ECS：由於 CPU 上收到 NMI，導致意外重新開機

Summary: 由於 CPU 上收到 NMI，導致意外重新開機。

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Symptoms

ECS 節點多次發生未預期的重新開機，核心檔案已在重新開機時產生。透過在 /var/crash/ 中檢查 dmesg 記錄中的堆疊追蹤，重新開機是由於在 CPU 上偵測到 NMI。

NMI 標準適用於不可遮罩中斷（具有最高優先順序的中斷），它發生是為了發出對不可恢復硬體錯誤的關注信號。

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

這可能是作業系統或硬體問題。

Resolution

重新建立映像可能就足夠了。但是，若重新映像後問題持續存在，最好實體更換節點。

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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