In RHEL 9.3 or later, "irqbalance: Cannot change IRQ 76 affinity: Input/output error "

Solution Verified - Updated -

Issue

  • irqbalance outputs error messages such as following.

    Jan 29 10:24:07 rhel9 /usr/sbin/irqbalance[854]: Cannot change IRQ 0 affinity: Input/output error
Jan 29 10:24:07 rhel9 /usr/sbin/irqbalance[854]: /usr/sbin/irqbalance[1041]: IRQ 0 affinity is now unmanaged

Environment

  • Red Hat Enterprise Linux 9.3 or later
  • irqbalance-1.9.2-3.el9 or later

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