[mpich-discuss] having problem running MPICH on multiple nodes

Amin Hassani ahassani at cis.uab.edu
Tue Nov 25 21:25:02 CST 2014


Ok, I'll try to test the alpha version. I'll let you know the results.

Thank you.

Amin Hassani,
CIS department at UAB,
Birmingham, AL, USA.

On Tue, Nov 25, 2014 at 9:21 PM, Bland, Wesley B. <wbland at anl.gov> wrote:

>  It’s hard to tell then. Other than some problems compiling (not declaring
> all of your variables), everything seems ok. Can you try running with the
> most recent alpha. I have no idea what bug we could have fixed here to make
> things work, but it’d be good to eliminate the possibility.
>
>  Thanks,
> Wesley
>
>  On Nov 25, 2014, at 10:11 PM, Amin Hassani <ahassani at cis.uab.edu> wrote:
>
>   Here I attached config.log exits in the root folder where it is
> compiled. I'm not too familiar with MPICH but, there are other config.logs
> in other directories also but not sure if you needed them too.
>  I don't have any specific environment variable that can relate to MPICH.
> Also tried with
> export HYDRA_HOST_FILE=<address to host file>,
>  but have the same problem.
> I don't do anything FT related in MPICH, I don't think this version of
> MPICH has anything related to FT in it.
>
>  Thanks.
>
>  Amin Hassani,
> CIS department at UAB,
> Birmingham, AL, USA.
>
> On Tue, Nov 25, 2014 at 9:02 PM, Bland, Wesley B. <wbland at anl.gov> wrote:
>
>> Can you also provide your config.log and any CVARs or other relevant
>> environment variables that you might be setting (for instance, in relation
>> to fault tolerance)?
>>
>>  Thanks,
>> Wesley
>>
>>
>>  On Nov 25, 2014, at 3:58 PM, Amin Hassani <ahassani at cis.uab.edu> wrote:
>>
>>   This is the simplest code I have that doesn't run.
>>
>>
>>  #include <mpi.h>
>> #include <stdio.h>
>> #include <malloc.h>
>> #include <unistd.h>
>> #include <stdlib.h>
>>
>>  int main(int argc, char** argv)
>>  {
>>     int rank, size;
>>     int i, j, k;
>>     double t1, t2;
>>     int rc;
>>
>>      MPI_Init(&argc, &argv);
>>     MPI_Comm world = MPI_COMM_WORLD, newworld, newworld2;
>>     MPI_Comm_rank(world, &rank);
>>     MPI_Comm_size(world, &size);
>>
>>      t2 = 1;
>>     MPI_Allreduce(&t2, &t_avg, 1, MPI_DOUBLE, MPI_SUM, world);
>>     t_avg = t_avg / size;
>>
>>      MPI_Finalize();
>>
>>      return 0;
>> }​
>>
>>  Amin Hassani,
>> CIS department at UAB,
>> Birmingham, AL, USA.
>>
>> On Tue, Nov 25, 2014 at 2:46 PM, "Antonio J. Peña" <apenya at mcs.anl.gov>
>> wrote:
>>
>>>
>>> Hi Amin,
>>>
>>> Can you share with us a minimal piece of code with which you can
>>> reproduce this issue?
>>>
>>> Thanks,
>>>   Antonio
>>>
>>>
>>>
>>> On 11/25/2014 12:52 PM, Amin Hassani wrote:
>>>
>>>   Hi,
>>>
>>>  I am having problem running MPICH, on multiple nodes. When I run an
>>> multiple MPI processes on one node, it totally works, but when I try to run
>>> on multiple nodes, it fails with the error below.
>>>  My machines have Debian OS, Both infiniband and TCP interconnects. I'm
>>> guessing it has something do to with the TCP network, but I can run openmpi
>>> on these machines with no problem. But for some reason I cannot run MPICH
>>> on multiple nodes. Please let me know if more info is needed from my side.
>>> I'm guessing there are some configuration that I am missing. I used MPICH
>>> 3.1.3 for this test. I googled this problem but couldn't find any solution.
>>>
>>>   ​In my MPI program, I am doing a simple allreduce over
>>> MPI_COMM_WORLD​.
>>>
>>>   ​my host file (hosts-hydra) is something like this:
>>> oakmnt-0-a:1
>>>  oakmnt-0-b:1 ​
>>>
>>>   ​I get this error:​
>>>
>>>   $ mpirun -hostfile hosts-hydra -np 2  test_dup
>>> Assertion failed in file ../src/mpi/coll/helper_fns.c at line 490:
>>> status->MPI_TAG == recvtag
>>> Assertion failed in file ../src/mpi/coll/helper_fns.c at line 490:
>>> status->MPI_TAG == recvtag
>>> internal ABORT - process 1
>>> internal ABORT - process 0
>>>
>>>
>>> ===================================================================================
>>> =   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
>>> =   PID 30744 RUNNING AT oakmnt-0-b
>>> =   EXIT CODE: 1
>>> =   CLEANING UP REMAINING PROCESSES
>>> =   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
>>>
>>> ===================================================================================
>>> [mpiexec at vulcan13] HYDU_sock_read
>>> (../../../../src/pm/hydra/utils/sock/sock.c:239): read error (Bad file
>>> descriptor)
>>> [mpiexec at vulcan13] control_cb
>>> (../../../../src/pm/hydra/pm/pmiserv/pmiserv_cb.c:199): unable to read
>>> command from proxy
>>> [mpiexec at vulcan13] HYDT_dmxu_poll_wait_for_event
>>> (../../../../src/pm/hydra/tools/demux/demux_poll.c:76): callback returned
>>> error status
>>> [mpiexec at vulcan13] HYD_pmci_wait_for_completion
>>> (../../../../src/pm/hydra/pm/pmiserv/pmiserv_pmci.c:198): error waiting for
>>> event
>>> [mpiexec at vulcan13] main
>>> (../../../../src/pm/hydra/ui/mpich/mpiexec.c:344): process manager error
>>> waiting for completion
>>>
>>>  Thanks.
>>>   Amin Hassani,
>>> CIS department at UAB,
>>> Birmingham, AL, USA.
>>>
>>>
>>>  _______________________________________________
>>> discuss mailing list     discuss at mpich.org
>>> To manage subscription options or unsubscribe:https://lists.mpich.org/mailman/listinfo/discuss
>>>
>>>
>>>
>>> --
>>> Antonio J. Peña
>>> Postdoctoral Appointee
>>> Mathematics and Computer Science Division
>>> Argonne National Laboratory
>>> 9700 South Cass Avenue, Bldg. 240, Of. 3148
>>> Argonne, IL 60439-4847apenya at mcs.anl.govwww.mcs.anl.gov/~apenya
>>>
>>>
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>>
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