Yes, I expect it will continue to hang until 1.7.4 is released. Should be fixed there, though we'll check.
On Wed, Oct 23, 2013 at 11:11 AM, Paul Kapinos <kapi...@rz.rwth-aachen.de>wrote: > Just kindly reminder: this bug seem still to exist in 1.7.3 :-/ > > > > On 08/20/13 22:15, Ralph Castain wrote: > >> On Aug 20, 2013, at 12:40 PM, RoboBeans <robobe...@gmail.com >> <mailto:robobe...@gmail.com>> wrote: >> >> I can confirm that mpi program still hangs if one uses these options >>> while >>> configuring openmpi-1.7.2 >>> >>> --enable-event-thread-support --enable-opal-multi-threads >>> --enable-orte-progress-threads --enable-mpi-thread-multiple >>> >>> >>> *cd /opt** >>> **gunzip -c openmpi-1.7.2.tar.gz | tar xf -** >>> **cd openmpi-1.7.2** >>> **./configure --with-openib=/usr --with-psm=/usr >>> --prefix=/opt/openmpi-1.7.2 >>> --enable-event-thread-support --enable-opal-multi-threads >>> --enable-orte-progress-threads --enable-mpi-thread-multiple** >>> **make all install** >>> **cd ..** >>> **chmod -R 775 openmpi-1.7.2** >>> **ldconfig* >>> >>> >> Yep, sure will >> >> >> Is there any plan to support multiple threads any time soon? >>> >> >> Not in the immediate future, but hopefully not too far into infinity - >> however, >> we should fix the hang in the near future, at least >> >> >>> *$ uname -r* >>> >>> >>> 2.6.32-358.14.1.el6.x86_64 >>> >>> >>> Thanks! >>> >>> On 6/19/13 12:51 PM, Hans Ekkehard Plesser wrote: >>> >>>> I can confirm that >>>> >>>> --enable-event-thread-support --enable-opal-multi-threads >>>> --enable-orte-progress-threads --enable-mpi-thread-multiple >>>> >>>> worked for me as well under OSX 10.8.4 with clang. The orte-progress >>>> flag is needed, without it the parallel process hangs. >>>> >>>> I will report this to the MacPorts people so they can fix it. >>>> >>>> Best, >>>> Hans >>>> >>>> On 19. juni 2013, at 15.08, Ralph Castain wrote: >>>> >>>> While I'm glad it worked, having it depend on orte progress thread >>>>> wasn't done by intent, hence the comment in the configure help output. I'm >>>>> not seeing any problems with using that option, but please let us know if >>>>> you run into something. It hasn't been as fully tested as we'd like. >>>>> >>>>> >>>>> On Jun 19, 2013, at 12:10 AM, Elias Rudberg<elias.rudb...@it.uu.se**> >>>>> wrote: >>>>> >>>>> This has now been solved. >>>>>> >>>>>> The solution (as suggested by Ralph) is to use the following four >>>>>> configure options together: >>>>>> ./configure --enable_event_thread_support --enable_opal_multi_threads >>>>>> --enable_orte_progress_threads --enable_mpi_thread_multiple >>>>>> >>>>>> So, apparently the --enable_mpi_thread_multiple option cannot be used >>>>>> by itself, it must be combined with the other three options, otherwise >>>>>> MPI_Init_thread will hang. >>>>>> >>>>>> / Elias >>>>>> >>>>>> >>>>>> Quoting Elias Rudberg<elias.rudb...@it.uu.se**>: >>>>>> >>>>>> Hi, >>>>>>> >>>>>>> I now tried using --enable-opal-multi-threads (I added an "s" in the >>>>>>> end, since "--enable-opal-multi-thread" was not recognized by the >>>>>>> configure >>>>>>> script). >>>>>>> >>>>>>> However, my test code still hangs in the same way as before. >>>>>>> >>>>>>> To be clear, I now configure like this: >>>>>>> ./configure --enable-mpi-thread-multiple --enable-opal-multi-threads >>>>>>> >>>>>>> but the problem remains: MPI_Init_thread still hangs when trying to >>>>>>> run the test case with -np 2. >>>>>>> >>>>>>> Any other ideas? >>>>>>> Are there other configure options that must be used together with >>>>>>> --enable-mpi-thread-multiple to make it work? >>>>>>> >>>>>>> Best regards, >>>>>>> Elias >>>>>>> >>>>>>> >>>>>>> Quoting Ralph Castain<r...@open-mpi.org>: >>>>>>> >>>>>>> Hmmm...well, your code runs fine for me: >>>>>>>> >>>>>>>> Ralphs-iMac:mpi rhc$ mpirun -n 2 ./thread_init >>>>>>>> Calling MPI_Init_thread... >>>>>>>> Calling MPI_Init_thread... >>>>>>>> MPI_Init_thread returned, provided = 3 >>>>>>>> MPI_Init_thread returned, provided = 3 >>>>>>>> Ralphs-iMac:mpi rhc$ >>>>>>>> >>>>>>>> I think the key, however, is that you also have to configure with >>>>>>>> --enable-opal-multi-thread. >>>>>>>> >>>>>>>> >>>>>>>> On Jun 16, 2013, at 8:54 AM, Elias Rudberg<elias.rudb...@it.uu.se**> >>>>>>>> wrote: >>>>>>>> >>>>>>>> Hello! >>>>>>>>> >>>>>>>>> I would like to report what seems to be a bug in MPI_Init_thread >>>>>>>>> in OpenMPI 1.7.1. >>>>>>>>> >>>>>>>>> The bug can be reproduced with the following test program >>>>>>>>> (test_mpi_thread_support.c): >>>>>>>>> ==============================**============= >>>>>>>>> #include <mpi.h> >>>>>>>>> #include <stdio.h> >>>>>>>>> int main(int argc, const char* argv[]) { >>>>>>>>> int provided = -1; >>>>>>>>> printf("Calling MPI_Init_thread...\n"); >>>>>>>>> MPI_Init_thread(NULL, NULL, MPI_THREAD_MULTIPLE, &provided); >>>>>>>>> printf("MPI_Init_thread returned, provided = %d\n", provided); >>>>>>>>> MPI_Finalize(); >>>>>>>>> return 0; >>>>>>>>> } >>>>>>>>> ==============================**============= >>>>>>>>> >>>>>>>>> When trying to run this when OpenMPI was configured with >>>>>>>>> --enable-mpi-thread-multiple, the program hangs when trying to run >>>>>>>>> using >>>>>>>>> anything more than one process. >>>>>>>>> >>>>>>>>> Steps I use to reproduce this in Ubuntu: >>>>>>>>> >>>>>>>>> (1) Download openmpi-1.7.1.tar.gz >>>>>>>>> >>>>>>>>> (2) Configure like this: >>>>>>>>> ./configure --enable-mpi-thread-multiple >>>>>>>>> >>>>>>>>> (3) make >>>>>>>>> >>>>>>>>> (4) Compile test program like this: >>>>>>>>> mpicc test_mpi_thread_support.c >>>>>>>>> >>>>>>>>> (5) Run like this: >>>>>>>>> mpirun -np 2 ./a.out >>>>>>>>> Then you see the following two lines of output: >>>>>>>>> Calling MPI_Init_thread... >>>>>>>>> Calling MPI_Init_thread... >>>>>>>>> And then it hangs. >>>>>>>>> >>>>>>>>> MPI_Init_thread did not hang in earlier OpenMPI versions (for >>>>>>>>> example it worked in 1.5.* and 1.6.*), so it seems like a bug >>>>>>>>> introduced in >>>>>>>>> 1.7. >>>>>>>>> >>>>>>>>> The description above shows how I reproduce this in Ubuntu on my >>>>>>>>> local desktop computer, but the same problem exists for the OpenMPI >>>>>>>>> 1.7.1 >>>>>>>>> installation at the UPPMAX computer center where I wan to run my code >>>>>>>>> in >>>>>>>>> the end. I don't know all details about how they installed it there, >>>>>>>>> but I >>>>>>>>> know they set --enable-mpi-thread-multiple. So maybe it hangs in >>>>>>>>> 1.7.1 on >>>>>>>>> any computer as long as you use MPI_THREAD_MULTIPLE. At least I have >>>>>>>>> not >>>>>>>>> seen it work anywhere. >>>>>>>>> >>>>>>>>> Do you agree that this is a bug, or am I doing something wrong? >>>>>>>>> >>>>>>>>> Best regards, >>>>>>>>> Elias >>>>>>>>> >>>>>>>>> >>>>>>>>> ______________________________**_________________ >>>>>>>>> users mailing list >>>>>>>>> us...@open-mpi.org >>>>>>>>> http://www.open-mpi.org/**mailman/listinfo.cgi/users<http://www.open-mpi.org/mailman/listinfo.cgi/users> >>>>>>>>> >>>>>>>> ______________________________**_________________ >>>>>>>> users mailing list >>>>>>>> us...@open-mpi.org >>>>>>>> http://www.open-mpi.org/**mailman/listinfo.cgi/users<http://www.open-mpi.org/mailman/listinfo.cgi/users> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>> ______________________________**_________________ >>>>> users mailing list >>>>> us...@open-mpi.org >>>>> http://www.open-mpi.org/**mailman/listinfo.cgi/users<http://www.open-mpi.org/mailman/listinfo.cgi/users> >>>>> >>>> -- >>>> >>>> Dr. Hans Ekkehard Plesser, Associate Professor >>>> Head, Basic Science Section >>>> >>>> Dept. of Mathematical Sciences and Technology >>>> Norwegian University of Life Sciences >>>> PO Box 5003, 1432 Aas, Norway >>>> >>>> Phone +47 6496 5467 >>>> Fax +47 6496 5401 >>>> Emailhans.ekkehard.plesser@**umb.no <emailhans.ekkehard.ples...@umb.no> >>>> Homehttp://arken.umb.no/~**plesser <http://arken.umb.no/~plesser> >>>> >>>> >>>> >>>> ______________________________**_________________ >>>> users mailing list >>>> us...@open-mpi.org >>>> http://www.open-mpi.org/**mailman/listinfo.cgi/users<http://www.open-mpi.org/mailman/listinfo.cgi/users> >>>> >>> >>> ______________________________**_________________ >>> users mailing list >>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>> http://www.open-mpi.org/**mailman/listinfo.cgi/users<http://www.open-mpi.org/mailman/listinfo.cgi/users> >>> >> >> >> >> ______________________________**_________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/**mailman/listinfo.cgi/users<http://www.open-mpi.org/mailman/listinfo.cgi/users> >> >> > > -- > Dipl.-Inform. Paul Kapinos - High Performance Computing, > RWTH Aachen University, Center for Computing and Communication > Seffenter Weg 23, D 52074 Aachen (Germany) > Tel: +49 241/80-24915 > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
