[Beowulf] Barcelona hardware error: how to detect

[Mark Hahn]

> To be more exact, Rev. B2 of Opteron 2350 - is it for CPU stepping w/error or 
> w/o error ?

AMD, like Intel, does a reasonable job of disclosing such info:

http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/41322.PDF

the well-known problem is erattum 298, I think, and fixed in B3.
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