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SubjectRe: Machine check exception? (2.4.6+SMP+VIA)
> Is there any reason why, with proper MCE checking for both K7 and PIII
> we can't automatically off-line processors when they start doing bad
> things?

Architectural limitations. Its entirely possible that the cache of the dying
processor contains exclusive copies of arbitary data.

> Also, I'm pretty sure I was seeing overheating problems or something
> on a K7 at one point, but never saw MCE; I take it this code only
> exists fully in -ac kernels? I looked in Linus' tree and couldn't see
> anything.

Only -ac has K7 MCE enabled right now - also MCE is not guaranteed to catch

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