博客园程序出现的错误

错误现象: 访问博客园时，出现站点忙的错误。重新刷新页面后, 又恢复正常。
查看事件日志, 发现下面的错误内容：
日期: 2004.08.21
时间: 16:17
来源: ASP.NET  1.1.4322.0
事件 ID: 1003
描述：
aspnet_wp.exe  (PID: 720) was recycled because it was suspected to be in a deadlocked state. It did not send any responses for pending requests in the last 180 seconds. This timeout may be adjusted using the <processModel responseDeadlockInterval> setting in machine.config.
请大家帮忙分析一下原因！