Troubleshooting; General Troubleshooting; Linux Troubleshooting - Nvidia Mellanox ConnectX-4 Lx User Manual

Troubleshooting

General Troubleshooting

Server unable to find
the adapter
The adapter no longer
works
Adapters stopped
working after installing
another adapter
Link indicator light is off
Link light is on, but with
no communication
established

Linux Troubleshooting

Environment Information
Card Detection
Mellanox Firmware Tool (MFT)
• Ensure that the adapter is placed correctly
• Make sure the adapter slot and the adapter are compatible
Install the adapter in a different PCI Express slot
• Use the drivers that came with the adapter or download the latest
• Make sure your motherboard has the latest BIOS
• Try to reboot the server
• Reseat the adapter in its slot or a different slot, if necessary
• Try using another cable
• Reinstall the drivers for the network driver files may be damaged or
deleted
• Reboot the server
• Try removing and re-installing all adapters
• Check that cables are connected properly
• Make sure your motherboard has the latest BIOS
• Try another port on the switch
• Make sure the cable is securely attached
• Check you are using the proper cables that do not exceed the
recommended lengths
• Verify that your switch and adapter port are compatible
• Check that the latest driver is loaded
• Check that both the adapter and its link are set to the same speed and
duplex settings
cat /etc/issue
uname -a
cat /proc/cupinfo | grep 'model name' | uniq
ofed_info -s
ifconfig -a
ip link show
ethtool <interface>
ethtool -i <interface_of_Mellanox_port_num>
ibdev2netdev
lspci | grep -i Mellanox
Download and install MFT:
content/pages.php?pg=management_tools&menu_section=34
Refer to the User Manual for installation instructions.
Once installed, run:
mst start
mst status
flint -d <mst_device> q
http://www.mellanox.com/
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