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ACPI errors during startup

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The question has been closed for reason: Closed due to inactive post for over 30 days

on 02/11/2026 04:47:15

During startup I get some ACPI errors, see below. I am using the latest BIOS from the Slimbook download area. What does it mean? How can I fix it?


[    0.461406] ACPI BIOS Error (bug): Failure creating named object [\SMIB], AE_ALREADY_EXISTS (20250404/dsfield-637)
[    0.461416] ACPI Warning: NsLookup: Type mismatch on SMIB (Integer), searching for (RegionField) (20250404/nsaccess-
696)
[    0.465487] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.GPP4.WLAN], AE_NOT_FOUND (20250404/dswload2-1
62)
[    0.465495] ACPI Error: AE_NOT_FOUND, During name lookup/catalog (20250404/psobject-220)

ProX15-AMD
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Good morning,

These errors are mere informative most of the time and are from firmware errors which are benign. Were these errors shown in the older BIOS firmware? 
Have you had any issues with your wireless connection (if you use it) after installing the latest BIOS firmware? If not, then it is completely fine and can't be removed without fixing them in the firmware.

Regards,

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I see them for a while now, at least a year. While upgrading Ubuntu I scrolled through the startup log and paid extra attention, so now I got curious. The BIOS is a few years old, so I don't know how it was before that. Everything is working fine, so I'll just ignore it.

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