https://bugs.freedesktop.org/show_bug.cgi?id=101387
--- Comment #12 from Carlo Caione carlo@caione.org --- Also (in case it is useful for the corruption issue):
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 9874 (rev ca) ... 03:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 699f (rev ff)
# echo 1 > /sys/bus/pci/devices/0000:00:01.0/rom # cat /sys/bus/pci/devices/0000:00:01.0/rom > /tmp/vbios.rom cat: /sys/bus/pci/devices/0000:00:01.0/rom: Input/output error
...
# echo 1 > /sys/bus/pci/devices/0000:03:00.0/rom # cat /sys/bus/pci/devices/0000:03:00.0/rom > /tmp/vbios.rom cat: /sys/bus/pci/devices/0000:03:00.0/rom: Input/output error