--- util-vserver-0.30.216-pre2955/lib/issupported.c~	2011-03-18 19:45:34.000000000 +0100
+++ util-vserver-0.30.216-pre2955/lib/issupported.c	2011-03-28 18:44:52.846690580 +0200
@@ -50,7 +50,7 @@
     case vcFEATURE_VSTAT	:  return ver >= 0x00020103 && ver < 0x00020306;
     case vcFEATURE_PPTAG	:  return conf & VC_VCI_PPTAG;
     case vcFEATURE_SPACES	:  return conf & VC_VCI_SPACES;
-    case vcFEATURE_PIVOT_ROOT	:  return ver >= 0x00020304;
+    case vcFEATURE_PIVOT_ROOT	:  return (ver >= 0x00020304 && linux_ver >= 0x0002061f);
     case vcFEATURE_PIDSPACE	:  return false;
     case vcFEATURE_MEMCG	:  return ver >= 0x00020306 && conf & VC_VCI_MEMCG;
     case vcFEATURE_DYNAMIC	:  return ver <  0x00020300 || !(conf & VC_VCI_NO_DYNAMIC);