Думаю включить полное логирование.
Вот кусок лога
Смотрю по времени и ничего критического не нахожу.May 18 11:33:29 server named[1334]: built with '--prefix=/usr' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--enable-threads' '--disable-ipv6' '--enable-getifaddrs' '--disable-linux-caps' '--with-openssl=/usr' '--with-randomdev=/dev/random' '--without-idn' '--without-libxml2'
May 18 11:33:29 server named[1334]: command channel listening on 127.0.0.1#953
May 18 11:33:29 server named[1334]: command channel listening on ::1#953
May 18 11:33:29 server named[1334]: the working directory is not writable
May 18 11:33:29 server named[1334]: running
May 18 11:33:30 server kernel: 118>
May 18 11:33:33 server squid[1664]: Squid Parent: child process 1666 started
May 18 11:34:49 server dhclient: New IP Address (re0): 172.24.68.151
May 18 11:34:49 server dhclient: New Subnet Mask (re0): 255.255.192.0
May 18 11:34:49 server dhclient: New Broadcast Address (re0): 172.24.127.255
May 18 11:34:49 server dhclient: New Routers (re0): 172.24.64.1
May 18 11:34:50 server dhclient: New Routers (re0): 172.24.64.1
May 18 11:48:35 server kernel: re0: link state changed to DOWN
May 18 11:48:37 server kernel: re0: link state changed to UP
May 18 12:33:29 server named[1334]: could not listen on UDP socket: permission denied
May 18 12:33:29 server named[1334]: creating IPv4 interface ng0 failed; interface ignored
May 18 12:43:39 server rc.shutdown: 30 second watchdog timeout expired. Shutdown terminated.
May 18 12:43:39 server init: /bin/sh on /etc/rc.shutdown terminated abnormally, going to single user mode
May 18 12:43:39 server syslogd: exiting on signal 15
May 18 12:47:21 server syslogd: kernel boot file is /boot/kernel/kernel
May 18 12:47:21 server kernel: Copyright (c) 1992-2010 The FreeBSD Project.
May 18 12:47:21 server kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
May 18 12:47:21 server kernel: The Regents of the University of California. All rights reserved.
May 18 12:47:21 server kernel: FreeBSD is a registered trademark of The FreeBSD Foundation.
May 18 12:47:21 server kernel: FreeBSD 8.0-STABLE #1: Fri May 14 11:26:48 YEKST 2010
May 18 12:47:21 server kernel: root@server.manefesto:/usr/obj/usr/src/sys/SERV i386
May 18 12:47:21 server kernel: Timecounter "i8254" frequency 1193182 Hz quality 0
Думал перегрев...не должен...кулеры нормально систему охлаждают.
На всё что можно налепил залмановских радиаторов.
Вообще жду совета как включить дебаг и отловить ошибку