freebsd automatic reboot general

FreeBSD 6.2-RELEASE amd64服务器经常reboot。
bash-2.05b# dmesg |more
Copyright (c) 1992-2007 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 6.2-RELEASE #0: Thu Jul 19 08:55:20 CST 2007
[email protected]:/usr/src/sys/amd64/compile/mail
Timecounter “i8254” frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(R) CPU 5120 @ 1.86GHz (1866.74-MHz K8-class CPU)
Origin = “GenuineIntel” Id = 0x6f6 Stepping = 6
Features=0xbfebfbff
Features2=0x4e3bd,CX16,,,>
AMD Features=0x20000800
AMD Features2=0x1
Cores per package: 2
real memory = 1072005120 (1022 MB)
avail memory = 1021128704 (973 MB)
ACPI APIC Table:
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0 irqs 0-23 on motherboard
ioapic1 irqs 24-47 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.17.2 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: on motherboard
acpi0: Power Button (fixed)
Timecounter “ACPI-fast” frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x908-0x90b on acpi0
cpu0: on acpi0
cpu1: on acpi0
pcib0: on acpi0
pci0: on pcib0
pcib0: no PRT entry for 0.31.INTA
pcib1: at device 2.0 on pci0
省略….部份！
开启crash，
fsck_y_enable=”YES”
dumpdir=”/usr/crash”
bash-2.05b# sysctl hw.acpi
hw.acpi.supported_sleep_state: S4 S5
hw.acpi.power_button_state: S5
hw.acpi.sleep_button_state: S4
hw.acpi.lid_switch_state: NONE
hw.acpi.standby_state: S1
hw.acpi.suspend_state: S3
hw.acpi.sleep_delay: 1
hw.acpi.s4bios: 0
hw.acpi.verbose: 0
hw.acpi.disable_on_reboot: 0
hw.acpi.handle_reboot: 0
hw.acpi.cpu.cx_supported: C1/0
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00%
hw.acpi.thermal.min_runtime: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.user_override: 0
hw.acpi.thermal.tz0.temperature: 8.3C
hw.acpi.thermal.tz0.active: -1
hw.acpi.thermal.tz0.passive_cooling: 1
hw.acpi.thermal.tz0.thermal_flags: 0
hw.acpi.thermal.tz0._PSV: 9.8C
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._CRT: 31.3C
hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
bash-2.05b# more /etc/sysctl.conf
hw.acpi.disable_on_reboot=1
hw.acpi.handle_reboot=1
bash-2.05b#sysctl hw.acpi.disable_on_reboot=1
bash-2.05b#sysctl hw.acpi.handle_reboot=1
bash-2.05b# dmesg |grep “acpi”
acpi0: on motherboard
acpi0: Power Button (fixed)
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x908-0x90b on acpi0
cpu0: on acpi0
cpu1: on acpi0
pcib0: on acpi0
acpi_tz0: on acpi0
speaker0: port 0x61 on acpi0
atkbdc0: port 0x60,0x64 irq 1 on acpi0
sio0: port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
fdc0: port 0x3f0-0x3f3 irq 6 drq 2 on acpi0
fdc0: port 0x3f0-0x3f3 irq 6 drq 2 on acpi0
bash-2.05b#
继续观查一段时间看，跟进中….