去掉以后，下列症状消失：

pid 11673 (httpd), uid 80: exited on signal 11
pid 25946 (httpd), uid 80: exited on signal 11
pid 26292 (httpd), uid 80: exited on signal 11
pid 13623 (httpd), uid 80: exited on signal 11
pid 27096 (httpd), uid 80: exited on signal 11
pid 31838 (httpd), uid 80: exited on signal 11
pid 30847 (httpd), uid 80: exited on signal 11
pid 38579 (httpd), uid 80: exited on signal 11
pid 38269 (httpd), uid 80: exited on signal 11
pid 34011 (httpd), uid 80: exited on signal 11
pid 38698 (httpd), uid 80: exited on signal 11
pid 32137 (httpd), uid 80: exited on signal 11
pid 38754 (httpd), uid 80: exited on signal 11
pid 38756 (httpd), uid 80: exited on signal 11
pid 38755 (httpd), uid 80: exited on signal 11
pid 38759 (httpd), uid 80: exited on signal 11
pid 38760 (httpd), uid 80: exited on signal 11
pid 39259 (httpd), uid 80: exited on signal 11
pid 39253 (httpd), uid 80: exited on signal 11

掀桌……暂时没功夫dump core来看怎么回事了，删掉再说……