Avi Kivity wrote: > > I'm guessing the problem is due to the second instruction. We don't > clear the 'blocked by interrupt shadow' flag when we emulate, which > extends interrupt shadow by one more instruction. If the instruction > sequence is 'sti hlt' we end in an inconsistent state. > Ah, and since we're in real mode, we have to emulate everything (at least on some hardware), right? So we really do need to clear the interrupt shadow bit in the interpreter... I don't see a way around that. Otherwise not just STI but MOV SS shadows will break, and in real mode MOV SS shadow is crucial. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html