Index: /trunk/src/VBox/Installer/linux/vboxdrv.sh.in
===================================================================
--- /trunk/src/VBox/Installer/linux/vboxdrv.sh.in	(revision 35836)
+++ /trunk/src/VBox/Installer/linux/vboxdrv.sh.in	(revision 35837)
@@ -78,5 +78,5 @@
     }
     succ_msg() {
-        log_success_msg " done."
+        log_end_msg 0
     }
     begin_msg() {
@@ -161,4 +161,7 @@
 {
     begin_msg "Starting VirtualBox kernel modules"
+    if [ -d /proc/xen ]; then
+        failure "Running VirtualBox in a Xen environment is not supported"
+    fi
     if ! running vboxdrv; then
         if ! rm -f $DEVICE; then