--- /dev/null
+#!/usr/sbin/dtrace -s
+
+vminfo::vm_map_delete_permanent:
+{
+ printf("%d[%s]: attempt to delete permanent mapping (0x%llx, 0x%llx) prot 0x%x/0x%x",
+ $pid,
+ execname,
+ (uint64_t) arg0,
+ (uint64_t) arg1,
+ arg2,
+ arg3);
+ stack();
+ ustack();
+}