最近2、3天Ubuntu老自动关机！

[lantian]

环境：ubuntu 8.04＋最新补丁＋Nvidia官方驱动＋Vmware
问题描述：就是最近2～3天老是自动关机。开始没有更新系统补丁，后来更新了还是一样。
Messages日志摘要：

Dec 8 13:01:17 vmserver kernel: [4136526.395622] Machine check events logged
Dec 8 13:07:32 vmserver kernel: [4136900.970168] Machine check events logged
Dec 8 13:21:42 vmserver -- MARK --
Dec 8 14:13:07 vmserver syslogd 1.5.0#1ubuntu1: restart.

Dec 8 14:13:07 vmserver syslogd 1.5.0#1ubuntu1: restart.
Dec 9 07:32:33 vmserver kernel: [62351.431096] Machine check events logged
Dec 9 08:14:47 vmserver syslogd 1.5.0#1ubuntu1: restart.

Dec 10 07:39:18 vmserver -- MARK --
Dec 10 07:49:05 vmserver kernel: [83331.960581] Machine check events logged
Dec 10 07:56:35 vmserver kernel: [83781.450787] Machine check events logged
Dec 10 08:03:05 vmserver syslogd 1.5.0#1ubuntu1: restart.
Dec 10 08:11:50 vmserver syslogd 1.5.0#1ubuntu1: restart.

ubuntu1:restart是我在ubuntu自动关机后重新开机的事件。他前面的就是关机最后的日志。

[lantian]

12月8日－syslog日志摘要：

Dec 8 12:56:59 vmserver kernel: [4136268.496763] CPU1: Temperature/speed normal
Dec 8 12:56:59 vmserver kernel: [4136268.496767] CPU0: Temperature above threshold, cpu clock throttled (total events = 1)
Dec 8 13:01:17 vmserver kernel: [4136526.395622] Machine check events logged
Dec 8 13:01:59 vmserver kernel: [4136568.157455] CPU1: Temperature/speed normal
Dec 8 13:01:59 vmserver kernel: [4136568.157458] CPU0: Temperature above threshold, cpu clock throttled (total events = 11324)
Dec 8 13:06:59 vmserver kernel: [4136867.815328] CPU0: Temperature above threshold, cpu clock throttled (total events = 154795)
Dec 8 13:06:59 vmserver kernel: [4136867.815351] CPU1: Temperature/speed normal
Dec 8 13:07:32 vmserver kernel: [4136900.970168] Machine check events logged
Dec 8 13:17:01 vmserver /USR/SBIN/CRON[11522]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Dec 8 14:13:07 vmserver syslogd 1.5.0#1ubuntu1: restart.

[lantian]

12月9日－syslog日志摘要：

Dec 9 07:17:01 vmserver /USR/SBIN/CRON[20535]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Dec 9 07:29:06 vmserver kernel: [62144.538683] CPU1: Temperature/speed normal
Dec 9 07:29:06 vmserver kernel: [62144.538686] CPU0: Temperature above threshold, cpu clock throttled (total events = 1)
Dec 9 07:30:01 vmserver /USR/SBIN/CRON[20559]: (root) CMD (test -x /etc/init.d/anacron && /usr/sbin/invoke-rc.d anacron start >/dev/null)
Dec 9 07:30:01 vmserver anacron[20583]: Anacron 2.3 started on 2008-12-09
Dec 9 07:30:01 vmserver anacron[20583]: Will run job `cron.daily' in 5 min.
Dec 9 07:30:01 vmserver anacron[20583]: Jobs will be executed sequentially
Dec 9 07:32:33 vmserver kernel: [62351.431096] Machine check events logged
Dec 9 07:35:01 vmserver anacron[20583]: Job `cron.daily' started
Dec 9 07:35:01 vmserver anacron[20599]: Updated timestamp for job `cron.daily' to 2008-12-09
Dec 9 08:14:47 vmserver syslogd 1.5.0#1ubuntu1: restart.

[lantian]

12月10日－syslog系统日志摘要：

Dec 10 07:30:01 vmserver anacron[15490]: Anacron 2.3 started on 2008-12-10
Dec 10 07:30:01 vmserver anacron[15490]: Will run job `cron.daily' in 5 min.
Dec 10 07:30:01 vmserver anacron[15490]: Jobs will be executed sequentially
Dec 10 07:35:01 vmserver anacron[15490]: Job `cron.daily' started
Dec 10 07:35:01 vmserver anacron[15506]: Updated timestamp for job `cron.daily' to 2008-12-10
Dec 10 07:47:00 vmserver kernel: [83207.438991] CPU1: Temperature/speed normal
Dec 10 07:47:00 vmserver kernel: [83207.438994] CPU0: Temperature above threshold, cpu clock throttled (total events = 1)
Dec 10 07:49:05 vmserver kernel: [83331.960581] Machine check events logged
Dec 10 07:52:00 vmserver kernel: [83507.098049] CPU1: Temperature/speed normal
Dec 10 07:52:00 vmserver kernel: [83507.098052] CPU0: Temperature/speed normal
Dec 10 07:56:35 vmserver kernel: [83781.450787] Machine check events logged
Dec 10 08:03:05 vmserver syslogd 1.5.0#1ubuntu1: restart.
Dec 10 08:03:05 vmserver anacron[15490]: Job `cron.daily' terminated
Dec 10 08:03:05 vmserver anacron[15490]: Normal exit (1 job run)
Dec 10 08:11:50 vmserver syslogd 1.5.0#1ubuntu1: restart.

[peaceman]

我的也是这样子的，我也是8.04.2，内核2.6.24-23，vmware6.5装win2003系统开启IIS，也是隔几天突然就死了，ubuntu上提供nat服务，不知道怎么回事。怀疑是vmware不兼容，准备关闭vmware试试