apache child pid xxxxx exit signal Segmentation fault（转载）

apache child pid xxxxx exit signal Segmentation fault 

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Apache错误信息:child pid xxxxx exit signal Segmentation fault (11)问题

apache无法工作,error_log记录:
........

[Tue Nov 24 15:39:29 2009] [notice] child pid 27858 exit signal Segmentation fault (11)
[Tue Nov 24 15:39:29 2009] [notice] child pid 27859 exit signal Segmentation fault (11)
[Tue Nov 24 15:39:29 2009] [notice] child pid 27860 exit signal Segmentation fault (11)
[Tue Nov 24 15:39:29 2009] [notice] child pid 27861 exit signal Segmentation fault (11)
[Tue Nov 24 15:39:29 2009] [notice] child pid 27862 exit signal Segmentation fault (11)
[Tue Nov 24 15:39:29 2009] [notice] child pid 27863 exit signal Segmentation fault (11)
[Tue Nov 24 15:39:29 2009] [notice] child pid 27864 exit signal Segmentation fault (11)
[Tue Nov 24 15:39:30 2009] [notice] child pid 27865 exit signal Segmentation fault (11)

.........

导致错误原因多种,需要具体问题具体分析
1.使用mmcache模块在linux x86-64上有问题
2.由于php编 译安装过程有问题,或者apache+php安装完成后,PHP又重新编译安装过,同时apache也重新编译就会产生这种现象.建议保留 httpd.conf和相关配置文件后,重新安装一遍apache+PHP,注意先后顺序,如果还是会有这个提示,请更换php版本重装.
3.php的模块zend_extension和extension冲突
4.由于使用了APC造成的,这是这类op-code缓存优化软件共同的问题.建议用最新版本试试().一旦出现,只能重起apache.
5. /tmp目录文件太多,删除后正常
6. 配置模式为worker, 改为prefork
7. ZendOptimizer-3.3.0与jdk1.7.0冲突
8. web访问的某些特殊文件造成的,检查access_log可以看到,删除文件