other: add logs.

source/dnode/vnode/src/tq/tq.c

@@ -939,6 +939,8 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
     if (pTask->pState == NULL) {
       tqError("s-task:%s (vgId:%d) failed to open state for task", pTask->id.idStr, vgId);
       return -1;
+    } else {
+      tqDebug("s-task:%s state:%p", pTask->id.idStr, pTask->pState);
     }
 
     SReadHandle handle = {
@@ -971,6 +973,8 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
     if (pTask->pState == NULL) {
       tqError("s-task:%s (vgId:%d) failed to open state for task", pTask->id.idStr, vgId);
       return -1;
+    } else {
+      tqDebug("s-task:%s state:%p", pTask->id.idStr, pTask->pState);
     }
 
     int32_t     numOfVgroups = (int32_t)taosArrayGetSize(pTask->pUpstreamInfoList);

source/libs/stream/src/streamTask.c

@@ -256,7 +256,7 @@ static void freeUpstreamItem(void* p) {
 void tFreeStreamTask(SStreamTask* pTask) {
   int32_t taskId = pTask->id.taskId;
 
-  qDebug("free s-task:0x%x, %p", taskId, pTask);
+  qDebug("free s-task:0x%x, %p, state:%p", taskId, pTask, pTask->pState);
 
   // remove the ref by timer
   while(pTask->status.timerActive > 0) {