mlx4_core: command 0xc failed: fw status = 0x40 error seen at boot with Mellanox InfiniBand cards

Solution In Progress - Updated -

Issue

  • mlx4_core module produces this error at boot:

    kernel: mlx4_core 0000:06:00.0: command 0xc failed: fw status = 0x40
    

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • Mellanox InfiniBand hardware

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.