Do not apply 12.0-p4 on i386.
It fails to boot. New rollout is coming.
It fails to boot. New rollout is coming.
hw.mds_disable=1 with efi boot, one desktop (legacy BIOS) and one notebook (efi) with no additional actions (AMD processors) -- all installed from /usr/src / /usr/obj built on the server. I wonder what could be different in your case ....