Index: /trunk/src/VBox/Devices/USB/VUSBDevice.cpp
===================================================================
--- /trunk/src/VBox/Devices/USB/VUSBDevice.cpp	(revision 57902)
+++ /trunk/src/VBox/Devices/USB/VUSBDevice.cpp	(revision 57903)
@@ -138,5 +138,6 @@
         pPipe->in = pEndPtDesc;
 
-#if defined(RT_OS_LINUX) || defined(RT_OS_SOLARIS) || defined(RT_OS_DARWIN)
+        ///@todo: This is currently utterly broken and causes untold damage.
+#if 0 //defined(RT_OS_LINUX) || defined(RT_OS_SOLARIS) || defined(RT_OS_DARWIN)
         /*
          * For high-speed isochronous input endpoints, spin off a read-ahead buffering thread.