主机： HP DL380P 系统：Redhat 6.1
问题：每隔14天早上8:36左右系统直接黑屏，然后自动重启。相同硬盘安装至另一台同型号主机，两台会同时重启。
目前排查进度：
可以排除硬件原因；
没有设置定时任务；
重启前message没有有价值信息；
Kdump已开启，手动触发内核崩溃后系统无法正常启动，可以大概排除内核崩溃。
恳请大伙支招！
重启前部分message如下：
Oct 7 08:30:00 litho8702 xinetd[2604]:START: time-stream pid=0 from=::ffff:192.168
Oct 7 08:30:01 litho8702 xinetd[2604]: START: time-stream pid=0 from=::ffff:192.168.
Oct 7 08:30:01 litho8702 xinetd[2604]: START: daytime-stream pid=0 from=::ffff:192.168
Oct 7 08:30:01 litho8702 xinetd[2604]: START: time-stream pid=0 from=::ffff:192.168
Oct 7 08:30:01 litho8702 xinetd[2604]: START: daytime-stream pid=0 from=::ffff:192.168.
Oct 7 08:30:13 litho8702 dhcpd: DHCPREQUEST for 192.168. from c4:04:15:9c:ba:0e via eth0
Oct 7 08:30:13 litho8702 dhcpd: DHCPACK on 192.168 to c4:04:15:9c:ba:0e via eth0
Oct 7 08:30:47 litho8702 mgetty[5423]: init chat failed, exiting...: Interrupted system call
Oct 7 08:30:47 litho8702 mgetty[5423]: failed in mg_init_data, dev=ttyS7, pid=5423
Oct 7 08:30:47 litho8702 init: ttyS-modem main process (5423) terminated with status 1
Oct 7 08:33:00 litho8702 dhcpd: DHCPREQUEST for 192.168 from 00:0f:31:02:78:1e via eth3
Oct 7 08:33:00 litho8702 dhcpd: DHCPACK on 192.168 to 00:0f:31:02:78:1e via eth3
Oct 7 08:34:04 litho8702 xinetd[2604]: START: time-stream pid=0 from=::ffff:192.168
Oct 7 08:35:13 litho8702 dhcpd: DHCPREQUEST for 192.168 from c4:04:15:9c:ba:0e via eth0
Oct 7 08:35:13 litho8702 dhcpd: DHCPACK on 192.168. to c4:04:15:9c:ba:0e via eth0
Oct 7 08:37:00 litho8702 dhcpd: DHCPREQUEST for 192.168. from 00:0f:31:02:78:1e via eth3
Oct 7 08:37:00 litho8702 dhcpd: DHCPACK on 192.168. to 00:0f:31:02:78:1e via eth3
Oct 7 08:39:58 litho8702 kernel: imklog 4.6.2, log source = /proc/kmsg started.
Oct 7 08:39:58 litho8702 rsyslogd: [origin software="rsyslogd" swVersion="4.6.2" x-pid="2073" x-info="http://www.rsyslog.com"] (re)start
Oct 7 08:39:58 litho8702 rsyslogd: db error (1): no connection to the server
