Index: /trunk/src/VBox/Devices/Audio/AudioMixer.cpp
===================================================================
--- /trunk/src/VBox/Devices/Audio/AudioMixer.cpp	(revision 73556)
+++ /trunk/src/VBox/Devices/Audio/AudioMixer.cpp	(revision 73557)
@@ -1066,7 +1066,5 @@
     else
     {
-        uint32_t cbToRead    = RT_MIN(cbBuf,
-                                      pStreamRecSource->pConn->pfnStreamGetReadable(pStreamRecSource->pConn,
-                                                                                    pStreamRecSource->pStream));
+        uint32_t cbToRead = cbBuf;
         while (cbToRead)
         {