bus errors and segfaults using nlffi and OS X

I've been able to successfully use the nlffi for a CBLAS/CLAPACK  
interface.

However I am having very consistent problems with bus errors and  
segfaults whenever I try to free or discard memory.

The really strange thing is that I seem to have a problem when  
freeing or discarding more than 1 variable.

For example,

         C.discard(n');
         C.discard(nrhs');

So if I discard n' only, everything is fine, but if I discard both n'  
AND nhrs' then I get a bus error.  Both variables are allocated in  
the exact same way using :

n' = C.new C.T.slong
nrhs' = C.new C.T.slong

Could this be a bug in nlffi, or am I doing something silly ?

I am assuming that if I don't discard, or free in the case of lower  
level allocs, I'm going to end up with a memory leak, right ?  This  
memory is not being allocated from the SML heap, is it ?

Thanks

Brian



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