Running on an I7 6700K bare metal, OS freezes/crashes without any output at Native.Sti() call in ThreadPool.Initialize()

Same ISO works fine in QEMU, Can try to extract more information with WriteLines prior if it'd be at all helpful 😅

Console.WriteLine before and after the call in question, output looks like:

Happens with GC & GUI disabled, or enabled. Both work in VM. APIC build var can't be disabled without code changes; Timer and presumably other stuff uses it without compiler ifs.