Re: Hardware Error Kernel Mini-Summit

[Andi Kleen]

> Having the infrastructure to automatically off-line pages
> is a good thing.  The details of where to set the predictive

It's already there with a modern mcelog in daemon mode 
and a recent kernel that supports soft offlining.

> threshold likely will be hardware specific (different DIMM
> types failing at different rates).  It needs to be adjustable.

The current default in mcelog is 10 corrected errors per 24h
per 4k page or 1 uncorrected error on the page (if your CPU
supports recovering from that).  It is on by default. 

You can configure it to be different if you want.

-Andi
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