diff --git a/CMakeLists.txt b/CMakeLists.txt
index f70ece0a053594f5cd18321f8811f4d1f76fc974..37260446c30caf1e13e979c190757abf395b35f3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ project(cellframe-sdk C)
 cmake_minimum_required(VERSION 2.8)
 
 set(CMAKE_C_STANDARD 11)
-set(CELLFRAME_SDK_NATIVE_VERSION "2.6-87")
+set(CELLFRAME_SDK_NATIVE_VERSION "2.6-88")
 add_definitions ("-DCELLFRAME_SDK_VERSION=\"${CELLFRAME_SDK_NATIVE_VERSION}\"")
 set(DAPSDK_MODULES "")
 
diff --git a/modules/chain/include/dap_chain.h b/modules/chain/include/dap_chain.h
index d8e660427bbc74553e3b9bd0b4fad500c2c36650..9732e62668753cb77ffafc99b519bb9baf5f8f1e 100644
--- a/modules/chain/include/dap_chain.h
+++ b/modules/chain/include/dap_chain.h
@@ -25,6 +25,7 @@
 
 #pragma once
 #include <stdbool.h>
+#include <pthread.h>
 #include "dap_config.h"
 #include "dap_chain_common.h"
 
diff --git a/modules/channel/chain/dap_stream_ch_chain.c b/modules/channel/chain/dap_stream_ch_chain.c
index 73ab073b84ca6369fc07013b37411f3f4cf3e491..65e8690ef89bad19eb74eb656cde511bc86a2e8d 100644
--- a/modules/channel/chain/dap_stream_ch_chain.c
+++ b/modules/channel/chain/dap_stream_ch_chain.c
@@ -525,11 +525,11 @@ static bool s_gdb_in_pkt_proc_callback(dap_proc_thread_t *a_thread, void *a_arg)
         dap_store_obj_t *l_store_obj = dap_db_log_unpack(l_pkt_item->pkt_data, l_pkt_item->pkt_data_size, &l_data_obj_count);
         if (s_debug_chain_sync){
             if (l_data_obj_count)
-                log_it(L_INFO, "In: l_data_obj_count = %d", l_data_obj_count );
+                log_it(L_INFO, "In: GLOBAL_DB parse: pkt_data_size=%zd, l_data_obj_count = %d",l_pkt_item->pkt_data_size, l_data_obj_count );
             else if (l_pkt_item->pkt_data){
-                log_it(L_WARNING, "In: No data objs after unpack", l_data_obj_count );
+                log_it(L_WARNING, "In: GLOBAL_DB parse: pkt_data_size=%zd, error=\"No data objs after unpack\"", l_pkt_item->pkt_data_size, l_data_obj_count );
             }else
-                 log_it(L_WARNING, "In: packet in list with NULL data");
+                 log_it(L_WARNING, "In: GLOBAL_DB parse: packet in list with NULL data(pkt_data_size:%zd)", l_pkt_item->pkt_data_size);
         }
 
         for(size_t i = 0; i < l_data_obj_count; i++) {