ACPI not work

[Paul.LKW]

Hello All:
I have a problem about ACPI not work with the following error from the
message log

Dec 21 20:22:24 amd-64 kernel: ioapic0: Assuming intbase of 0
Dec 21 20:22:24 amd-64 kernel: ioapic0 <Version 1.1> irqs 0-23 on
motherboard
Dec 21 20:22:24 amd-64 kernel: ACPI-0397: *** Error: NsSearchAndEnter: Bad
character in ACPI Name: 43005350
Dec 21 20:22:24 amd-64 kernel: ACPI-0381: *** Error: Looking up [0x43005350]
(NON-ASCII)
Dec 21 20:22:24 amd-64 kernel: in namespace, AE_BAD_CHARACTER
Dec 21 20:22:24 amd-64 kernel: ACPI-0204: *** Error: AcpiLoadTables: Could
not load namespace: AE_BAD_CHARACTER
Dec 21 20:22:24 amd-64 kernel: ACPI-0213: *** Error: AcpiLoadTables: Could
not load tables: AE_BAD_CHARACTER
Dec 21 20:22:24 amd-64 kernel: ACPI: table load failed: AE_BAD_CHARACTER

Any idea to fix it.
THX.