The culprit is commit: commit 235e8982ad393e5611cb892df54881c872eea9e1 Author: Jordan Justen <jordan.l.jus...@intel.com> Date: Wed May 29 01:27:26 2013 -0700
kvm: support using KVM_MEM_READONLY flag for regions I'm running 3.9.2-200.fc18, btw. And, error checking is missing on the first call to kvm_vm_ioctl().