Opteron bugs

[esmith]

Since amd64 is a future target, it may be worthwhile to note these 
hardware bugs.

from
http://www.theregister.com/2004/06/22/amd_opteron_glitches/
'AMD has pledged to fix three bugs in its Opteron chips that, if 
unremedied, could cause host systems to crash in certain circumstances.

In a June 2004 Opteron and Athlon 64 Revision Guide (PDF), the chip 
maker lists three processor glitches - known in the trade as 'errata' - 
that could mean the "system may hang".'