ECS：由于在 CPU 上收到 NMI，导致意外重新启动

Summary: 由于在 CPU 上收到 NMI，导致意外重新启动。

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Symptoms

ECS 节点多次意外重新启动，重新启动时生成了核心文件。通过在 /var/crash/ 的 dmesg 日志中检查堆栈跟踪，重新启动是由于在 CPU 上检测到 NMI。

针对不可屏蔽中断的 NMI 标准，这是具有最高优先级的中断，它发生是为了对不可恢复的硬件错误发出注意信号。

2020-03-01-21:06/dmesg.txt:[5200025.129135] Uhhuh. NMI received for unknown reason 3d on CPU 0. 2020-03-01-21:06/dmesg.txt-[5200025.129135] Do you have a strange power-saving mode enabled? Checked the hardware for any issue and checked if BIOS is out-dated sudo bash memory.sh sudo ipmitool sel list sudo xdoctor /usr/share/emc-intel-firmware/flashupdt/flashupdt /i | grep "BIOS Version"

Cause

这可能是作系统问题，也可能是硬件问题。

Resolution

重新映像可能就足够了。但是，最好以物理方式更换节点，以防重新映像后问题仍然存在。

Affected Products

Elastic Cloud Storage

Products

Elastic Cloud Storage
Article Properties
Article Number: 000081969
Article Type: Solution
Last Modified: 12 Sep 2025
Version:  5
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