apache访问报错(OS 10038)在一个非套接字上尝试了一个操作

apache开启一段时间后就显示网页无法显示，查看日志报如下错误，求大神帮忙解决
[Mon May 14 10:46:57 2012] [notice] Parent: Received shutdown signal -- Shutting down the server.
[Mon May 14 10:46:57 2012] [notice] Child 1792: Exit event signaled. Child process is ending.
[Mon May 14 10:46:57 2012] [warn] (OS 10038)在一个非套接字上尝试了一个操作。 : setsockopt(SO_UPDATE_ACCEPT_CONTEXT) failed.
[Mon May 14 10:46:58 2012] [notice] Child 1792: Released the start mutex
[Mon May 14 10:46:59 2012] [notice] Child 1792: Waiting for 250 worker threads to exit.
[Mon May 14 10:47:27 2012] [notice] Parent: Forcing termination of child process 324