Why native NT autocheck (=w/o errors) the volume after our DISMOUNT_VOLUME?
-strict ulimit (rlimit) of sandbox child
-check for libxml2-2.5.8 TEXT_NODE bug for captive-bug-replay
+Strict ulimit (rlimit) of sandbox child.
+Better BLKGETSIZE64 vs. BLKGETSIZE run-time availability compatibility.