[Beowulf] Barcelona hardware error: how to detect

[Mikhail Kuzminsky]

In message from Mark Hahn <hahn at mcmaster.ca> (Thu, 5 Jun 2008 11:57:28 
-0400 (EDT)):
>> 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.

Yes, this AMD errata document says that in B3 revision the error "will 
be fixed". I heard that new CPUs w/o TLB+L3 error are shipped now,
but are this CPUs really B3 or may be have some more new release ?    

Mikhail