-cpu host,-kvm_pv_eoi,-kvm_steal_time,-kvm_asyncpf,-kvmclock,+svm,+x2apic \
-kernel "$KIMG" -append "root=/dev/sda memmap=66M$0x3b000000 nohpet" \
-drive file="$RFSIMG",format=raw,id=disk,if=none \
- -device ide-hd,drive=disk -serial stdio -serial vc \
+ -device ide-hd,drive=disk -serial stdio -serial vc \
-device intel-hda,addr=1b.0 -device hda-duplex