Mellanox ConnectX 4 Lx Firmware recovery

CentOS 7.6

Install latest Mellanox MFT

http://www.mellanox.com/page/management_tools

Download latest firmware for your card (there are different models)

http://www.mellanox.com/page/firmware_table_ConnectX4LxEN

Unzip

Start MST

mst start
mst status

Note device ID of your card

Flash

flint -nofs --use_image_ps --ignore_dev_data  -d /dev/mst/mt523_pciconf0 -i fw-ConnectX4Lx-rel-14_25_1020-MCX4121A-ACA_Ax-UEFI-14.18.19-FlexBoot-3.5.701.bin burn

Power off and power cycle (Important!)

Start MST

mst start
mst status

Note device ID of your card

Flash GUID and MAC (you need to generate your own pair)

flint -d /dev/mst/mt4117_pciconf0 -guid 00237d030093ee7a -mac 000000237d93ee7a -ocr sg

Power off and power cycle (Important!)