On Tue, Jan 31, 2012 at 5:20 PM, Richard Walsh
> in the malloc.c routine in 1.5.5. Perhaps you should lower the optimization
> level to zero and see what you get.
thanks for the suggestion. I was able to solve the problem by
upgrading the Intel Compiler to version 12.1.2 and recompiling the
openmpi runtime with unchanged options. Now I cannot reproduce that
crash. I'll have to test some more, but I think the problem is solved.