<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:large;color:#990000"><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black">Hi,</div><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black"><br aria-hidden="true"></div><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black">I am trying to enable DPDK interrupts with the function  <span style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">rte_eth_dev_rx_intr_enable </span>with a virtual function of i40e NIC then following segmentation fault coming when the function is called. The same code does not give a fault when used against the virtual function of the Intel 82599 NIC. I am using DPDK version dpdk-stable-22.11.1</div><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black"><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit"><br aria-hidden="true"></div><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">Program received signal SIGSEGV, <b>Segmentation fault.</b></div><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">0x00007fffe72bceb5 in iavf_dev_rx_queue_intr_enable () from /usr/local/lib64/dpdk/pmds-23.0/librte_net_iavf.so.23.0</div><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.6-13.el7.x86_64 elfutils-libelf-0.176-5.el7.x86_64 libacl-2.2.51-15.el7.x86_64 libarchive-3.1.2-14.el7_7.x86_64 libattr-2.4.46-13.el7.x86_64 libpcap-1.5.3-13.el7_9.x86_64 lzo-2.06-8.el7.x86_64</div><div style="border:0px;font-style:inherit;font-variant:inherit;font-stretch:inherit;font-size:inherit;line-height:inherit;font-family:inherit;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit"><b>(gdb) bt</b></div><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">#0  0x00007fffe72bceb5 in iavf_dev_rx_queue_intr_enable () from /usr/local/lib64/dpdk/pmds-23.0/librte_net_iavf.so.23.0</div><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">#1  0x00007ffff6be98df in rte_eth_dev_rx_intr_enable () from /usr/local/lib64/librte_ethdev.so.23</div><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">#2  0x0000000000624a40 in init_queues ()</div><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">#3  0x0000000000410612 in packet_handler_fmwk_init ()</div><div style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:inherit">#4  0x0000000000405e23 in main ()</div>(gdb)<br aria-hidden="true"></div><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black"><br aria-hidden="true"></div><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black">Is there a known issue around this in DPDK ?</div><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black"><br></div><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black">Thanks & Regards,</div><div style="border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-variant-alternates:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;font-kerning:inherit;font-feature-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black">Sandeep Kumar</div></div></div>