<div dir="ltr">Dear all,<div><br></div><div>I try to run the application depending on v19.11 DPDK in CentOS 7.7,and I got the error: "<font color="#e06666">EAL: Cannot initialize tailq: RTE_EVENT_RING</font>". </div><div>I don't know what kind of factor to cause this problem. Is there any potential solution to address it?</div><div><br></div><div><b>Here is the entire log below:</b></div><div><span style="background-color:rgb(238,238,238)">[root@server bin]# sudo -E LD_LIBRARY_PATH=$LD_LIBRARY_PATH ./oran_5g_fapi --cfg=oran_5g_fapi.cfg<br>long optsconfig file: oran_5g_fapi.cfg<br>init dev name: /dev/wls0<br>init basename: wls0<br>Calling rte_eal_init: ./oran_5g_fapi --proc-type=secondary --file-prefix wls0 -w 0000:00:06.0 --iova-mode=pa<br>EAL: Detected 96 lcore(s)<br>EAL: Detected 2 NUMA nodes<br>EAL: Multi-process socket /var/run/dpdk/wls0/mp_socket_9789_14bf3a06701c<br>EAL: Selected IOVA mode 'PA'<br>EAL: Probing VFIO support...<br>EAL: VFIO support initialized<br>EAL: Cannot initialize tailq: RTE_EVENT_RING<br>Tailq 0: qname:<VFIO_RESOURCE_LIST>, tqh_first:0x1bffe8dc0, tqh_last:0x1bff2bdc0<br>Tailq 1: qname:<UIO_RESOURCE_LIST>, tqh_first:(nil), tqh_last:0x1000022b8<br>Tailq 2: qname:<RTE_DISTRIBUTOR>, tqh_first:(nil), tqh_last:0x1000022e8<br>Tailq 3: qname:<RTE_DIST_BURST>, tqh_first:(nil), tqh_last:0x100002318<br>Tailq 4: qname:<RTE_REORDER>, tqh_first:(nil), tqh_last:0x100002348<br>Tailq 5: qname:<RTE_KNI>, tqh_first:(nil), tqh_last:0x100002378<br>Tailq 6: qname:<RTE_HASH>, tqh_first:(nil), tqh_last:0x1000023a8<br>Tailq 7: qname:<RTE_FBK_HASH>, tqh_first:(nil), tqh_last:0x1000023d8<br>Tailq 8: qname:<RTE_LPM>, tqh_first:(nil), tqh_last:0x100002408<br>Tailq 9: qname:<RTE_LPM6>, tqh_first:(nil), tqh_last:0x100002438<br>Tailq 10: qname:<RTE_ACL>, tqh_first:(nil), tqh_last:0x100002468<br>Tailq 11: qname:<RTE_MBUF_DYNFLAG>, tqh_first:(nil), tqh_last:0x100002498<br>Tailq 12: qname:<RTE_MBUF_DYNFIELD>, tqh_first:(nil), tqh_last:0x1000024c8<br>Tailq 13: qname:<RTE_MEMPOOL>, tqh_first:(nil), tqh_last:0x1000024f8<br>Tailq 14: qname:<RTE_RING>, tqh_first:0x1bfea98c0, tqh_last:0x1bff14140<br>Tailq 15: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 16: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 17: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 18: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 19: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 20: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 21: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 22: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 23: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 24: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 25: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 26: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 27: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 28: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 29: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 30: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>Tailq 31: qname:<>, tqh_first:(nil), tqh_last:(nil)<br>EAL: FATAL: Cannot init tail queues for objects<br>EAL: Cannot init tail queues for objects<br>PANIC in nr5g_fapi_dpdk_init():<br>Cannot init EAL<br>6: [./oran_5g_fapi() [0x403129]]<br>5: [/lib64/libc.so.6(__libc_start_main+0xf5) [0x7fdef1ae0555]]<br>4: [./oran_5g_fapi() [0x40348f]]<br>3: [./oran_5g_fapi() [0x40ed04]]<br>2: [/root/intel/dpdk-19.11/x86_64-native-linuxapp-icc/lib/librte_eal.so.20.0(__rte_panic+0xc9) [0x7fdef3f55ca9]]<br>1: [/root/intel/dpdk-19.11/x86_64-native-linuxapp-icc/lib/librte_eal.so.20.0(rte_dump_stack+0x17) [0x7fdef3f36047]]<br>Aborted</span><br></div><div><br></div><div>Best Regards,</div><div>Dennis</div></div>