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[ 0.421037] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.GPP0.SWUS], AE_NOT_FOUND (20190816/dswload2-162)
[ 0.421057] ACPI Error: AE_NOT_FOUND, during name lookup/catalog (20190816/psobject-220)
[ 0.421063] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCIO.GPP0.SWUS.SWDS], AE_NOT_FOUND (20190816/dswload2-162)
[ 0.421066] ACPI Error: AE_NOT_FOUND, during name lookup/catalog (20190816/psobject-220)
[ 0.8039881] pci 0000:00:00.2: AMD-vi: Unable to read/write to IOMMU perf counter
[ 0.828493] tmp_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/response buffer. [mem 0xbd138000-0xbd138fff flags 0x200] vs bd138000
[ 0.828573] tmp_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/response buffer. [mem 0xbd13c000-0xbd13cfff flags 0x200] vs bd13c000
[ 1.240408] ACPI BIOS Error (bug): Attempt to CreateField of lenght zero (20190816/dsopcode-133)
[ 1.240454] ACPI Error: Aborting method \SB.PCI0.GP17.VGA.ATRM due to previous error (AE_AML_OPERAND_VALUE (20190816/psparse-529)
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nomodeset
i have a FX505DY laptop:
[*]AMD Ryzen 5 3550H with Radeon Vega mobile 8 graphics
[*]Radeon RX 560X