https://bugs.freedesktop.org/show_bug.cgi?id=49747
--- Comment #18 from Alex Deucher agd5f@yahoo.com 2012-05-10 15:45:57 PDT --- Can you attach a copy of your vbios?
(as root) (use lspci to get the bus id) cd /sys/bus/pci/devices/<pci bus id> echo 1 > rom cat rom > /tmp/vbios.rom echo 0 > rom