Windows Hardware Error Architecture
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Windows Hardware Error Architecture (WHEA) is an operating system hardware error handling mechanism introduced with
Windows Vista SP1 Windows Vista is a major release of the Windows NT operating system developed by Microsoft. It was the direct successor to Windows XP, which was released five years before, at the time being the longest time span between successive releases of ...
and
Windows Server 2008 Windows Server 2008 is the fourth release of the Windows Server operating system produced by Microsoft as part of the Windows NT family of the operating systems. It was released to manufacturing on February 4, 2008, and generally to retail on Fe ...
as a successor to Machine Check Architecture (MCA) on previous versions of
Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...
. The architecture consists of several software components that interact with the hardware and firmware of a given platform to handle and notify regarding hardware error conditions. Collectively, these components provide: a generic means of discovering errors, a common error report format for those errors, a way of preserving error records, and an error event model based up on
Event Tracing for Windows Event Viewer is a component of Microsoft's Windows NT operating system that lets administrators and users view the event logs on a local or remote machine. Applications and operating-system components can use this centralized log service to repo ...
(ETW). WHEA "builds on the PCI Express Advanced Reporting to provide more detailed information about system errors and a common reporting structure." WHEA allows third-party software to interact with the operating system and react to certain hardware events. For example, when a new CPU is added to a running system—a Windows Server feature known as Dynamic Hardware Partitioning—the hardware error component stack is notified that a new processor was installed.
Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which ...
supports the ACPI Platform Error Interface (APEI) which is introduced in ACPI 5.0.


See also

*
Machine-check exception A machine check exception (MCE) is a type of computer error that occurs when a problem involving the computer's hardware is detected. With most mass-market personal computers, an MCE indicates faulty or misconfigured hardware. The nature and c ...
(MCE) *
Reliability, availability and serviceability Reliability, availability and serviceability (RAS), also known as reliability, availability, and maintainability (RAM), is a computer hardware engineering term involving reliability engineering, high availability, and serviceability design. The p ...
(RAS) *
RAMS In engineering, RAMS (reliability, availability, maintainability and safety)High availability High availability (HA) is a characteristic of a system which aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. Modernization has resulted in an increased reliance on these systems. Fo ...
(HA) * Blue screen of death


References

{{Windows Components Windows components Windows Vista Windows Server 2008 Computer errors