Bug 220777 - ACPI error AE_AML_OPERAND_TYPE Method [WVPO] HP Z8 G4 BIOS v02.96
Summary: ACPI error AE_AML_OPERAND_TYPE Method [WVPO] HP Z8 G4 BIOS v02.96
Status: NEW
Alias: None
Product: ACPI
Classification: Unclassified
Component: ACPICA-Core (show other bugs)
Hardware: Intel Linux
: P3 normal
Assignee: acpi_acpica-core@kernel-bugs.osdl.org
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-11-11 11:02 UTC by Phil Shaw
Modified: 2025-11-11 11:13 UTC (History)
0 users

See Also:
Kernel Version: 6.14.0-35-generic
Subsystem:
Regression: No
Bisected commit-id:

Attachments
acpidump file (30 bytes, text/plain)
2025-11-11 11:10 UTC, Phil Shaw 		Details
Add an attachment (proposed patch, testcase, etc.)

Description Phil Shaw 2025-11-11 11:02:31 UTC 
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)
Comment 1 Phil Shaw 2025-11-11 11:10:31 UTC 
Created attachment 308931 [details]
acpidump file
Comment 2 Phil Shaw 2025-11-11 11:13:16 UTC 
acpidump file here: https://fromsmash.com/acpidump
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