c70b11d160
When a KVM_{GET,SET}_MSRS ioctl() fails, it is difficult to find out which MSR caused the problem. Print an error message for debugging, before we trigger the (ret == cpu->kvm_msr_buf->nmsrs) assert. Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170309194634.28457-1-ehabkost@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>