Source: mpi4py
Version: 2.0.0-2
Severity: serious
Justification: Policy 4.1

Building 2.0.0-2 against openmpi 2.0.1-4 (for the OpenMPI 2 transition) hangs.
It fails in the test suite:
testScatterv3 (test_cco_nb_vec.TestCCOVecWorldDup) ... ok
E: Caught signal ‘Terminated’: terminating immediately
make[1]: *** wait: No child processes.  Stop.
make[1]: *** Waiting for unfinished jobs....
make[1]: *** wait: No child processes.  Stop.
make: *** wait: No child processes.  Stop.
make: *** Waiting for unfinished jobs....
make: *** wait: No child processes.  Stop.
Build killed with signal TERM after 150 minutes of inactivity

This is a regression compared to OpenMPI 1.10.3, but it is unclear yet which 
package is faulty,
as strange parameters are passed to the neighbor_allgather() method.
Reported upstream to OpenMPI for investigation:

https://github.com/open-mpi/ompi/issues/2071


-- System Information:
Debian Release: 8.5
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 3.16.0-4-686-pae (SMP w/1 CPU core)
Locale: LANG=en_IE.UTF-8, LC_CTYPE=en_IE.UTF-8 (charmap=UTF-8) (ignored: LC_ALL 
set to en_IE.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

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