessor NTBCCP 1468' drv=ccp unused=vfio-pci <br>0000:42:00.2 'Family 17h (Models 00h-0fh) Platform Security Processor 1456' drv=ccp unused=vfio-pci <br>0000:81:00.1 'Zeppelin Cryptographic Coprocessor NTBCCP 1468' drv=ccp unused=vfio-pci <br>0000:82:00.2 'Family 17h (Models 00h-0fh) Platform Security Processor 1456' drv=ccp unused=vfio-pci <br>0000:c1:00.1 'Zeppelin Cryptographic Coprocessor NTBCCP 1468' drv=ccp unused=vfio-pci <br>0000:c2:00.2 'Family 17h (Models 00h-0fh) Platform Security Processor 1456' drv=ccp unused=vfio-pci <br><br>No 'DMA' devices detected<br>=========================<br><br>No 'Eventdev' devices detected<br>==============================<br><br>No 'Mempool' devices detected<br>=============================<br><br>No 'Compress' devices detected<br>==============================<br><br>No 'Misc (rawdev)' devices detected<br>===================================<br><br>No 'Regex' devices detected<br>===========================<br><br>$ cat one.c <br>#include <inttypes.h><br>#include <rte_ethdev.h><br><br><br>int main(int argc, char *argv[])<br>{<br> struct rte_mempool *mbuf_pool;<br> unsigned nb_ports;<br> uint16_t portid;<br><br> /* Initializion the Environment Abstraction Layer (EAL). 8< */<br> int ret = rte_eal_init(argc, argv);<br> if (ret < 0)<br> rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");<br> /* >8 End of initialization the Environment Abstraction Layer (EAL). */<br><br> argc -= ret;<br> argv += ret;<br><br>fprintf( stderr, "%s %d\n", __func__, __LINE__ );<br> /* Check that there is an even number of ports to send/receive on. */<br> nb_ports = rte_eth_dev_count_avail();<br>fprintf( stderr, "%s %d nb_ports: %u\n", __func__, __LINE__, nb_ports );<br>}<br><br>$ gcc one.c `pkg-config --cflags libdpdk --libs libdpdk`<br>$ sudo ./a.out <br>EAL: Detected CPU lcores: 64<br>EAL: Detected NUMA nodes: 4<br>EAL: Detected shared linkage of DPDK<br>EAL: Multi-process socket /var/run/dpdk/rte/mp_socket<br>EAL: Selected IOVA mode 'VA'<br>EAL: No available 1048576 kB hugepages reported<br>EAL: VFIO support initialized<br>EAL: Using IOMMU type 1 (Type 1)<br>EAL: Probe PCI driver: net_ice (8086:1592) device: 0000:c3:00.0 (socket 3)<br>set_mempolicy: Invalid argument<br>EAL: Releasing PCI mapped resource for 0000:c3:00.0<br>EAL: Calling pci_unmap_resource for 0000:c3:00.0 at 0x4102000000<br>EAL: Calling pci_unmap_resource for 0000:c3:00.0 at 0x4104000000<br>EAL: Requested device 0000:c3:00.0 cannot be used<br>EAL: Using IOMMU type 1 (Type 1)<br>EAL: Probe PCI driver: net_ice (8086:1592) device: 0000:c3:00.1 (socket 3)<br>set_mempolicy: Invalid argument<br>EAL: Releasing PCI mapped resource for 0000:c3:00.1<br>EAL: Calling pci_unmap_resource for 0000:c3:00.1 at 0x4104010000<br>EAL: Calling pci_unmap_resource for 0000:c3:00.1 at 0x4106010000<br>EAL: Requested device 0000:c3:00.1 cannot be used<br>TELEMETRY: No legacy callbacks, legacy socket not created<br>main 20<br>main 23 nb_ports: 0<br><div><br></div><a class="gmail_plusreply" id="gmail-m_8763357683782534714gmail-plusReplyChip-0">++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++</a> <br><div><div><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br>Thanks & Regards<br>--<br>Lokesh Chakka.<br></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Aug 1, 2022 at 12:44 PM Tkachuk, Georgii <<a href="mailto:georgii.tkachuk@intel.com" target="_blank">georgii.tkachuk@intel.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div lang="EN-US"> <div> <p class="MsoNormal">Please check “sudo dpdk-devbind.py -s” to see if both ports are bound to vfio-pci <u></u><u></u></p> <p class="MsoNormal">And some questions: <u></u><u></u></p> <p class="MsoNormal"><u></u> <u></u></p> <p class="MsoNormal">What DPDK app are you running? <u></u><u></u></p> <p class="MsoNormal">What are your EAL command line arguments? <u></u><u></u></p> <p class="MsoNormal">What do you mean by going down (as reported by what?) <u></u><u></u></p> <p class="MsoNormal"><u></u> <u></u></p> <p class="MsoNormal">Thank you,<u></u><u></u></p> <p class="MsoNormal">Georgii<u></u><u></u></p> <p class="MsoNormal"><u></u> <u></u></p> <div style="border-color:rgb(225,225,225) currentcolor currentcolor;border-style:solid none none;border-width:1pt medium medium;padding:3pt 0in 0in"> <p class="MsoNormal"><b>From:</b> Lokesh Chakka <<a href="mailto:lvenkatakumarchakka@gmail.com" target="_blank">lvenkatakumarchakka@gmail.com</a>> <br> <b>Sent:</b> Monday, August 01, 2022 12:09 AM<br> <b>To:</b> users <<a href="mailto:users@dpdk.org" target="_blank">users@dpdk.org</a>><br> <b>Subject:</b> intel 100 Gbps Network card shutting down after enabling dpdk<u></u><u></u></p> </div> <p class="MsoNormal"><u></u> <u></u></p> <div> <div> <p class="MsoNormal">hello,<u></u><u></u></p> </div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <div> <p class="MsoNormal">Recently I have bought one intel network card <u></u><u></u></p> </div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <div> <p class="MsoNormal"><a href="https://ark.intel.com/content/www/us/en/ark/products/210969/intel-ethernet-network-adapter-e8102cqda2.html" target="_blank">https://ark.intel.com/content/www/us/en/ark/products/210969/intel-ethernet-network-adapter-e8102cqda2.html</a><u></u><u></u></p> </div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <div> <p class="MsoNormal">The moment I do devbind, cards are shutting down.<u></u><u></u></p> </div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <div> <p class="MsoNormal">$ lspci | grep -i intel<br> c3:00.0 Ethernet controller: Intel Corporation Ethernet Controller E810-C for QSFP (rev 02)<br> c3:00.1 Ethernet controller: Intel Corporation Ethernet Controller E810-C for QSFP (rev 02)<br> <br> $ sudo dpdk-devbind.py -b vfio-pci c3:00.0 c3:00.1<br> <br> After this, cards are going down. EAL is giving following error<u></u><u></u></p> </div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <div> <p class="MsoNormal">EAL: Requested device 0000:c3:00.1 cannot be used<br> EAL: Error - exiting with code: 1<br> Cause: Error: number of ports must be even<u></u><u></u></p> </div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <div> <p class="MsoNormal">Did anyone face this issue or anyone know how to fix the issue?<u></u><u></u></p> </div> <div> <p class="MsoNormal"><br> Thanks & Regards<br> --<br> Lokesh Chakka.<u></u><u></u></p> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </blockquote></div>