Issue

• What does "ACPI: OEM1 xxxxxxxxxxxxxxxx 00030 (v01 IBM IBMERROR 00000001 MSFT 01000013)" mean?

dmesg sample at system boot time:

ACPI: RSDP 00000000000fdfd0 00024 (v02 IBM   )
ACPI: XSDT 000000006b4871c0 000C4 (v01 IBM    SERMEGAL 00000000      01000013)
ACPI: FACP 000000006a644000 000F4 (v04 IBM    SERMEGAL 00000000 MSFT 01000019)
ACPI: DSDT 000000006a613000 051F1 (v01 INTEL  TIANO    00000003 MSFT 01000013)
ACPI: FACS 000000007e7f8000 00040
ACPI: TCPA 000000006ac3b000 00064 (v00                 00000000      00000000)
ACPI: ERST 000000006a645000 00230 (v01 IBM    SERMEGAL 00000001 MSFT 0100001B)
ACPI: HEST 000000006a641000 001A4 (v01 IBM    SERMEGAL 00000001 MSFT 0100001E)
ACPI: HPET 000000006a640000 00038 (v01 IBM    SERMEGAL 00000001 MSFT 01000017)
ACPI: APIC 000000006a63d000 000EA (v03 IBM    SERMEGAL 00000000 MSFT 01000014)
ACPI: MCFG 000000006a63f000 0003C (v01 IBM    SERMEGAL 00000001 MSFT 01000018)
ACPI: OEM0 000000006a63e000 001E8 (v03 IBM    XSECSRAT 00000100 MSFT 01000022)
ACPI: OEM1 000000006a628000 00030 (v01 IBM    IBMERROR 00000001 MSFT 01000013)
ACPI: SLIT 000000006a627000 00030 (v01 IBM    SERMEGAL 00000001 MSFT 01000020)
ACPI: SRAT 000000006a626000 001A8 (v03 IBM    SERMEGAL 00000001 MSFT 0100001A)
ACPI: SLIC 000000006a625000 00176 (v01 IBM    SERMEGAL 00000000 MSFT 0100001F)
ACPI: SSDT 000000006a610000 003AF (v02 IBM    CPUSCOPE 00004000 MSFT 01000016)
ACPI: SSDT 000000006a60f000 00396 (v02 IBM    CPUWYVRN 00004000 MSFT 01000016)
ACPI: SSDT 000000006a604000 04744 (v02 IBM    PSTATEPM 00004000 MSFT 01000016)
ACPI: SSDT 000000006a611000 00A3A (v02 IBM    CPUCSTAT 00004000 MSFT 01000016)
ACPI: SSDT 000000006a60e000 00214 (v02 IBM    WYVRNDEV 00004000 MSFT 01000016)
ACPI: SSDT 000000006a60d000 0009E (v02 IBM    WYVRNGPE 00004000 MSFT 01000016)
ACPI: SSDT 000000006a60a000 004CF (v02 IBM    CPUNOTFY 00004000 MSFT 01000016)
ACPI: DMAR 00000000685ce000 00180 (v01 IBM    SERMEGAL 00000001 MSFT 01000021)
ACPI: Local APIC address 0xfee00000