Why messages 'ACPI: resource (null) [x] conflicts with ACPI region [y]' in log ?

Solution Unverified - Updated -

Issue

  • Found this message in dmesg, when redhat 6.5 is installed on a Proliant server (DL380, ML350). What driver is this about ?
ACPI: resource (null) [io  0x0928-0x092f] conflicts with ACPI region SGPE [io 0x920-0x92f]
ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver

Environment

  • Red Hat Enterprise Linux 6.5
  • ACPI

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