I've got a Sapphire 5770 with driver version 11.4 (because 10.11 did not work) and SDK 2.1, and I get this message when I start the miner:
FATAL kernel error: Failed to apply BFI_INT patch to kerne
l! Is BFI_INT supported on this hardware?
I thought BFI_INT was supported on all 5xxx and up cards?