--- a/mbts/GPRS/MSInfo.cpp
+++ b/mbts/GPRS/MSInfo.cpp
@@ -638,7 +638,7 @@
         if (msPCHDowns.size() > 1) {
             std::ostringstream os;
             msDumpChannels(os);
-            GPRSLOG(INFO,GPRS_MSG|GPRS_CHECK_OK) << "Multislot assignment for "<<this<<os;
+            GPRSLOG(INFO,GPRS_MSG|GPRS_CHECK_OK) << "Multislot assignment for "<<this<<(!os.fail());
         }
 
 	} else {
--- a/mbts/SGSNGGSN/Sgsn.cpp
+++ b/mbts/SGSNGGSN/Sgsn.cpp
@@ -149,7 +149,7 @@
 	clearConn(GprsConnNone,SigConnLost);
 	std::ostringstream ss;
 	sgsnInfoDump(this,ss);
-	SGSNLOGF(INFO,GPRS_OK|GPRS_MSG,"SGSN","Removing SgsnInfo:"<<ss);
+	SGSNLOGF(INFO,GPRS_OK|GPRS_MSG,"SGSN","Removing SgsnInfo:"<<(!ss.fail()));
 	sSgsnInfoList.remove(this);
 	GmmInfo *gmm = getGmm();
 	if (gmm && (gmm->getSI() == this)) {
@@ -252,7 +252,7 @@
 {
 	std::ostringstream ss;
 	gmmInfoDump(gmm,ss,0);
-	SGSNLOGF(INFO,GPRS_OK|GPRS_MSG,"SGSN","Removing gmm:"<<ss);
+	SGSNLOGF(INFO,GPRS_OK|GPRS_MSG,"SGSN","Removing gmm:"<<(!ss.fail()));
 	SgsnInfo *si;
 	RN_FOR_ALL(SgsnInfoList_t,sSgsnInfoList,si) {
 		// The second test here should be redundant.