Dear all, 

I have a problem with R 2.31-patched from http://R.research.att.com/. I am 
using Lion 10.7.1

I did a fresh install of R and I checked that the BLAS library is linked to 
vecLib. However the following simple code halt on my machine.

        a <- matrix(rnorm(640 * 640), ncol = 640)
        b <- eigen(a)

This should take less than a second. However after an hour R is still halted. I 
tried a few more times it is reproducible on my machine.

I then built R my self, linked to vecLib, and using Lion's system default 
tools. The build passed check and the code above runs without a problem.

I am not sure what is wrong here.

The machine I am using is a Mid-2010 MacBook Pro 15", Core i7 2.66GHz.

Does anyone has the same problem or it is that there's something wrong with my 
machine only?

Best regards,

Yan Zhou

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