Comment 2 for bug 643650

detailed trace during start

(gdb) thread app all bt

Thread 1 (Thread 0x2b5214dfffb0 (LWP 18233)):
#0 ut_fold_binary (chunk=0x135a91d8, mem_size=<value optimized out>) at ./include/ut0rnd.ic:225
#1 buf_chunk_init (chunk=0x135a91d8, mem_size=<value optimized out>) at buf/buf0buf.c:962
#2 0x00000000007da881 in buf_pool_init () at buf/buf0buf.c:1366
#3 0x000000000079978d in innobase_start_or_create_for_mysql () at srv/srv0start.c:1445
#4 0x000000000072c2d0 in innobase_init (p=<value optimized out>) at handler/ha_innodb.cc:2463
#5 0x0000000000690861 in ha_initialize_handlerton (plugin=0x12305db8) at handler.cc:435
#6 0x000000000070cc6d in plugin_initialize (plugin=0x12305db8) at sql_plugin.cc:1019
#7 0x000000000070f41a in plugin_init (argc=0xdb7cf0, argv=0x122df698, flags=<value optimized out>) at sql_plugin.cc:1246
#8 0x00000000005b38bf in init_server_components () at mysqld.cc:4050
#9 0x00000000005b4e59 in main (argc=<value optimized out>, argv=<value optimized out>) at mysqld.cc:4623