diff --git a/src/libCom/test/semBinaryTest.c b/src/libCom/test/semBinaryTest.c
index aa1106554..cc42d2227 100644
--- a/src/libCom/test/semBinaryTest.c
+++ b/src/libCom/test/semBinaryTest.c
@@ -119,6 +119,7 @@ void semBinaryTest(int nthreads,int verbose)
     time_t tp;
     int errVerboseSave = errVerbose;
 
+    threadInit ();
     errVerbose = verbose;
     binary = semBinaryMustCreate(semEmpty);
     printf("calling semBinaryTakeTimeout(binary,2.0) time %ld\n",time(&tp));
diff --git a/src/libCom/test/semMutexTest.c b/src/libCom/test/semMutexTest.c
index 3de52defa..66c338491 100644
--- a/src/libCom/test/semMutexTest.c
+++ b/src/libCom/test/semMutexTest.c
@@ -65,6 +65,7 @@ void semMutexTest(int nthreads,int verbose)
     time_t tp;
     int errVerboseSave = errVerbose;
 
+    threadInit ();
     errVerbose = verbose;
     mutex = semMutexMustCreate();
     printf("calling semMutexTake(mutex) time %ld\n",time(&tp));
diff --git a/src/libCom/test/threadTest.c b/src/libCom/test/threadTest.c
index b5bbe9e65..2d0ebfd4a 100644
--- a/src/libCom/test/threadTest.c
+++ b/src/libCom/test/threadTest.c
@@ -39,6 +39,7 @@ void threadTest(int ntasks,int verbose)
     int startPriority,minPriority,maxPriority;
     int errVerboseSave = errVerbose;
 
+    threadInit ();
     errVerbose = verbose;
     errlogInit(4096);
     id = calloc(ntasks,sizeof(threadId *));
@@ -67,7 +68,7 @@ void threadTest(int ntasks,int verbose)
             startPriority,minPriority,maxPriority);
     }
     threadSleep(.1);
-    threadShow();
+    threadShowAll(0);
     threadSleep(5.0);
     errlogPrintf("threadTest terminating\n");
     errVerbose = errVerboseSave;
diff --git a/src/libCom/test/timerTest.c b/src/libCom/test/timerTest.c
index 47a6db04e..6bfe37cb3 100644
--- a/src/libCom/test/timerTest.c
+++ b/src/libCom/test/timerTest.c
@@ -42,6 +42,7 @@ void timerTest(void)
     TS_STAMP start;
     int i;
 
+    threadInit ();
     timerQueue = osiTimerQueueCreate(threadPriorityLow);
     for(i=0; i<ntimers ; i++) {
         timer[i] = calloc(1,sizeof(myPvt));