Debugging for CPUs failing to respond to backtrace requests
configname: CONFIG_NMI_CHECK_CPU
Linux Kernel Configuration
└─>Kernel hacking
└─>Debugging for CPUs failing to respond to backtrace requests
In linux kernel since version 6.3 (release Date: 2023-04-23)
Enables debug prints when a CPU fails to respond to a given
backtrace NMI. These prints provide some reasons why a CPU
might legitimately be failing to respond, for example, if it
is offline of if ignore_nmis is set.
backtrace NMI. These prints provide some reasons why a CPU
might legitimately be failing to respond, for example, if it
is offline of if ignore_nmis is set.