diff -Naur systemd-210/src/shared/virt.c systemd-210-mod/src/shared/virt.c
--- systemd-210/src/shared/virt.c	2014-02-24 15:38:03.909784909 +0100
+++ systemd-210-mod/src/shared/virt.c	2014-04-10 13:48:05.568766957 +0200
@@ -149,7 +149,7 @@
 
 /* Returns a short identifier for the various VM implementations */
 int detect_vm(const char **id) {
-        _cleanup_free_ char *hvtype = NULL, *cpuinfo_contents = NULL;
+        _cleanup_free_ char *domcap = NULL, *cpuinfo_contents = NULL;
         static thread_local int cached_found = -1;
         static thread_local const char *cached_id = NULL;
         const char *_id = NULL;
@@ -166,13 +166,18 @@
         /* Try high-level hypervisor sysfs file first:
          *
          * https://bugs.freedesktop.org/show_bug.cgi?id=61491 */
-        r = read_one_line_file("/sys/hypervisor/type", &hvtype);
+        r = read_one_line_file("/proc/xen/capabilities", &domcap);
         if (r >= 0) {
-                if (streq(hvtype, "xen")) {
-                        _id = "xen";
+                if (strstr(domcap, "control_d")) {
+                        r = 0;
+                        _id = "xen-dom0";
+                } else {
                         r = 1;
-                        goto finish;
+                        _id = "xen-domU";
                 }
+
+                goto finish;
+
         } else if (r != -ENOENT)
                 return r;