Windows loads normally without -s 7,passthru,0/20/0, but with it Windows 8.1 stuck on bootlogo, and Windows 10 shows me bsod with MEMORY_MANAGEMENT error.
My bhyve script
#!/bin/sh
bhyve -c sockets=1,cores=4,threads=1 -m 4G -w -H -S \
-s 0,hostbridge \
-s 4,ahci-hd,win10.img \
-s...