Thanks! Similar to the MPI_Comm_accept() thread, I've been working around
this but looking forward to using it in 3.0 to clean up my applications.
On Sat, May 27, 2017 at 4:02 PM, r...@open-mpi.org <r...@open-mpi.org> wrote:
> This is now fixed in the master and will make it for v3.0, which is
> planned for release in the near future
>
> On Mar 19, 2017, at 1:40 PM, Adam Sylvester <op8...@gmail.com> wrote:
>
> I did a little more testing in case this helps... if I run ompi-server on
> the same host as the one I call MPI_Publish_name() on, it does successfully
> connect. But when I run it on a separate machine (which is on the same
> network and accessible via TCP), I get the issue above where it hangs.
>
> Thanks for taking a look - if you'd like me to open a bug report for this
> one somewhere, just let me know.
>
> -Adam
>
> On Sun, Mar 19, 2017 at 2:46 PM, r...@open-mpi.org <r...@open-mpi.org>
> wrote:
>
>> Well, your initial usage looks correct - you don’t launch ompi-server via
>> mpirun. However, it sounds like there is probably a bug somewhere if it
>> hangs as you describe.
>>
>> Scratching my head, I can only recall less than a handful of people ever
>> using these MPI functions to cross-connect jobs, so it does tend to fall
>> into disrepair. As I said, I’ll try to repair it, at least for 3.0.
>>
>>
>> On Mar 19, 2017, at 4:37 AM, Adam Sylvester <op8...@gmail.com> wrote:
>>
>> I am trying to use ompi-server with Open MPI 1.10.6. I'm wondering if I
>> should run this with or without the mpirun command. If I run this:
>>
>> ompi-server --no-daemonize -r +
>>
>> It prints something such as 959315968.0;tcp://172.31.3.57:45743 to
>> stdout but I have thus far been unable to connect to it. That is, in
>> another application on another machine which is on the same network as the
>> ompi-server machine, I try
>>
>> MPI_Info info;
>> MPI_Info_create(&info);
>> MPI_Info_set(info, "ompi_global_scope", "true");
>>
>> char myport[MPI_MAX_PORT_NAME];
>> MPI_Open_port(MPI_INFO_NULL, myport);
>> MPI_Publish_name("adam-server", info, myport);
>>
>> But the MPI_Publish_name() function hangs forever when I run it like
>>
>> mpirun -np 1 --ompi-server "959315968.0;tcp://172.31.3.57:45743" server
>>
>> Blog posts are inconsistent as to if you should run ompi-server with
>> mpirun or not so I tried using it but this seg faults:
>>
>> mpirun -np 1 ompi-server --no-daemonize -r +
>> [ip-172-31-5-39:14785] *** Process received signal ***
>> [ip-172-31-5-39:14785] Signal: Segmentation fault (11)
>> [ip-172-31-5-39:14785] Signal code: Address not mapped (1)
>> [ip-172-31-5-39:14785] Failing at address: 0x6e0
>> [ip-172-31-5-39:14785] [ 0] /lib64/libpthread.so.0(+0xf370
>> )[0x7f895d7a5370]
>> [ip-172-31-5-39:14785] [ 1] /usr/local/lib/libopen-pal.so.
>> 13(opal_hwloc191_hwloc_get_cpubind+0x9)[0x7f895e336839]
>> [ip-172-31-5-39:14785] [ 2] /usr/local/lib/libopen-rte.so.
>> 12(orte_ess_base_proc_binding+0x17a)[0x7f895e5d8fca]
>> [ip-172-31-5-39:14785] [ 3] /usr/local/lib/openmpi/mca_ess
>> _env.so(+0x15dd)[0x7f895cdcd5dd]
>> [ip-172-31-5-39:14785] [ 4] /usr/local/lib/libopen-rte.so.
>> 12(orte_init+0x168)[0x7f895e5b5368]
>> [ip-172-31-5-39:14785] [ 5] ompi-server[0x4014d4]
>> [ip-172-31-5-39:14785] [ 6] /lib64/libc.so.6(__libc_start_
>> main+0xf5)[0x7f895d3f6b35]
>> [ip-172-31-5-39:14785] [ 7] ompi-server[0x40176b]
>> [ip-172-31-5-39:14785] *** End of error message ***
>>
>> Am I doing something wrong?
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