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Exalogic Compute Node IB Network Going Down Frequently With Mlx4_ib_event MLX4_DEV_EVENT_PORT_DOWN Error Messages (Doc ID 2204140.1)

Last updated on APRIL 23, 2018

Applies to:

Oracle Exalogic Elastic Cloud Software - Version 2.0.6.2.4 and later
Linux x86-64

Symptoms

In Exalogic Linux Physical racks issue of Compute nodes IB network going down frequently is seen.

Exalogic compute node report failed bond1 (IPOIB ) interface. Several mlx4_ib_event MLX4_DEV_EVENT_PORT_DOWN messages are seen in /var/log/messages.

Below are error messages in /var/log/messages system logs on Compute Node.

Cause

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