Dear Stefano,
 
It was the problem of regcm part.
 
The compiler whcih I used was pgi7.1-4. (/pgi714/linux86-64/7.1-4/bin/pgf90). 
 
The output, regcm.in, Makefile.inc and crash information (log2) were in the attachment.
 
Should I change the compiler ?
 
Thank you for your help!
 
Best Wishes!
 
sun hui