Author: nikborisov@suse.com
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May 30, 2025 10:49 am
97 viewsUnderstanding Hardware Error Handling in Linux: MCA Explained
Introduction to MCA
All modern X86-64-based CPUs have a subsystem called Machine Check Architecture (MCA). It “provides a mechanism for detecting and reporting hardware (machine) errors, such as: system bus errors, ECC errors, parity errors, cache errors, and TLB errors”. That’s the description that Intel have put in their SDM vol 3. It […]
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