If we compile openmpi with support for posix threads (./configure --prefix=/usr/local --enable-mpi-threads --with-threads=posix), mpi hangs even with simple commands like
mpiexec --host localhost --np 1 hostname lock up, and have to be killed. If we compile without the --with-threads=posix, it works fine. We've tried this with both 1.0.1 and 1.0.2a3 on a CentOS release 4.2 install (CentOS is the same as Redhat, built from the same sources, just without the trademarked name and the support), and on a Debian unstable install. Does anyone have any ideas on getting openmpi to work with posix thread support? Luke
