It wasn't the launcher that was broken, but termination detection, and not for all environments (e.g., worked fine for slurm). It is a progress-related issue.
Should be fixed in r25245.
On Oct 10, 2011, at 8:33 AM, Shamis, Pavel wrote:
> + 1 , I see the same issue.
>> -----Original Message-----
>> From: devel-bounces_at_[hidden] [mailto:devel-bounces_at_[hidden]]
>> On Behalf Of Yevgeny Kliteynik
>> Sent: Monday, October 10, 2011 10:24 AM
>> To: OpenMPI Devel
>> Subject: [OMPI devel] Launcher in trunk is broken?
>> It looks like the process launcher is broken in the OMPI trunk:
>> If you run any simple test (not necessarily including MPI calls) on 4 or
>> more nodes, the MPI processes won't be killed after the test finishes.
>> $ mpirun -host host_1,host_2,host_3,host_4 -np 4 --mca btl sm,tcp,self
>> And test is hanging......
>> I have an older trunk (r25228), and everything is OK there.
>> Not sure if it means that something was broken after that, or the problem
>> existed before, but kicked in only now due to some other change.
>> -- YK
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