CONFIG_DPM_WATCHDOG_WARNING_TIMEOUT: Watchdog timeout to warn in seconds

General informations

The Linux kernel configuration item CONFIG_DPM_WATCHDOG_WARNING_TIMEOUT:

• prompt: Watchdog timeout to warn in seconds
• type: int
• depends on: CONFIG_DPM_WATCHDOG
• defined in kernel/power/Kconfig
• found in Linux kernels: 6.14-rc+HEAD

Help text

If the DPM watchdog warning timeout and main timeout are different then a non-fatal warning (with a stack trace of the stuck suspend routine) will be printed when the warning timeout expires. If the suspend routine gets un-stuck before the main timeout expires then no other action is taken. If the routine continues to be stuck and the main timeout expires then an emergency-level message and stack trace will be printed and the system will panic.

If the warning timeout is equal to the main timeout (the default) then the warning will never happen and the system will jump straight to panic when the main timeout expires.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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