Issue #549 has been updated by Simon Dominic.

Simon Dominic wrote in #note-16:
> I could be completely wrong, but I gather libgfxinit (as opposed to "VGA 
> Option ROMS") is disabling (full) activation of the dGPU. If I wanted to go 
> that latter not-recommended route, how should display mode be set up? 

Any thoughts?

----------------------------------------
Bug #549: coreboot 24.05: SeaBIOS Windows 10/11 BSOD "ACPI BIOS ERROR" 
(Thinkpad W530)
https://ticket.coreboot.org/issues/549#change-1897

* Author: Simon Dominic
* Status: New
* Priority: Normal
* Category: board support
* Target version: master
* Start date: 2024-07-31
* Affected versions: master
* Affected hardware: Lenovo ThinkPad W530
* Affected OS: Windows 10/11
----------------------------------------
When using the latest coreboot (i.e. using command `git clone 
https://review.coreboot.org/coreboot`), which is currently 24.05, to build a 
rom for Thinkpad W530, I get BSOD with "ACPI BIOS ERROR" when trying to boot 
into Windows 10 or 11 from SeaBIOS. Even just booting from a Windows install 
usb will show this error.

This is even with incorporating the vga bios files (so i can external displays 
to work) - see my defconfig.

Did consider using EDK2 apparently Windows support is pretty solid, but could 
never make a successful build - not that `make` command had errors, but once 
flashing, would just having white underscore and have to recover with external 
flashing. A separate issue to write about in and of itself, but I prefer 
SeaBIOS so I'll be sticking with that.

I am quite new to coreboot - using for only about 2-3 months now. Let me know 
if there is further information I should provide.

---Files--------------------------------
defconfig (590 Bytes)
w530_bsod.jpg (1.98 MB)
dsl_files.zip (25 KB)
boot.jpg (2.95 MB)
shell.jpg (2.96 MB)
menu.jpg (2.02 MB)
ventoy-win11.jpg (2.35 MB)
rufus-win11.png (6.99 MB)
vga_rom_display_1.png (64.5 KB)
vga_rom_display_2.png (71.4 KB)
vga_rom_display_3.png (58.5 KB)
vga_rom_display_4.png (73.3 KB)


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