mlx5_common: failed to load mlx5_eth driver issue

["Singh, Jasvinder" <jasvinder.singh@intel.com>]

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Hi Folks,

I am trying to run dpdk-testpmd in a container with NVIDIA ConnectX-7 NIC card on the system and facing issue described below. Details on the system setup are as follow-

Host Configuration for OFED and CX7:
Nvidia CX7 is configured to use Ethernet as opposed to InfiniBand with the following steps:

OFED driver installation:
./mlnxofedinstall --without-dkms --add-kernel-support --kernel 6.8.0-51-generic --without-fw-update --force

Configuration:

mlxconfig -d /dev/mst/mt4129_pciconf0  set LINK_TYPE_P1=2
mlxconfig -d /dev/mst/mt4129_pciconf1  set LINK_TYPE_P1=2

SRIOV has been also enabled on the NIC.

The above configuration resulted in successfully deploying dpdk-testpmd on virtual functions on the host.

Container Configuration for OFED:
Ubuntu 22.04 used within container.

# Install mlnx OFED Drivers
RUN wget https://www.mellanox.com/downloads/ofed/MLNX_OFED-24.07-0.6.1.0/MLNX_OFED_LINUX-24.07-0.6.1.0-ubuntu24.04-x86_64.tgz \
       && tar -xvf MLNX_OFED_LINUX-24.07-0.6.1.0-ubuntu24.04-x86_64.tgz \
       && cd MLNX_OFED_LINUX-24.07-0.6.1.0-ubuntu24.04-x86_64 \
       && ./mlnxofedinstall --force --without-fw-update --dpdk --upstream-libs

Dpdk-testpmd error log:

root@tpmd-0:/tmp/dpdk-build/app# ./dpdk-testpmd -n 4 -a 60:00.1 -a 60:00.2  -- -i
EAL: Detected CPU lcores: 128
EAL: Detected NUMA nodes: 1
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: Probe PCI driver: mlx5_pci (15b3:101e) device: 0000:60:00.1 (socket 0)
mlx5_net: Unable to recognize master/representors on the multiple IB devices.
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:60:00.1 cannot be used
EAL: Probe PCI driver: mlx5_pci (15b3:101e) device: 0000:60:00.2 (socket 0)
mlx5_net: Unable to recognize master/representors on the multiple IB devices.
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:60:00.2 cannot be used
EAL: Bus (pci) probe failed.
TELEMETRY: No legacy callbacks, legacy socket not created
testpmd: No probed ethernet devices
Interactive-mode selected
testpmd: create a new mbuf pool <mb_pool_0>: n=1163456, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
Done
testpmd> quit


Please provide help to resolve above.


Thanks,
Jasvinder




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