Issue

• The system reports following ACPI error messages in log file.

kernel: [348084.431612] ACPI Error: No handler for Region [POWS] (ffff8810e9cbb090) [IPMI] (20130517/evregion-162)
kernel: [348084.431620] ACPI Error: Region IPMI (ID=7) has no handler (20130517/exfldio-305)
kernel: [348084.431625] ACPI Error: Method parse/execution failed [\_SB_.M111._PMM] (Node ffff8810e9cbac08), AE_NOT_EXIST (20130517/psparse-536)
kernel: [348084.431636] ACPI Exception: AE_NOT_EXIST, Evaluating _PMM (20130517/power_meter-339)

or

kernel: [   15.058968] ACPI Error: No handler for Region [SYSI] (ffff8820f3cf77e0) [IPMI] (20130517/evregion-162)
kernel: [   15.058976] ACPI Error: Region IPMI (ID=7) has no handler (20130517/exfldio-305)
kernel: [   15.058983] ACPI Error: Method parse/execution failed [\_SB_.PMI0._GHL] (Node ffff8820f3cde500), AE_NOT_EXIST (20130517/pspars
e-536)
kernel: [   15.058994] ACPI Error: Method parse/execution failed [\_SB_.PMI0._PMC] (Node ffff8820f3cde460), AE_NOT_EXIST (20130517/pspars
e-536)
kernel: [   15.059004] ACPI Exception: AE_NOT_EXIST, Evaluating _PMC (20130517/power_meter-753)