Why do I see "kernel: do_IRQ: X.Y No irq handler for vector (irq -1)" messages on systems with Intel C600/X79 series chipset ?

Solution Verified - Updated -

Issue

  • Why do we see kernel: do_IRQ: X.Y No irq handler for vector (irq -1) messages on systems with Intel C600/X79 series chipset ?
  • Why do we see below messages in log file :
kernel: do_IRQ: X.Y No irq handler for vector (irq -1)

Environment

  • Red Hat Enterprise Linux
    • 6.x
  • Intel C600/X79 series chipset.

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