https://bugzilla.kernel.org/show_bug.cgi?id=214929
Bug ID: 214929
Summary: [ACPI/battery]: Battery unavailable - ACPI Error:
Divide by zero (20210604/utmath-478)
Product: ACPI
Version: 2.5
Kernel Version: 5.14.15
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Battery
Assignee: acpi_power-batt...@kernel-bugs.osdl.org
Reporter: arthurborsb...@gmail.com
Regression: No
Created attachment 299431
--> https://bugzilla.kernel.org/attachment.cgi?id=299431&action=edit
Dmesg-5.14.15-with-ACPI-Divide-Error
LXQt Desktop reports recently that the laptop battery is unavailable.
OS: Arch Linux
Kernel: 5.14.15
Laptop: MSI Bravo 17
Steps to reproduce: start laptop and login to desktop.
Looking at the dmesg the following errors are found.
[ 0.375136] ACPI Error: Divide by zero (20210604/utmath-478)
[ 0.375145] ACPI Error: Aborting method \_SB.PCI0.SBRG.EC.BAT1.UPBS due to
previous error (AE_AML_DIVIDE_BY_ZERO) (20210604/psparse-529)
[ 0.375151] ACPI Error: Aborting method \_SB.PCI0.SBRG.EC.BAT1._BST due to
previous error (AE_AML_DIVIDE_BY_ZERO) (20210604/psparse-529)
[ 0.375157] ACPI: \_SB_.PCI0.SBRG.EC__.BAT1: _BST evaluation failed:
AE_AML_DIVIDE_BY_ZERO
[ 0.404716] ACPI Error: Divide by zero (20210604/utmath-478)
[ 0.404725] ACPI Error: Aborting method \_SB.PCI0.SBRG.EC.BAT1.UPBS due to
previous error (AE_AML_DIVIDE_BY_ZERO) (20210604/psparse-529)
[ 0.404732] ACPI Error: Aborting method \_SB.PCI0.SBRG.EC.BAT1._BST due to
previous error (AE_AML_DIVIDE_BY_ZERO) (20210604/psparse-529)
[ 0.404737] ACPI: \_SB_.PCI0.SBRG.EC__.BAT1: _BST evaluation failed:
AE_AML_DIVIDE_BY_ZERO
[ 0.434701] ACPI Error: Divide by zero (20210604/utmath-478)
[ 0.434710] ACPI Error: Aborting method \_SB.PCI0.SBRG.EC.BAT1.UPBS due to
previous error (AE_AML_DIVIDE_BY_ZERO) (20210604/psparse-529)
[ 0.434716] ACPI Error: Aborting method \_SB.PCI0.SBRG.EC.BAT1._BST due to
previous error (AE_AML_DIVIDE_BY_ZERO) (20210604/psparse-529)
[ 0.434721] ACPI: \_SB_.PCI0.SBRG.EC__.BAT1: _BST evaluation failed:
AE_AML_DIVIDE_BY_ZERO
I believe the recent upgraade from kernel 5.14.15 > 5.14.15 caused this error.
I will downgrade to test and will confirm later.
Dmesg is attached.
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