diff -r 84c26be382f0 -r bbdce6bffaad usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/src/AcmReader.cpp
--- a/usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/src/AcmReader.cpp	Tue Oct 19 14:23:03 2010 +0800
+++ b/usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/src/AcmReader.cpp	Wed Oct 20 12:04:53 2010 +0800
@@ -960,7 +960,8 @@
 	{
 	OstTraceFunctionEntry0( CACMREADER_PARTIALFINDTERMINATOR_ENTRY );
 	
-	aPos = 1;
+	//change aPos from 1 to 0 since RComm::read will return part of the terminator string if aPos = 1
+	aPos = 0;
 	OstTraceExt2( TRACE_NORMAL, CACMREADER_PARTIALFINDTERMINATOR, 
 			"CAcmReader::PartialFindTerminator;\taFrom=%d, aTo=%d", (TInt)(aFrom-iBufStart), (TInt)(aTo-iBufStart) );