fiblog

    *) Bugfix: an alert "sendmsg() failed (9: Bad file descriptor)" on some 
       64-bit platforms while reconfiguration.

郁闷的是配置文件的相对路径错了。
原来默认是    include       conf/mime.types;
现在编程了    include       mime.types;
害我不能平滑过渡，停止了web服务，才升级完成。