Still one more thing, the argument '-m' should be replaced with '--socket-mem'.
> On 12 Apr 2018, at 10:42, Elo, Matias (Nokia - FI/Espoo)
> <matias....@nokia.com> wrote:
>
> Hi,
>
> I may have figured out the issue here. Currently, the ODP DPDK pktio
> implementation configures DPDK to allocated memory only for socket 0.
>
> Could you please try running ODP again with environment variable
> ODP_PKTIO_DPDK_PARAMS="-m 512,512" set.
>
> E.g.
> sudo ODP_PKTIO_DPDK_PARAMS="-m 512,512" ./odp_l2fwd -c 1 -i 0,1
>
>
> If this doesn't help you could test this code change:
>
> diff --git a/platform/linux-generic/pktio/dpdk.c
> b/platform/linux-generic/pktio/dpdk.c
> index 7bccab8..2b8b8e4 100644
> --- a/platform/linux-generic/pktio/dpdk.c
> +++ b/platform/linux-generic/pktio/dpdk.c
> @@ -1120,7 +1120,8 @@ static int dpdk_pktio_init(void)
> return -1;
> }
>
> - mem_str_len = snprintf(NULL, 0, "%d", DPDK_MEMORY_MB);
> + mem_str_len = snprintf(NULL, 0, "%d,%d", DPDK_MEMORY_MB,
> + DPDK_MEMORY_MB);
>
> cmdline = getenv("ODP_PKTIO_DPDK_PARAMS");
> if (cmdline == NULL)
> @@ -1133,8 +1134,8 @@ static int dpdk_pktio_init(void)
> char full_cmd[cmd_len];
>
> /* first argument is facility log, simply bind it to odpdpdk for now.*/
> - cmd_len = snprintf(full_cmd, cmd_len, "odpdpdk -c %s -m %d %s",
> - mask_str, DPDK_MEMORY_MB, cmdline);
> + cmd_len = snprintf(full_cmd, cmd_len, "odpdpdk -c %s -m %d,%d %s",
> + mask_str, DPDK_MEMORY_MB, DPDK_MEMORY_MB, cmdline);
>
> for (i = 0, dpdk_argc = 1; i < cmd_len; ++i) {
> if (isspace(full_cmd[i]))
>
>
> -Matias
>
>
>> On 10 Apr 2018, at 21:37, gyanesh patra <pgyanesh.pa...@gmail.com> wrote:
>>
>> Hi Matias,
>>
>> The Mellanox interfaces are mapped to Numa Node 1. (device id: 81:00.x)
>> We have free hugepages on both Node0 and Node1 as identified below.
>>
>> root# cat
>> /sys/devices/system/node/node0/hugepages/hugepages-1048576kB/free_hugepages
>> 77
>> root# cat
>> /sys/devices/system/node/node1/hugepages/hugepages-1048576kB/free_hugepages
>> 83
>>
>> The ODP application is using CPU/lcore associated with numa Node1 too.
>> I have tried with the dpdk-17.11.1 version too without success.
>> The issue may be somewhere else.
>>
>> Regarding the usage of 2M pages (1024 x 2M pages):
>> - I unmounted the 1G hugepages and then set 1024x2M pages using
>> dpdk-setup.sh scripts.
>> - But with this setup failed with the same error as before.
>>
>> Let me know if there is any other option we can try.
>>
>> Thanks,
>> P Gyanesh Kumar Patra
>>
>> On Thu, Mar 29, 2018 at 4:46 AM, Elo, Matias (Nokia - FI/Espoo)
>> <matias....@nokia.com> wrote:
>> A second thing to try. Since you seem to have a NUMA system, the ODP
>> application should be run on the same NUMA socket as the NIC (e.g. using
>> taskset if necessary). In case of different sockets, both sockets should
>> have huge pages mapped.
>>
>> -Matias
>>
>>> On 29 Mar 2018, at 10:00, Elo, Matias (Nokia - FI/Espoo)
>>> <matias....@nokia.com> wrote:
>>>
>>> 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
>>>>>
>>>>>
>>>
>>
>>
>
