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* Issue : DPDK 21.11 rte_eth_dev_configure failing for X722 NIC
@ 2023-01-11  5:27 shiv chittora
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From: shiv chittora @ 2023-01-11  5:27 UTC (permalink / raw)
  To: users

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While upgrading DPDK from version 17.02 to 21.11 rte_eth_dev_configure is
failing with return code -22. Due to that, my application is not working.

PFB the details about the system.

   1. Using Intel Corporation Ethernet Connection X722.

lspci | grep "Ethernet" 3d:00.0 Ethernet controller: Intel Corporation
Ethernet Connection X722 for 10GBASE-T (rev 09) 3d:00.1 Ethernet
controller: Intel Corporation Ethernet Connection X722 for 10GBASE-T (rev
09) af:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network

   1. Driver used :

ethtool -i eth0 driver: i40e version: 2.7.29 firmware-version: 3.31
0x80000d31 1.1767.0 expansion-rom-version: bus-info: 0000:3d:00.0
supports-statistics: yes supports-test: yes supports-eeprom-access: yes
supports-register-dump: yes supports-priv-flags: yes


   Number of RX queues : 4

   enabled log using --log-level=pmd,8 , PFB the dpdk.log output.

"[Wed Jan 11 04:00:34 2023][ms_dpi: 1150] Starting DPDK logging session
EAL: Detected CPU lcores: 40 EAL: Detected NUMA nodes: 1 EAL: Static memory
layout is selected, amount of reserved memory can be adjusted with -m or
--socket-mem EAL: Detected shared linkage of DPDK EAL: Trace dir:
/root/dpdk-traces/rte-2023-01-11-AM-04-00-34 EAL: Multi-process socket
/var/run/dpdk/rte/mp_socket EAL: Selected IOVA mode 'PA' EAL: NUMA support
not available consider that all memory is in socket_id 0 EAL: Probe PCI
driver: net_i40e (8086:37d2) device: 0000:3d:00.1 (socket 0)
eth_i40e_dev_init(): >> i40e_pf_reset(): Core and Global modules ready 0
i40e_init_shared_code(): i40e_init_shared_code i40e_set_mac_type():

i40e_set_mac_type(): i40e_set_mac_type found mac: 3, returns: 0
i40e_init_nvm(): i40e_init_nvm i40e_allocate_dma_mem_d(): memzone
i40e_dma_0 allocated with physical address: 65496862720"

The application was working fine with DPDK version 17.02. Is there any
change with respect to the i40e driver which is causing this issue? All
libraries needed to build the application are present in the system like
-Wl,-lrte_net_enic -Wl,-lrte_net_i40e.

Did anybody face the same issue with provided configuration?

I am not able to figure out the root cause of this error. Any help is



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2023-01-11  5:27 Issue : DPDK 21.11 rte_eth_dev_configure failing for X722 NIC shiv chittora

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