diff --git a/innobase/buf/buf0lru.c b/innobase/buf/buf0lru.c
index a8729efb999..1d49833969f 100644
--- a/innobase/buf/buf0lru.c
+++ b/innobase/buf/buf0lru.c
@@ -227,9 +227,13 @@ loop:
 
 	   	fprintf(stderr,
 "  InnoDB: ERROR: over 9 / 10 of the buffer pool is occupied by\n"
-"InnoDB: lock heaps or the adaptive hash index!\n"
+"InnoDB: lock heaps or the adaptive hash index! Check that your\n"
+"InnoDB: transactions do not set too many row locks.\n"
+"InnoDB: Your buffer pool size is %lu MB. Maybe you should make\n"
+"InnoDB: the buffer pool bigger?\n"
 "InnoDB: We intentionally generate a seg fault to print a stack trace\n"
-"InnoDB: on Linux!\n");
+"InnoDB: on Linux!\n",
+		(ulong)(buf_pool->curr_size / (1024 * 1024 / UNIV_PAGE_SIZE)));
 
 		ut_a(0);
 	   
@@ -250,7 +254,7 @@ loop:
 "InnoDB: the buffer pool bigger?\n"
 "InnoDB: Starting the InnoDB Monitor to print diagnostics, including\n"
 "InnoDB: lock heap and hash index sizes.\n",
-			buf_pool->curr_size / (1024 * 1024 / UNIV_PAGE_SIZE));
+		(ulong)(buf_pool->curr_size / (1024 * 1024 / UNIV_PAGE_SIZE)));
 
 			srv_print_innodb_monitor = TRUE;
 			os_event_set(srv_lock_timeout_thread_event);