ACPIHED(4) Device Drivers Manual ACPIHED(4)

acpihed
ACPI Hardware Error Device

acpihed* at acpi?

Certain hardware error sources that can be queried by apei(4) notify an ACPI node with PNP ID ‘PNP0C33’ when an error occurs. The acpihed driver listens for these notifications and passes them on to apei(4) so it can report the error.

acpi(4), apei(4)

ACPI Specification 6.5, https://uefi.org/specs/ACPI/6.5/18_Platform_Error_Interfaces.html, Chapter 18: ACPI Platform Error Interfaces (APEI).

The acpihed driver first appeared in NetBSD 10.1.

The acpihed driver was written by Taylor R Campbell <riastradh@NetBSD.org>.
March 18, 2024 NetBSD 10.1