Why does a system leave "PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug" message ?

Solution Unverified - Updated -

Issue

  • After update from Red Hat Enterprise Linux 6.2 to 6.3, seen below message :
  • In RHEL 6.5, seen below message in dmesg file :
PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

Environment

  • Red Hat Enterprise Linux 6.x
  • HP ProLiant DL380

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