localhost log # grep 0000:05 foo
Feb 18 17:51:37 localhost [   29.539515] Boot video device is 0000:05:00.0
Feb 18 17:51:37 localhost [   51.711552] ACPI: PCI Interrupt 0000:05:00.0[A] -> Link [APC3] -> GSI 18 (level, low) -> IRQ 18
Feb 18 17:51:37 localhost [   51.711569] PCI: Unable to reserve mem region #1:10000000@d0000000 for device 0000:05:00.0
Feb 18 17:51:37 localhost [   51.711572] radeonfb (0000:05:00.0): cannot request region 0.
Feb 18 17:51:37 localhost [   51.711576] radeonfb: probe of 0000:05:00.0 failed with error -16