Mellanox Technologies ConnectX-4 Lx User Manual

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Mellanox Technologies
6 Troubleshooting
6.1 GeneralTroubleshooting
Server unable to find the adapter • 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
The adapter no longer works • 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
Adapters stopped working after installing another
adapter
• Try removing and re-installing all adapters
• Check that cables are connected properly
• Make sure your motherboard has the latest BIOS
Link indicator light is off • 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
Link light is on, but with no communication
established
• Check that the latest driver is loaded
• Check that both the adapter and its link are set to the
same speed and duplex settings
6.2 LinuxTroubleshooting
Environment Information 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
Card Detection lspci | grep -i Mellanox

Mellanox Technologies ConnectX-4 Lx Specifications

General

Brand	Mellanox Technologies
Model	ConnectX-4 Lx
Category	Adapter
Language	English