apache错误日志出现“[notice] child pid 17969 exit signal Segmentation fault (11)

bobower

apache 访问出错,日志内容如下：
[Mon Aug 23 14:45:35 2010] [notice] child pid 17969 exit signal Segmentation fault (11)
[Mon Aug 23 14:45:36 2010] [notice] child pid 17973 exit signal Segmentation fault (11)

版本是 httpd-2.2.0  php-5.1.2
连接数据库正常，浏览器输出phpinfo();也没有问题
请问是怎么回事？