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NMI ウォッチドッグが VMware ゲストで無効化されている

Solution Verified - Updated -

Issue

  • # echo 1 >/proc/sys/kernel/nmi_watchdog を実行すると、カーネルは次を返します。
-bash: echo: write error: Unknown error 524
  • /etc/sysctl.conf に kernel.nmi_watchdog=1 を追加し、cli で $sysctl -p を実行します。
sysctl: setting key "kernel.nmi_watchdog": Unknown error 524
kernel.nmi_watchdog=1

Environment

  • Red Hat Enterprise Linux 8.x
  • VMware ゲスト

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