CONFIG_NMI_WATCHDOG: Enable NMI watchdog to help debugging lockup on SMP

General informations

The Linux kernel configuration item CONFIG_NMI_WATCHDOG:

• prompt: Enable NMI watchdog to help debugging lockup on SMP
• type: bool
• depends on: CONFIG_SMP
• defined in arch/blackfin/Kconfig.debug
• found in Linux kernels: 2.6.34–2.6.39, 3.0–3.19, 4.0–4.16

Help text

If any CPU in the system does not execute the period local timer interrupt for more than 5 seconds, then the NMI handler dumps debug information. This information can be used to debug the lockup.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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