Hi Gyanesh, It seems you are using 1G huge pages. Have you tried using 2M pages (1024 x 2M pages should be enough)? As Bill noted, this seems like a memory related issue.
-Matias > On 28 Mar 2018, at 18:15, gyanesh patra <pgyanesh.pa...@gmail.com> wrote: > > Yes, it is. > The error is the same. I did replied that the only difference I see is with > Ubuntu version and different minor version of mellanox driver. > > On Wed, Mar 28, 2018, 07:29 Bill Fischofer <bill.fischo...@linaro.org> wrote: > Thanks for the update. Sounds like you're already using DPDK 17.11? > What about Mellanox driver level? Is the failure the same as you > originally reported? > > From the reported error: > > pktio/dpdk.c:1538:dpdk_start():Queue setup failed: err=-12, port=0 > odp_l2fwd.c:1671:main():Error: unable to start 0 > > This is a DPDK PMD driver error reported by rte_eth_rx_queue_setup(). > In the Mellanox PMD (drivers/net/mlx5/mlx5_rxq.c) this is the > mlx5_rx_queue_setup() routine. The relevant code seems to be this: > > if (rxq != NULL) { > DEBUG("%p: reusing already allocated queue index %u (%p)", > (void *)dev, idx, (void *)rxq); > if (priv->started) { > priv_unlock(priv); > return -EEXIST; > } > (*priv->rxqs)[idx] = NULL; > rxq_cleanup(rxq_ctrl); > /* Resize if rxq size is changed. */ > if (rxq_ctrl->rxq.elts_n != log2above(desc)) { > rxq_ctrl = rte_realloc(rxq_ctrl, > sizeof(*rxq_ctrl) + > (desc + desc_pad) * > sizeof(struct rte_mbuf *), > RTE_CACHE_LINE_SIZE); > if (!rxq_ctrl) { > ERROR("%p: unable to reallocate queue index %u", > (void *)dev, idx); > priv_unlock(priv); > return -ENOMEM; > } > } > } else { > rxq_ctrl = rte_calloc_socket("RXQ", 1, sizeof(*rxq_ctrl) + > (desc + desc_pad) * > sizeof(struct rte_mbuf > *), > 0, socket); > if (rxq_ctrl == NULL) { > ERROR("%p: unable to allocate queue index %u", > (void *)dev, idx); > priv_unlock(priv); > return -ENOMEM; > } > } > > The reported -12 error code is -ENOMEM so I'd say the issue is some > sort of memory allocation failure. > > > On Wed, Mar 28, 2018 at 8:43 AM, gyanesh patra <pgyanesh.pa...@gmail.com> > wrote: > > Hi Bill, > > I tried with Matias' suggestions but without success. > > > > P Gyanesh Kumar Patra > > > > On Mon, Mar 26, 2018 at 4:16 PM, Bill Fischofer <bill.fischo...@linaro.org> > > wrote: > >> > >> Hi Gyanesh, > >> > >> Have you had a chance to look at > >> https://bugs.linaro.org/show_bug.cgi?id=3657 and see if Matias' suggestions > >> are helpful to you? > >> > >> Thanks, > >> > >> Regards, > >> Bill > > > >