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Subject: Re: [OMPI users] MPI_Comm_spawn errors
From: Tim Prins (tprins_at_[hidden])
Date: 2008-02-19 08:00:59


Hi Joao,

Unfortunately, spawn is broken on the development trunk right now. We
are working on a major revamp of the runtime system which should fix
these problems, but it is not ready yet.

Sorry about that :(

Tim

Joao Vicente Lima wrote:
> Hi all,
> I'm getting errors with spawn in the situations:
>
> 1) spawn1.c - spawning 2 process on localhost, one by one, the error is:
>
> spawning ...
> [localhost:31390] *** Process received signal ***
> [localhost:31390] Signal: Segmentation fault (11)
> [localhost:31390] Signal code: Address not mapped (1)
> [localhost:31390] Failing at address: 0x98
> [localhost:31390] [ 0] /lib/libpthread.so.0 [0x2b1d38a17ed0]
> [localhost:31390] [ 1]
> /usr/local/mpi/openmpi-svn/lib/libmpi.so.0(ompi_comm_dyn_finalize+0xd2)
> [0x2b1d37667cb2]
> [localhost:31390] [ 2]
> /usr/local/mpi/openmpi-svn/lib/libmpi.so.0(ompi_comm_finalize+0x3b)
> [0x2b1d3766358b]
> [localhost:31390] [ 3]
> /usr/local/mpi/openmpi-svn/lib/libmpi.so.0(ompi_mpi_finalize+0x248)
> [0x2b1d37679598]
> [localhost:31390] [ 4] ./spawn1(main+0xac) [0x400ac4]
> [localhost:31390] [ 5] /lib/libc.so.6(__libc_start_main+0xf4) [0x2b1d38c43b74]
> [localhost:31390] [ 6] ./spawn1 [0x400989]
> [localhost:31390] *** End of error message ***
> --------------------------------------------------------------------------
> mpirun has exited due to process rank 0 with PID 31390 on
> node localhost calling "abort". This will have caused other processes
> in the application to be terminated by signals sent by mpirun
> (as reported here).
> --------------------------------------------------------------------------
>
> With 1 process spawned or with 2 process spawned in one call there is
> no output from child.
>
> 2) spawn2.c - no response, this init is
> MPI_Init_thread (&argc, &argv, MPI_THREAD_MULTIPLE, &required)
>
> the attachments contains the programs, ompi_info and config.log.
>
> Some suggest ?
>
> thanks a lot.
> Joao.
>
>
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>
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