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CONFIG_BOOT_PRINTK_DELAY: Delay each boot printk message by N milliseconds

General informations

The Linux kernel configuration item CONFIG_BOOT_PRINTK_DELAY:

Help text

This build option allows you to read kernel boot messages by inserting a short delay after each one. The delay is specified in milliseconds on the kernel command line, using "boot_delay=N".

It is likely that you would also need to use "lpj=M" to preset the "loops per jiffie" value. See a previous boot log for the "lpj" value to use for your system, and then set "lpj=M" before setting "boot_delay=N". NOTE: Using this option may adversely affect SMP systems. I.e., processors other than the first one may not boot up. BOOT_PRINTK_DELAY also may cause LOCKUP_DETECTOR to detect what it believes to be lockup conditions.

Hardware

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