https://bugzilla.kernel.org/show_bug.cgi?id=215994
Bug ID: 215994
Summary: ACPI BIOS Error (bug): Attempt to CreateField of
length zero - HP 14-dk1xxx Laptop
Product: ACPI
Version: 2.5
Kernel Version: 5.17.3
Hardware: AMD
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 300987
--> https://bugzilla.kernel.org/attachment.cgi?id=300987&action=edit
Kernel messages (repeated parts are omitted)
Today I found the kernel message is filled by the following repeating errors:
[520711.531096] ACPI BIOS Error (bug): Attempt to CreateField of length zero
(20211217/dsopcode-133)
[520711.532405] ACPI Error: Aborting method \HWMC due to previous error
(AE_AML_OPERAND_VALUE) (20211217/psparse-529)
[520711.535094] ACPI Error: Aborting method \_SB.WMID.WMAA due to previous
error (AE_AML_OPERAND_VALUE) (20211217/psparse-529)
[520741.523722] ACPI BIOS Error (bug): Attempt to CreateField of length zero
(20211217/dsopcode-133)
[520741.525029] ACPI Error: Aborting method \HWMC due to previous error
(AE_AML_OPERAND_VALUE) (20211217/psparse-529)
[520741.529127] ACPI Error: Aborting method \_SB.WMID.WMAA due to previous
error (AE_AML_OPERAND_VALUE) (20211217/psparse-529)
It's happening every 30 seconds. The same error was observed before but hadn't
been recurring like this.
It turned out the error became recurring when I started to run Prometheus
node-exporter on the machine. 30sec is exactly the interval I set to scrape
metrics. I believe it happens when the node-exporter scrape some ACPI-related
data.
Hardware: HP 14-dk1xxx Laptop. It's actually used as an NAS so running 24/7.
Kernel version: Linux mar 5.17.0-1-amd64 #1 SMP PREEMPT Debian 5.17.3-1
(2022-04-18) x86_64 GNU/Linux
I'm using `acpi_backlight=vendor` kernel option, but I can't remember why.
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