diff -r c7a0ce20c48c -r a77889bee936 kernel/eka/drivers/locmedia/locmedia.cpp
--- a/kernel/eka/drivers/locmedia/locmedia.cpp	Fri Aug 06 16:34:38 2010 +0100
+++ b/kernel/eka/drivers/locmedia/locmedia.cpp	Thu Aug 12 11:55:14 2010 +0100
@@ -2654,7 +2654,7 @@
 		}
 
 	__KTRACE_OPT(KFAIL,Kern::Printf("mdrq %d",m.Id()));
-	__KTRACE_OPT(KLOCDRV,Kern::Printf("DPrimaryMediaBase(%d)::HandleMsg state %d req %d",iMediaId,iState,m.Id()));
+	__KTRACE_OPT(KLOCDRV,Kern::Printf("DPrimaryMediaBase(%d)::HandleMsg(%08X) state %d req %d",iMediaId,&m,iState,m.Id()));
 
 	OstTraceDefExt3( OST_TRACE_CATEGORY_RND, TRACE_REQUEST, DPRIMARYMEDIABASE_HANDLEMSG2, "iMediaId=%d; iState=%d; req Id=%d", iMediaId, iState, m.Id());
 	
@@ -2754,7 +2754,7 @@
 */
 	{
 	OstTraceFunctionEntry1( DPRIMARYMEDIABASE_DOREQUEST_ENTRY, this );
-	__KTRACE_OPT2(KLOCDRV,KLOCDPAGING,Kern::Printf("DPrimaryMediaBase::DoRequest %d",m.Id()));
+	__KTRACE_OPT2(KLOCDRV,KLOCDPAGING,Kern::Printf("DPrimaryMediaBase(%d)::DoRequest(%08X) req %d", iMediaId, &m, m.Id()));
 	TLocDrv* pL=m.Drive();
 	DMedia* media=pL->iMedia;
 	TInt r=KErrNone;
@@ -3138,11 +3138,16 @@
 #ifdef __DEMAND_PAGING__
 			if (DataPagingMedia(this))
 				{
-				__KTRACE_OPT(KLOCDRV,Kern::Printf("DoPartitionInfoComplete(%d) Close Media Driver aborted for data paging media %08X", this));
+				__KTRACE_OPT(KLOCDRV,Kern::Printf("DoPartitionInfoComplete() Close Media Driver aborted for data paging media %08X", this));
 				OstTraceDef1(OST_TRACE_CATEGORY_RND, TRACE_DEMANDPAGING, DPRIMARYMEDIABASE_DOPARTITIONINFOCOMPLETE2, "Close Media Driver for data paging media 0x%08x", this);
 				}
 			else
 #endif
+			if (iBody->iMediaExtension)
+				{
+				__KTRACE_OPT(KLOCDRV,Kern::Printf("DoPartitionInfoComplete() Close Media Driver aborted for extension media %08X", this));
+				}
+			else
 				{
 				pM->iDriver->Close();
 				pM->iDriver=NULL;
@@ -3299,6 +3304,10 @@
 	{
 	OstTraceFunctionEntry1( DPRIMARYMEDIABASE_COMPLETEREQUEST_ENTRY, this );
 	OstTraceDefExt2(OST_TRACE_CATEGORY_RND, TRACE_REQUEST, DPRIMARYMEDIABASE_COMPLETEREQUEST1, "TLocDrvRequest Object=0x%x; aResult=%d", (TUint) &aMsg, aResult);
+
+
+	__KTRACE_OPT(KLOCDRV,Kern::Printf("DPrimaryMediaBase(%d)::CompleteRequest(%08x) r %d",iMediaId,&aMsg, aResult));
+
 	aMsg.Complete(aResult,EFalse);
 	OstTraceFunctionExit1( DPRIMARYMEDIABASE_COMPLETEREQUEST_EXIT, this );
 	}