tar -xvf MLNX_OFED_LINUX-4.9-4.1.7.0-ubuntu20.04-x86_64.tgz
cd MLNX_OFED_LINUX-4.9-4.1.7.0-ubuntu20.04-x86_64

$ ./mlnxofedinstall

Logs dir: /tmp/MLNX_OFED_LINUX.18504.logs
General log file: /tmp/MLNX_OFED_LINUX.18504.logs/general.log

Below is the list of MLNX_OFED_LINUX packages that you have chosen
(some may have been added by the installer due to package dependencies):

ofed-scripts
mlnx-ofed-kernel-utils
mlnx-ofed-kernel-dkms
rshim-dkms
iser-dkms
isert-dkms
srp-dkms
libibverbs1
ibverbs-utils
libibverbs-dev
libibverbs1-dbg
libmlx4-1
libmlx4-dev
libmlx4-1-dbg
libmlx5-1
libmlx5-dev
libmlx5-1-dbg
libibumad
libibumad-static
libibumad-devel
ibacm
ibacm-dev
librdmacm1
librdmacm-utils
librdmacm-dev
mstflint
ibdump
libibmad
libibmad-static
libibmad-devel
libopensm
opensm
opensm-doc
libopensm-devel
infiniband-diags
infiniband-diags-compat
mft
kernel-mft-dkms
libibcm1
libibcm-dev
perftest
ibutils2
libibdm1
ibutils
ar-mgr
dump-pr
ibsim
ibsim-doc
ucx
sharp
hcoll
knem-dkms
knem
openmpi
mpitests
libdapl2
dapl2-utils
libdapl-dev
srptools
mlnx-ethtool
mlnx-iproute2

This program will install the MLNX_OFED_LINUX package on your machine.
Note that all other Mellanox, OEM, OFED, RDMA or Distribution IB packages will be removed.
Those packages are removed due to conflicts with MLNX_OFED_LINUX, do not reinstall them.

Do you want to continue?[y/N]:y

Checking SW Requirements...
One or more required packages for installing MLNX_OFED_LINUX are missing.
Attempting to install the following missing packages:
quilt automake dpatch libgfortran4 flex dkms gcc make autoconf chrpath tcl gfortran swig autotools-dev graphviz tk m4 libnl-route-3-200 libltdl-dev debhelper bison pkg-config
Removing old packages...
Installing new packages
Installing ofed-scripts-4.9...
Installing mlnx-ofed-kernel-utils-4.9...
Installing mlnx-ofed-kernel-dkms-4.9...

Installing rshim-dkms-1.18...
Installing iser-dkms-4.9...
Installing isert-dkms-4.9...
Installing srp-dkms-4.9...
Installing libibverbs1-41mlnx1...
Installing ibverbs-utils-41mlnx1...
Installing libibverbs-dev-41mlnx1...
Installing libibverbs1-dbg-41mlnx1...
Installing libmlx4-1-41mlnx1...
Installing libmlx4-dev-41mlnx1...
Installing libmlx4-1-dbg-41mlnx1...
Installing libmlx5-1-41mlnx1...
Installing libmlx5-dev-41mlnx1...
Installing libmlx5-1-dbg-41mlnx1...
Installing libibumad-43.1.1.MLNX20200211.078947f...
Installing libibumad-static-43.1.1.MLNX20200211.078947f...
Installing libibumad-devel-43.1.1.MLNX20200211.078947f...
Installing ibacm-41mlnx1...
Installing ibacm-dev-41mlnx1...
Installing librdmacm1-41mlnx1...
Installing librdmacm-utils-41mlnx1...
Installing librdmacm-dev-41mlnx1...
Installing mstflint-4.14.0...
Installing ibdump-6.0.0...
Installing libibmad-5.4.0.MLNX20190423.1d917ae...
Installing libibmad-static-5.4.0.MLNX20190423.1d917ae...
Installing libibmad-devel-5.4.0.MLNX20190423.1d917ae...
Installing libopensm-5.7.2.MLNX20201014.9378048...
Installing opensm-5.7.2.MLNX20201014.9378048...
Installing opensm-doc-5.7.2.MLNX20201014.9378048...
Installing libopensm-devel-5.7.2.MLNX20201014.9378048...
Installing infiniband-diags-5.6.0.MLNX20200211.354e4b7...
Installing infiniband-diags-compat-5.6.0.MLNX20200211.354e4b7...
Installing mft-4.15.1...
Installing kernel-mft-dkms-4.15.1...
Installing libibcm1-41mlnx1...
Installing libibcm-dev-41mlnx1...
Installing perftest-4.5.0.mlnxlibs...
Installing ibutils2-2.1.1...
Installing libibdm1-1.5.7.1...
Installing ibutils-1.5.7.1...
Installing ar-mgr-1.0...
Installing dump-pr-1.0...
Installing ibsim-0.10...
Installing ibsim-doc-0.10...
Installing ucx-1.8.0...
Installing sharp-2.1.2.MLNX20200428.ddda184...
Installing hcoll-4.4.2968...
Installing knem-dkms-1.1.4.90mlnx1...
Installing knem-1.1.4.90mlnx1...
Installing openmpi-4.0.3rc4...
Installing mpitests-3.2.20...
Installing libdapl2-2.1.10.1.mlnx...
Installing dapl2-utils-2.1.10.1.mlnx...
Installing libdapl-dev-2.1.10.1.mlnx...
Installing srptools-41mlnx1...
Installing mlnx-ethtool-5.4...
Installing mlnx-iproute2-5.4.0...
Selecting previously unselected package mlnx-fw-updater.
(Reading database ... 87526 files and directories currently installed.)
Preparing to unpack .../mlnx-fw-updater_4.9-4.1.7.0_amd64.deb ...
Unpacking mlnx-fw-updater (4.9-4.1.7.0) ...
Setting up mlnx-fw-updater (4.9-4.1.7.0) ...

Added 'RUN_FW_UPDATER_ONBOOT=no to /etc/infiniband/openib.conf

Initializing...
Attempting to perform Firmware update...

The firmware for this device is not distributed inside Mellanox driver: b3:00.0 (PSID: HP_1380110017)
To obtain firmware for this device, please contact your HW vendor.

Failed to update Firmware.
See /tmp/MLNX_OFED_LINUX.18504.logs/fw_update.log
Device (b3:00.0):
	b3:00.0 Network controller: Mellanox Technologies MT27520 Family [ConnectX-3 Pro]
	Link Width: x8
	PCI Link Speed: 8GT/s

Installation passed successfully
To load the new driver, run:
/etc/init.d/openibd restart

重启机器，然后检验：

$ modinfo mlx4_core | grep version

version:        4.9-4.1.7
srcversion:     B7B1BFEEF8DC7BE5A999C14
vermagic:       5.4.0-94-generic SMP mod_unload modversions