On Tue, Jul 29, 2008 at 2:48 PM, James Turner <jturner@gemini.edu> wrote:
Thanks everyone. I think I might try using the Netlib BLAS, since
it's a server installation... but please let me know if you'd like
me to troubleshoot this some more (the sooner the easier).

This smells like an ATLAS problem.  You should seed a note to Clint Whaley (the ATLAS guy). IIRC, ATLAS has some hand coded asm routines and it seems that support for these very new processors might be broken.