Comment 16 for bug 1853277

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Nikolai Kostrigin (realnickel) wrote :

Although I'm using OS ALT but I performed pretty much similar steps to patch the ACPI DSDT table.

> In my case the output dsdt.dsl file contained some invalid error output lines [...]

I also got multiple error messages which I commented for compile to succeed

/*
 *Firmware Error (ACPI): Could not resolve symbol [^GFX0.CLID], AE_NOT_FOUND (20190509/dswload-496)
 *Firmware Error (ACPI): Could not resolve symbol [^^PEG0.PEGP.DD1F], AE_NOT_FOUND (20190509/dswload-496)
 [...]
 *Firmware Error (ACPI): Could not resolve symbol [^^^UBTC.STS7], AE_NOT_FOUND (20190509/dswload2-477)
 */

> # Create or update /boot/grub/custom.cfg to contain
> acpi /fixed_dsdt.aml

In my case I used initrdefi grub command to overlay ACPI table:
initrdefi /boot/acpi_override /boot/initrd.img