我已经谷歌了，发现这是PHP / Apache / MySQL早期的一个问题，就像在PHP v5.2.4中一样。但我现在有这个问题，有什么事我做错了吗？或者有没有人可以帮我解决这个问题？
日志文件多次打印：
Error in my_thread_global_end(): 1 threads didn't exit
我的系统：
uname -a = 3.5.0-42-generic #65-Ubuntu SMP Tue Oct 1 23:38:22 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
php -v = PHP 5.4.6-1ubuntu1.4 (cli) (built: Sep 4 2013 19:36:09)
Copyright (c) 1997-2012 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2012 Zend Technologies
mysql -V = Ver 14.14 Distrib 5.5.34, for debian-linux-gnu (x86_64) using readline 6.2
apache2ctl status = Server Version: Apache/2.2.22 (Ubuntu) DAV/2 SVN/1.8.4 mod_fastcgi/
mod_fastcgi-SNAP-0910052141 PHP/5.4.6-1ubuntu1.4 mod_ssl/2.2.22 OpenSSL/
1.0.1c
Server Built: Jul 12 2013 13:37:01