User Manual

TroubleshootingRev 2.3-1.0.1
Mellanox Technologies
204
5.4 InfiniBand/Ethernet Related Issues
Table 12 - InfiniBand/Ethernet Related Issues
Issue Cause Solution
Physical link fails to
negotiate to maximum
supported rate.
The adapter is running an
outdated firmware.
Install the latest firmware on the
adapter.
Physical link fails to
come up while port
physical state is Polling.
The cable is not connected
to the port or the port on the
other end of the cable is
disabled.
• Ensure that the cable is connected on
both ends or use a known working
cable
• Check the status of the connected
port using the
ibportstate com-
mand and enable it if necessary
Physical link fails to
come up while port
physical state is Dis-
abled.
The port was manually dis-
abled.
Restart the driver:
/etc/init.d/openibd restart
InfiniBand utilities
commands fail to find
devices on the system.
For example, the
'ibv_devinfo' com-
mand fail with the fol-
lowing output:
Failed to get IB
devices list: Func-
tion not implemented
The InfiniBand utilities
commands are invoked
when the driver is not
loaded.
Load the driver:
/etc/init.d/openibd start