User Manual

TroubleshootingRev 2.3-1.0.1
Mellanox Technologies
202
5 Troubleshooting
You may be able to easily resolve the issues described in this section. If a problem persists and
you are unable to resolve it yourself please contact your Mellanox representative or Mellanox
Support at [e-mail].
5.1 General Related Issues
Table 9 - General Related Issues
Issue Cause Solution
The system panics when
it is booted with a failed
adapter installed.
Malfunction hardware com-
ponent
1. Remove the failed adapter.
2. Reboot the system.
Mellanox adapter is not
identified as a PCI
device.
PCI slot or adapter PCI
connector dysfunctionality
1. Run lspci.
2. Reseat the adapter in its PCI slot or
insert the adapter to a different PCI slot.
If the PCI slot confirmed to be func-
tional, the adapter should be replaced.
Mellanox adapters are
not installed in the sys-
tem.
Misidentification of the
Mellanox adapter installed
Run the command below and check
Mellanox’s MAC to identify the Mella-
nox adapter installed.
lspci | grep Mellanox' or 'lspci
-d 15b3:
Mellanox MACs start with:
00:02:C9:xx:xx:xx, 00:25:8B:xx:xx:xx
or F4:52:14:xx:xx:xx"
5.2 Ethernet Related Issues
Table 10 - Ethernet Related Issues
Issue Cause Solution
No link. Misconfiguration of the
switch port or using a cable
not supporting link rate.
• Ensure the switch port is not down
• Ensure the switch port rate is config-
ured to the same rate as the adapter's
port