Mellanox ConnectX-5 internal error when removing PF from the bond or disabling SR-IOV

Solution In Progress - Updated -


When using Mellanox ConnectX-5 adapter cards (mlx5 driver) in VF LAG mode, and when at least one VF of either PF is still bound/attached to a VM, an internal error might take place in the firmware when performing any of the following:

  • Removing PF from the bond (using ifdown, ip link or any other function)

  • Attempting to disable SR-IOV


  • Red Hat OpenStack Platform 13.0 (Red Hat Enterprise Linux 7)

  • Red Hat OpenStack Platform 16.1 (Red Hat Enterprise Linux 8)

  • Red Hat OpenStack Platform 16.2 (Red Hat Enterprise Linux 8)

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content