Oracle VM: Mellanox ConnectX-4 Lx Support (Doc ID 2718252.1)

Last updated on OCTOBER 23, 2020

Applies to:

Symptoms

After installing Oracle VM 3.4.6 in a new server with Mellanox CX4 Ethernet adapters, the Ethernet adapters are not visible in ip addr output.

The card is correctly detected:

# cat lspci | grep -i net
12:00.0 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]
12:00.1 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]
37:00.0 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]
37:00.1 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]

The driver is correctly installed:

# cat lsmod | grep -i mlx
mlx5_ib 118784 0
ib_core 102400 1 mlx5_ib
mlx5_core 106496 1 mlx5_ib

Changes

Cause

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