kern/58046: Missing APEI (ACPI Platform Error Interface) support

[campbell+netbsd%mumble.net@localhost]

>Number:         58046
>Category:       kern
>Synopsis:       Missing APEI (ACPI Platform Error Interface) support
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Mar 17 03:30:00 +0000 2024
>Originator:     Taylor R Campbell
>Release:        current, 10, 9, 8, ...
>Organization:
The NetBSD Founderror
>Environment:
>Description:
Machines with EDAC memory (ECC RAM) and other error-detecting/correcting hardware capabilities often expose it through the ACPI Platform Error Interface:

https://uefi.org/specs/ACPI/6.5/18_Platform_Error_Interfaces.html

NetBSD should:

1. log errors
2. ditch pages with uncorrectable errors if possible to do reliably
3. provide a way to inject errors
>How-To-Repeat:
point an ionizing radiation source at your laptop
>Fix:
Yes, please!