I have followed https://wiki.gentoo.org/wiki/Raspberry_Pi_3_64_bit_Install and installed kernel 4.10.y from https://github.com/raspberrypi/linux. dmesg shows following errors ... [ 0.000000] Failed to get local register map. FIQ is disabled for cpus > 1 ... [ 0.182547] dmi: Firmware registration fai...