ACPI Platform Error Interface (APEI)

modulename: apei.ko

configname: CONFIG_ACPI_APEI

Linux Kernel Configuration
└─>Power management and ACPI options
└─>ACPI (Advanced Configuration and Power Interface) Support
└─>ACPI Platform Error Interface (APEI)
In linux kernel since version 4.2 (release Date: 2015-08-30)  
APEI allows to report errors (for example from the chipset)
to the operating system. This improves NMI handling
especially. In addition it supports error serialization and
error injection.

source code: