周六服务器异常关机，开机后检查日志发现CPU过热，没等2分钟又关机了。我就在想肯定是我上次装系统时拔掉风扇插头没插结实，今天机房技术看了果真如此。
CPU上只有散热片，没有风扇，仅靠机箱上一排风扇降温还真不可靠。
Mar 27 07:54:19 localhost kernel: CPU3: Temperature/speed normal Mar 27 07:54:19 localhost kernel: CPU1: Temperature above threshold, cpu clock throttled Mar 27 07:54:19 localhost kernel: Machine check events logged Mar 27 07:55:07 localhost kernel: CPU7: Temperature/speed normal Mar 27 07:55:07 localhost kernel: CPU5: Temperature above threshold, cpu clock throttled Mar 27 07:56:30 localhost kernel: CPU0: Temperature above threshold, cpu clock throttled Mar 27 07:56:30 localhost kernel: CPU2: Temperature/speed normal Mar 27 07:56:44 localhost kernel: CPU4: Temperature above threshold, cpu clock throttled Mar 27 07:56:44 localhost kernel: CPU6: Temperature/speed normal