突然网站 502了 ，重启程序 php-cgi启动失败！

自己

[root@U522NS ~]# lu-restart
1
Shutting down MySQL.131008 14:44:07 mysqld_safe mysqld from pid file /home/mysql_data/U522NS.pid ended
                                                           [  OK  ]
MySQL 关闭成功！
MySQL was closed successfully.
waiting for server to shut down.... done
server stopped
PgSQL 关闭成功！
PgSQL was closed successfully.
Apache_LuManager 关闭成功！
Apache_LuManager was closed successfully.
[Tue Oct 08 14:44:14 2013] [warn] NameVirtualHost *:0 has no VirtualHosts
httpd (no pid file) not running
Apache 关闭成功！
Apache was restarted successfully.
Shutting down php_fpm
Bind 关闭成功！
Bind was restarted successfully.
8 Oct 14:44:24 ntpdate[14676]: no server suitable for synchronization found
mdadm: /dev/md0 not identified in config file.
server starting
PgSQL 启动成功！
PgSQL was started successfully.
Apache_LuManager 启动成功！
Apache_LuManager was started successfully.
PgSQL 已经在运行状态！
PgSQL is already running！
131008 14:44:35 mysqld_safe Logging to '/home/mysql_data/U522NS.err'.
131008 14:44:35 mysqld_safe Starting mysqld daemon with databases from /home/mysql_data
MySQL 启动成功！
MySQL was started successfully.
The pid file: /var/run/lu_mysqld.pid
1
Starting php_fpm PHP Fatal error:  Allowed memory size of 262144 bytes exhausted (tried to allocate 79 bytes) in Unknown on line 0
/usr/local/php_fcgi/sbin/php-fpm: line 39: 15000 Segmentation fault      $php_fpm_BIN --fpm --fpm-config /usr/local/php_fcgi/etc/vhost/8999.conf
failed
php-cgi启动失败！
Nginx or php-cgi was started failed.

Pure-ftpd 启动成功！
Pure-ftpd was started successfully.

Apache_LuManager 已经在运行状态！
Apache_LuManager is already running！
PgSQL 已经在运行状态！
PgSQL is already running！

Starting test LuNamp status ........................

LuManager in good condition.

PgSQL in good condition.

Nginx in good condition.

MySQL in good condition.

Pure-ftpd in good condition.

Thank you for choosing LuNamp and LuManager! [Website support: zijidelu.org]