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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: [dpdk-users] Problem in dpdk mpool initialization in dpdk20.11 X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" Hi, I am porting the application from dpdk 17.11 to dpdk 20.11 Application uses centos7.9 and melanox 5.2.2 PMD Below api call works fine in dpdk17.11 but fails in dpdk20.11 rte_pktmbuf_pool_create ("mbuf_pool_0", (4096 * 64 * 16 - 1), 512, 0, RTE_M= BUF_DEFAULT_BUF_SIZE) fails with error no 22 (EINVAL) -MBUF: error setting mempool handler -PANIC in app_init_mbuf_pools(): -Cannot create mbuf pool on socket 0 (errno=3D22) On adding debug trace found that rte_mempool_ops_table.num_ops =3D0. Not sure what is causing this issue. Can you please point out likely cause = of this? Best Regards, Pinak