Comment # 7 on bug 101473 from qmastery16@gmail.com

Sorry, but this message
"Invalid PCI ROM header structure: expecting 0xaa55, got 0x0000"
is not always harmless, since it usually leads to "Fatal error during GPU init"
:

[    5.732623] [drm:radeon_get_bios [radeon]] *ERROR* ACPI VFCT image header
truncated
[    5.732646] radeon 0000:01:00.0: Invalid PCI ROM header signature: expecting
0xaa55, got 0x0000
[    5.732829] radeon 0000:01:00.0: Invalid PCI ROM header signature: expecting
0xaa55, got 0x0000
[    5.732866] [drm:radeon_get_bios [radeon]] *ERROR* Unable to locate a BIOS
ROM
[    5.732869] radeon 0000:01:00.0: Fatal error during GPU init
[    5.732872] [drm] radeon: finishing device.