Re: [Bug] ACPI BIOS errors - MECHREVO WUJIE15XA laptop (AMD Phoenix3)

Am 26.07.26 um 22:56 schrieb Bug Report:

> Hi,
>
> On a MECHREVO WUJIE15XA laptop (AMD Phoenix3, BIOS v111), the
> following ACPI errors appear at boot:
>
>    ACPI BIOS Error: Failure creating named object [\_SB.PCI0.GPP6.WLAN._DSM], AE_ALREADY_EXISTS
>    ACPI BIOS Error: Failure creating named object [\_SB.PCI0.GPP6._S0W], AE_ALREADY_EXISTS
>    ACPI BIOS Error: Failure creating named object [\_SB.PCI0.GPP6._PRW], AE_ALREADY_EXISTS
>    ACPI BIOS Error: Failure creating named object [\_SB.PCI0.GPP6.WLAN._S0W], AE_ALREADY_EXISTS
>    ACPI BIOS Error: Could not resolve symbol [^^^^NPCF.ACBT], AE_NOT_FOUND
>    ACPI Error: Aborting method \_SB.PCI0.SBRG.EC0._Q83
>
> The first four are duplicate named objects in the DSDT for the
> WLAN device. The last two affect EC query method _Q83.
>
> Kernel: Linux de 6.12.96+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.96-1 (2026-07-20) x86_64 GNU/Linux
> DMI: MECHREVO WUJIE15XA
> BIOS: American Megatrends International, LLC. v111
>
> Is this a known BIOS bug, or is a kernel workaround possible?
>
> Full dmesg output available on request.

The errors around the query method are harmless, the manufacturer basically forgot to
completely remove the NVIDIA platform controller code.

The rest might cause issues, but AFAIK no kernel workaround is possible. It might also
be that those errors have no real effects, hard to know. Do you have a specific problem
with this device?

Thanks,
Armin Wolf