I am using OpenMPI 1.4.3-1.1.el6 on RedHawk Linux 6.0.1 (Glacier) / RedHat Enterprise Linux Workstation Release 6.1 (Santiago). I am currently working through some issues that I encountered after upgrading from RedHawk 5.2 / RHEL 5.2 and OpenMPI 1.4.3-1 (openmpi-gcc_1.4.3-1). It seems that since the upgrades my software does not return from the call to the Finalize() routine. All threads enter the Finalize() routine and never return. I wrote a simple test program to try to simplify troubleshooting and Finalize() works as expected, i.e., all threads return from the Finalize() call. This suggests the problem is in my code. I have searched the man pages and user forums to no avail. Has anyone else encountered this problem? What could cause such behavior? I wondered if maybe there is still some prior communication that was left unfinished, but I believe I have verified that is not the case, plus my understanding of how Finalize() works is that it would error/exception out in such a situation rather than just sit there, but I could be wrong.
Not sure what additional information may be needed by the community to aid in troubleshooting, but will be happy to provide whatever else is needed.
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