FastCGI配置错误-上传和图像处理失败

我的wordpress行为奇怪，在我改变php处理程序为fcgi

[Sat Dec 03 02:13:06 2011] [warn] [client 66.249.72.226] (104)Connection reset by peer: mod_fcgid: error reading data from FastCGI server
[Sat Dec 03 02:13:06 2011] [error] [client 66.249.72.226] Premature end of script headers: index.php
[Sat Dec 03 02:18:11 2011] [warn] [client 94.139.59.97] mod_fcgid: read data timeout in 40 seconds, referer: http://www.domain.com/wp-admin/upload.php
[Sat Dec 03 02:18:11 2011] [error] [client 94.139.59.97] Premature end of script headers: admin.php, referer: http://www.domain.com/wp-admin/upload.php
[Sat Dec 03 02:18:18 2011] [warn] mod_fcgid: process 24965 graceful kill fail, sending SIGKILL

如何解决这个问题?我通过cPanel更改了php处理程序，并将php升级到5.3.8。