ログに ACPI: resource (null) [x] conflicts with ACPI region [y] メッセージが出力されるのはなぜですか?

Solution Unverified - Updated -

Issue

  • Proliant サーバー (DL380、ML350) に redhat 6.5 をインストールすると、dmesg に以下のメッセージが出力されます。このメッセージで言われているドライバーは何ですか?
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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