安裝 Mellanox Technologies MT27800 Family [ConnectX-5] 網卡遇到的問題

# ./install
Logs dir: /tmp/mlnx-en.5939.logs
General log file: /tmp/mlnx-en.5939.logs/general.log

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

ofed-scripts
mlnx-tools
mlnx-en-utils
mlnx-en-dkms
mstflint

This program will install the mlnx-en 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-en, do not reinstall them.

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

Checking SW Requirements...
Removing old packages...
Uninstalling the previous version of mlnx-en
Installing new packages
Installing ofed-scripts-5.6...
Installing mlnx-tools-5.2.0...
Installing mlnx-en-utils-5.6...
Installing mlnx-en-dkms-5.6...
Installing mstflint-4.16.1...
Selecting previously unselected package mlnx-fw-updater.
(Reading database ... 210670 files and directories currently installed.)
Preparing to unpack .../mlnx-fw-updater_5.6-2.0.9.0_amd64.deb ...
Unpacking mlnx-fw-updater (5.6-2.0.9.0) ...
Setting up mlnx-fw-updater (5.6-2.0.9.0) ...
Initializing...
Attempting to perform Firmware update...
Querying Mellanox devices firmware ...
write counter to semaphore: Operation not permitted
write counter to semaphore: Operation not permitted
write counter to semaphore: Operation not permitted
write counter to semaphore: Operation not permitted

Device #1:
----------

  Device Type:      N/A
  Part Number:      --
  Description:
  PSID:
  PCI Device Name:  01:00.0
  Port1 MAC:        N/A
  Port1 GUID:       N/A
  Port2 MAC:        N/A
  Port2 GUID:       N/A
  Versions:         Current        Available
     FW             --

  Status:           Failed to open device

---------
-E- Failed to query 01:00.0 device, error : No such file or directory.
MFE_CR_ERROR

Log File: /tmp/sjNcu8e07V
Real log file: /tmp/mlnx-en.5939.logs/fw_update.log
Device (01:00.0):
    01:00.0 Ethernet controller: Mellanox Technologies MT27800 Family
[ConnectX-5]
    Link Width: x16
    PCI Link Speed: 8GT/s

Device (01:00.1):
    01:00.1 Ethernet controller: Mellanox Technologies MT27800 Family
[ConnectX-5]
    Link Width: x16
    PCI Link Speed: 8GT/s

Installation passed successfully
To load the new driver, run:
/etc/init.d/mlnx-en.d restart
root@frblab1:/media/dvd# /etc/init.d/mlnx-en.d restart
Unloading NIC driver:                                      [  OK  ]
Loading Mellanox MLX5 NIC driver:                          [FAILED]
Loading NIC driver:                                        [FAILED]

Please run /usr/sbin/sysinfo-snapshot.py to collect the debug information
and open an issue in the
http://support.mellanox.com/SupportWeb/service_center/SelfService

主要遇到”write counter to semaphore: Operation not permitted”這個問題，後來找到必須要停止使用 secure boot :

# mokutil --disable-validation

詳細參考：insmod or modprobe 出現 Required key not available 錯誤