   </numatune>
   <os>
     <type arch="i686">hvm</type>
-    <loader type="rom">/usr/lib/xen/boot/hvmloader</loader>
+    <loader type="rom">foo.bar</loader>
+    <bios useserial="yes"/>
+    <init>/bin/bash</init>
   </os>
   <idmap>
     <uid start="0" target="1000" count="10"/>

Domain 'test-for-virtxml' defined successfully.
Changes will take effect after the domain is fully powered off.