Hi,

 

We are using DPDK version “21.02” and facing issue while doing port start of MLX (ConnectX-4 Lx Virtual Function)

 

0000:0b:00.0 'MT27710 Family [ConnectX-4 Lx Virtual Function] 1016' if=eth2 drv=mlx5_core unused=

 

Photon kernel version - 4.19.277-3.ph3

 

Firmware version –

]# ethtool -i eth2

driver: mlx5_core

version: 5.0-0

firmware-version: 14.26.1040 (HP_2690110034)

expansion-rom-version:

bus-info: 0000:0b:00.0

supports-statistics: yes

supports-test: yes

supports-eeprom-access: no

supports-register-dump: no

supports-priv-flags: yes

 

modinfo mlx5_core

filename:       /lib/modules/4.19.277-3.ph3/kernel/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko.xz

version:        5.0-0

license:        Dual BSD/GPL

description:    Mellanox 5th generation network adapters (ConnectX series) core driver

author:         Eli Cohen eli@mellanox.com

srcversion:     981FA6D58D2B017B197F177

 

We are seeing following errors in dpdk when we start the port

 

2023/05/12 06:00:57:497 notice     dpdk           EAL: Couldn't map new region for DMA

2023/05/12 06:01:29:966 error      dpdk           Interface TwentyFiveGigabitEthernetb/0/0 error -12: Unknown error -12

2023/05/12 06:01:29:966 error      interface      sw_set_flags_helper: dpdk_interface_admin_up_down: Interface start failed

2023/05/12 06:01:29:966 notice     dpdk           common_mlx5: Unable to find virtually contiguous chunk for address (0x1000000000). rte_memseg_contig_walk() failed.

2023/05/12 06:01:29:966 notice     dpdk           mlx5_pci: Failed to init cache list NIC_ingress_0_matcher_cache entry (nil).

2023/05/12 06:01:29:966 notice     dpdk           mlx5_pci: port 0 failed to set defaults flows