https://bugzilla.kernel.org/show_bug.cgi?id=220777
Bug ID: 220777
Summary: ACPI error AE_AML_OPERAND_TYPE Method [WVPO] HP Z8 G4
BIOS v02.96
Product: ACPI
Version: 2.5
Kernel Version: 6.14.0-35-generic
Hardware: Intel
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: ACPICA-Core
Assignee: [email protected]
Reporter: [email protected]
Regression: No
HP Z8 G4 Workstation Latest BIOS version: P60 v02.96
acpidump file attached
dmesg log:
[Tue Nov 11 10:00:34 2025] ACPI Error: Needed [Buffer/String/Package], found
[Integer] 000000002fce32cb (20240827/exresop-557)
[Tue Nov 11 10:00:34 2025] ACPI Error: AE_AML_OPERAND_TYPE, While resolving
operands for [Index] (20240827/dswexec-433)
[Tue Nov 11 10:00:34 2025]
Initialized Local Variables for Method [WVPO]:
[Tue Nov 11 10:00:34 2025] Local1: 0000000077c3f2b0 <Obj>
Buffer(12) 00 00 00 00 00 00 00 00
[Tue Nov 11 10:00:34 2025] Initialized Arguments for Method [WVPO]: (2
arguments defined for method invocation)
[Tue Nov 11 10:00:34 2025] Arg0: 0000000027a736a5 <Obj> Integer
0000000000000004
[Tue Nov 11 10:00:34 2025] Arg1: 000000002fce32cb <Obj> Integer
0000000000000000
[Tue Nov 11 10:00:34 2025] ACPI Error: Aborting method \_SB.WMIV.WVPO due to
previous error (AE_AML_OPERAND_TYPE) (20240827/psparse-529)
[Tue Nov 11 10:00:34 2025] ACPI Error: Aborting method \_SB.WMIV.WMPV due to
previous error (AE_AML_OPERAND_TYPE) (20240827/psparse-529)
[Tue Nov 11 10:00:34 2025] ACPI Error: Needed [Buffer/String/Package], found
[Integer] 0000000018951422 (20240827/exresop-557)
[Tue Nov 11 10:00:34 2025] ACPI Error: AE_AML_OPERAND_TYPE, While resolving
operands for [Index] (20240827/dswexec-433)
[Tue Nov 11 10:00:34 2025]
Initialized Local Variables for Method [WVPO]:
[Tue Nov 11 10:00:34 2025] Local1: 00000000ab90a06b <Obj>
Buffer(12) 00 00 00 00 00 00 00 00
[Tue Nov 11 10:00:34 2025] Initialized Arguments for Method [WVPO]: (2
arguments defined for method invocation)
[Tue Nov 11 10:00:34 2025] Arg0: 0000000076736a18 <Obj> Integer
0000000000000004
[Tue Nov 11 10:00:34 2025] Arg1: 0000000018951422 <Obj> Integer
0000000000000000
[Tue Nov 11 10:00:34 2025] ACPI Error: Aborting method \_SB.WMIV.WVPO due to
previous error (AE_AML_OPERAND_TYPE) (20240827/psparse-529)
[Tue Nov 11 10:00:34 2025] ACPI Error: Aborting method \_SB.WMIV.WMPV due to
previous error (AE_AML_OPERAND_TYPE) (20240827/psparse-529)
[Tue Nov 11 10:00:34 2025] ACPI Error: Needed [Buffer/String/Package], found
[Integer] 0000000064f190bb (20240827/exresop-557)
[Tue Nov 11 10:00:34 2025] ACPI Error: AE_AML_OPERAND_TYPE, While resolving
operands for [Index] (20240827/dswexec-433)
[Tue Nov 11 10:00:34 2025]
Initialized Local Variables for Method [WVPO]:
[Tue Nov 11 10:00:34 2025] Local1: 00000000c6fabde2 <Obj>
Buffer(136) 00 00 00 00 00 00 00 00
[Tue Nov 11 10:00:34 2025] Initialized Arguments for Method [WVPO]: (2
arguments defined for method invocation)
[Tue Nov 11 10:00:34 2025] Arg0: 00000000c7bed39e <Obj> Integer
0000000000000080
[Tue Nov 11 10:00:34 2025] Arg1: 0000000064f190bb <Obj> Integer
0000000000000000
[Tue Nov 11 10:00:34 2025] ACPI Error: Aborting method \_SB.WMIV.WVPO due to
previous error (AE_AML_OPERAND_TYPE) (20240827/psparse-529)
[Tue Nov 11 10:00:34 2025] ACPI Error: Aborting method \_SB.WMIV.WMPV due to
previous error (AE_AML_OPERAND_TYPE) (20240827/psparse-529)
[Tue Nov 11 10:00:34 2025] input: HP WMI hotkeys as
/devices/virtual/input/input9
[Tue Nov 11 10:00:34 2025] ACPI Error: Needed [Buffer/String/Package], found
[Integer] 000000003e3ac14b (20240827/exresop-557)
[Tue Nov 11 10:00:34 2025] ACPI Error: AE_AML_OPERAND_TYPE, While resolving
operands for [Index] (20240827/dswexec-433)
[Tue Nov 11 10:00:34 2025]
Initialized Local Variables for Method [WVPO]:
[Tue Nov 11 10:00:34 2025] Local1: 00000000f1f46f9c <Obj>
Buffer(136) 00 00 00 00 00 00 00 00
[Tue Nov 11 10:00:34 2025] Initialized Arguments for Method [WVPO]: (2
arguments defined for method invocation)
[Tue Nov 11 10:00:34 2025] Arg0: 00000000aa5d7a82 <Obj> Integer
0000000000000080
[Tue Nov 11 10:00:34 2025] Arg1: 000000003e3ac14b <Obj> Integer
0000000000000000
[Tue Nov 11 10:00:34 2025] ACPI Error: Aborting method \_SB.WMIV.WVPO due to
previous error (AE_AML_OPERAND_TYPE) (20240827/psparse-529)
[Tue Nov 11 10:00:34 2025] ACPI Error: Aborting method \_SB.WMIV.WMPV due to
previous error (AE_AML_OPERAND_TYPE) (20240827/psparse-529)
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