Linux Kernel 6.1 Introduces Faulty CPU Core Detection Logging Feature

According to a report by Phoronix, Linux kernel version 6.1 is introducing a new logging system for identifying bad CPUs and its associated cores within a server. The logging system can detect exactly which core, CPU and socket failed at a specific time.

This isn’t a fully automated system, and it’s only for logging; it won’t stress the CPU to check for faults. As a result, Rik Van Riel — who is responsible for authorizing the CPU logging system for 6.1, says system admins will want to run commonly run kernel code known to cause faults with a known faulty system with the logger enabled to see which cores are bad.

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