I'm not sure this is anything to be really concerned about, but you might be able to clear the ACPI warning by inserting the following into your GRUB boot params - "acpi_enforce_resources=lax"
Looks like the BIOS and Linux kernel are battling over some memory allocation. https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt acpi_enforce_resources= [ACPI] { strict | lax | no } Check for resource conflicts between native drivers and ACPI OperationRegions (SystemIO and SystemMemory only). IO ports and memory declared in ACPI might be used by the ACPI subsystem in arbitrary AML code and can interfere with legacy drivers. strict (default): access to resources claimed by ACPI is denied; legacy drivers trying to access reserved resources will fail to bind to device using them. lax: access to resources claimed by ACPI is allowed; legacy drivers trying to access reserved resources will bind successfully but a warning message is logged. no: ACPI OperationRegions are not marked as reserved, no further checks are performed. As for the "firmware bug", that appears to be a remnant from an old check that BIOS programmers used to see if someone is running Linux. Modern Linux kernels ignore the request which is what I believe is being reported there. You can "quiet down" these errors, if you want, by changing GRUB_CMDLINE_LINUX_DEFAULT to "quiet loglevel=3". That's going to only show messages that hit level 3 and not BIOS warnings which should be level 4. What motherboard and BIOS version are you using? ________________________________ From: [email protected] <[email protected]> Sent: Monday, April 6, 2026 5:48 AM To: [email protected] <[email protected]> Subject: Bump: Re: Help request: BIOS Bug: ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored Hi guys, sorry to bump this one up but would appreciate a bit of guidance its stressng me out! thanks Sent from Proton Mail<https://proton.me/mail/home> for Android. -------- Original Message -------- On Sunday, 04/05/26 at 13:18 [email protected] wrote: Hi team, I have seen this error from day one on my system, however ignored it until (when my wifi and GPU were agressively competing for memory allocation) caused black screen until I stabilised the wifi up/down... ACPI Warning: SystemIO range 0x...B00-0x...B08 conflicts with OpRegion ... (\GSA1.SMBI) ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored While resolved for now worried this could cause an issue in the future. I have seen various ideas and solutions online, inc setting: * acpi_osi=Linux * acpi_osi=! * acpi_osi="Windows 2009" etc. Is this something you have encountered? Anyone have any suggestions? thanks!
