重启apache2的时候 apache caught SIGTERM, shutting down,该怎么解决

重启apache2的时候 apache caught SIGTERM, shutting down
error.log里面是
[Thu Feb 23 09:35:42 2012] [notice] Apache/2.2.14 (Ubuntu) PHP/5.3.2-1ubuntu4.14 with Suhosin-Patch configured -- resuming normal ope rations
[Thu Feb 23 09:35:51 2012] [notice] caught SIGTERM, shutting down
[Thu Feb 23 09:35:52 2012] [notice] Apache/2.2.14 (Ubuntu) PHP/5.3.2-1ubuntu4.14 with Suhosin-Patch configured -- resuming normal ope rations
[Thu Feb 23 09:35:57 2012] [notice] caught SIGTERM, shutting down
[Thu Feb 23 09:35:58 2012] [notice] Apache/2.2.14 (Ubuntu) PHP/5.3.2-1ubuntu4.14 with Suhosin-Patch configured -- resuming normal ope rations
[Thu Feb 23 09:41:05 2012] [notice] caught SIGTERM, shutting down
[Thu Feb 23 09:41:06 2012] [notice] Apache/2.2.14 (Ubuntu) PHP/5.3.2-1ubuntu4.14 with Suhosin-Patch configured -- resuming normal ope rations

apache重启的时候就会出现这个错误 apache能够正常使用
但是不明白为什么会出现这个错误..google了很久找不到答案..
用的ubuntu 10.04lts

------解决方案--------------------
只是 notice 又不是错误
------解决方案--------------------
这个不是错误，这个就是正常的日志
既然是重启，就分两步：
caught SIGTERM, shutting down
apache在告诉你，它收到了SIGTERM，正在关闭
紧接着下一行就是apache启动的日志...