Index: libvirt-1.2.0/src/libxl/libxl_conf.c
===================================================================
--- libvirt-1.2.0.orig/src/libxl/libxl_conf.c
+++ libvirt-1.2.0/src/libxl/libxl_conf.c
@@ -561,6 +561,30 @@ libxlMakeChrdevStr(virDomainChrDefPtr de
 }
 
 static int
+libxlFixupDomBuildInfo(virDomainDefPtr def, libxl_domain_config *d_config)
+{
+    libxl_domain_build_info *b_info = &d_config->b_info;
+    int hvm = STREQ(def->os.type, "hvm");
+    libxl_device_vfb vfb;
+
+    if (!hvm)
+        return 0;
+
+    if (d_config->num_vfbs) {
+        vfb = d_config->vfbs[0];
+        if (libxl_defbool_val(vfb.vnc.enable))
+            memcpy(&b_info->u.hvm.vnc, &vfb.vnc, sizeof(libxl_vnc_info));
+        else if (libxl_defbool_val(vfb.sdl.enable))
+            memcpy(&b_info->u.hvm.sdl, &vfb.sdl, sizeof(libxl_sdl_info));
+        else
+            return -1;
+    }
+
+    return 0;
+}
+
+
+static int
 libxlMakeDomBuildInfo(virDomainObjPtr vm, libxl_domain_config *d_config)
 {
     virDomainDefPtr def = vm->def;
@@ -1174,6 +1198,9 @@ libxlBuildDomainConfig(libxlDriverPrivat
     if (libxlMakeVfbList(driver, def, d_config) < 0)
         return -1;
 
+    if (libxlFixupDomBuildInfo(def, d_config) < 0)
+        return -1;
+
     d_config->on_reboot = def->onReboot;
     d_config->on_poweroff = def->onPoweroff;
     d_config->on_crash = def->onCrash;