Add more diagnostic to find out the problem on

innodb_shutdown_for_mysql in ppc64el on test
case innodb_fts.innodb_fts_stopword_charset.

storage/innobase/buf/buf0buf.cc

@@ -4408,10 +4408,20 @@ buf_all_freed_instance(
 		const buf_block_t* block = buf_chunk_not_freed(chunk);
 
 		if (UNIV_LIKELY_NULL(block)) {
-			fprintf(stderr,
-				"Page %lu %lu still fixed or dirty\n",
+			fil_space_t* space = fil_space_get(block->page.space);
+			ib_logf(IB_LOG_LEVEL_ERROR,
+				"Page %lu %lu still fixed or dirty.",
 				(ulong) block->page.space,
 				(ulong) block->page.offset);
+			ib_logf(IB_LOG_LEVEL_ERROR,
+				"Page oldest_modification %lu fix_count %d io_fix %d.",
+				block->page.oldest_modification,
+				block->page.buf_fix_count,
+				buf_page_get_io_fix(&block->page));
+			ib_logf(IB_LOG_LEVEL_ERROR,
+				"Page space_id %lu name %s.",
+				(ulong)block->page.space,
+				(space && space->name) ? space->name : "NULL");
 			ut_error;
 		}
 	}

storage/innobase/fil/fil0fil.cc

@@ -1299,6 +1299,28 @@ fil_space_free(
 	return(TRUE);
 }
 
+/*******************************************************************//**
+Returns a pointer to the file_space_t that is in the memory cache
+associated with a space id.
+@return	file_space_t pointer, NULL if space not found */
+fil_space_t*
+fil_space_get(
+/*==========*/
+	ulint	id)	/*!< in: space id */
+{
+	fil_space_t*	space;
+
+	ut_ad(fil_system);
+
+	mutex_enter(&fil_system->mutex);
+
+	space = fil_space_get_by_id(id);
+
+	mutex_exit(&fil_system->mutex);
+
+	return (space);
+}
+
 /*******************************************************************//**
 Returns a pointer to the file_space_t that is in the memory cache
 associated with a space id. The caller must lock fil_system->mutex.

storage/innobase/include/fil0fil.h

@@ -1210,5 +1210,13 @@ fil_user_tablespace_restore_page(
 	ulint		page_no);	/* in: page_no to obtain from double
 					write buffer */
 
+/*******************************************************************//**
+Returns a pointer to the file_space_t that is in the memory cache
+associated with a space id.
+@return	file_space_t pointer, NULL if space not found */
+fil_space_t*
+fil_space_get(
+/*==========*/
+	ulint	id);	/*!< in: space id */
 #endif /* !UNIV_INNOCHECKSUM */
 #endif /* fil0fil_h */

storage/xtradb/buf/buf0buf.cc

@@ -4694,10 +4694,20 @@ buf_all_freed_instance(
 		mutex_exit(&buf_pool->LRU_list_mutex);
 
 		if (UNIV_LIKELY_NULL(block)) {
-			fprintf(stderr,
-				"Page %lu %lu still fixed or dirty\n",
+			fil_space_t* space = fil_space_get(block->page.space);
+			ib_logf(IB_LOG_LEVEL_ERROR,
+				"Page %lu %lu still fixed or dirty.",
 				(ulong) block->page.space,
 				(ulong) block->page.offset);
+			ib_logf(IB_LOG_LEVEL_ERROR,
+				"Page oldest_modification %lu fix_count %d io_fix %d.",
+				block->page.oldest_modification,
+				block->page.buf_fix_count,
+				buf_page_get_io_fix(&block->page));
+			ib_logf(IB_LOG_LEVEL_ERROR,
+				"Page space_id %lu name %s.",
+				(ulong)block->page.space,
+				(space && space->name) ? space->name : "NULL");
 			ut_error;
 		}
 	}

storage/xtradb/fil/fil0fil.cc

@@ -1342,6 +1342,28 @@ fil_space_free(
 	return(TRUE);
 }
 
+/*******************************************************************//**
+Returns a pointer to the file_space_t that is in the memory cache
+associated with a space id.
+@return	file_space_t pointer, NULL if space not found */
+fil_space_t*
+fil_space_get(
+/*==========*/
+	ulint	id)	/*!< in: space id */
+{
+	fil_space_t*	space;
+
+	ut_ad(fil_system);
+
+	mutex_enter(&fil_system->mutex);
+
+	space = fil_space_get_by_id(id);
+
+	mutex_exit(&fil_system->mutex);
+
+	return (space);
+}
+
 /*******************************************************************//**
 Returns a pointer to the file_space_t that is in the memory cache
 associated with a space id. The caller must lock fil_system->mutex.

storage/xtradb/include/fil0fil.h

@@ -1210,6 +1210,14 @@ fil_user_tablespace_restore_page(
 	ulint		page_no);	/* in: page_no to obtain from double
 					write buffer */
 
+/*******************************************************************//**
+Returns a pointer to the file_space_t that is in the memory cache
+associated with a space id.
+@return	file_space_t pointer, NULL if space not found */
+fil_space_t*
+fil_space_get(
+/*==========*/
+	ulint	id);	/*!< in: space id */
 #endif /* !UNIV_INNOCHECKSUM */
 
 /*************************************************************************