[Bug 949044] [NEW] Basic openmpi hello world fails on arm

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Steps to reproduce:

1) apt-get install gcc libopenmpi-dev openmpi-bin
2) mpicc -o helloworld helloworld.c  # helloworld.c attached
3) mpirun -np 2 helloworld

Expected behaviour: hello world output and then the program should exit
Actual behaviour: hang with 100% CPU usage

Reproduced on oneiric armel, precise armhf and precise armel.

Workaround: use libopenmpi1.5-dev and openmpi1.5-bin in precise which
works fine.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libopenmpi-dev 1.4.3-2.1ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-1407.10-omap4 3.2.6
Uname: Linux 3.2.0-1407-omap4 armv7l
ApportVersion: 1.94-0ubuntu2
Architecture: armhf
Date: Wed Mar  7 15:14:15 2012
ProcEnviron:
 LANGUAGE=en_US:
 TERM=xterm
 LC_COLLATE=C
 LANG=en_GB
 SHELL=/bin/bash
SourcePackage: openmpi
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: openmpi (Ubuntu)
     Importance: High
         Status: Triaged


** Tags: apport-bug armel armhf patch precise
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Basic openmpi hello world fails on arm
https://bugs.launchpad.net/bugs/949044
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