It seems that the const variable SOMAXCONN who used by listen() system call causes this problem. Can anybody help me resolve this question?
2011/4/25 孟宪军 <xjun.m...@gmail.com> > Dear all, > > As I mentioned, when I mpiruned an application with the parameter "np = > 150(or bigger)", the application who used the MPI_Alltoallv function would > carsh. The problem would recur no matter how many nodes we used. > > The edition of OpenMPI: 1.4.1 or 1.4.3 > The OS: linux redhat 2.6.32 > > BTW, my nodes had enough memory to run the application, and the > MPI_Alltoall function worked well at my environment. > Did anybody meet the same problem? Thanks. > > > Best Regards > > > >