pci hot plug not working if no PCI device was connected at boot

Solution Verified - Updated -

Issue

  • kernel does not recognize a PCI device plugged into the server after RHEL was booted on servers that did not have PCI devices connected at boot

Environment

  • Red Hat Enterprise Linux (RHEL) 7
  • Red Hat Enterprise Linux (RHEL) 8
  • Red Hat Enterprise Linux (RHEL) 9

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