I tried it with both the fortran and c versions - got the same result. This was indeed with a debug build. I wouldn’t expect a segfault even with an optimized build, though - I would expect an MPI error, yes?
> On Nov 26, 2014, at 4:26 PM, Gilles Gouaillardet > <gilles.gouaillar...@gmail.com> wrote: > > I will have a look > > Btw, i was running the fortran version, not the c one. > Did you confgure with --enable--debug ? > The program sends to a rank *not* in the communicator, so this behavior could > make some sense on an optimized build. > > Cheers, > > Gilles > > Ralph Castain <r...@open-mpi.org>さんのメール: > Ick - I’m getting a segfault when trying to run that test: > > MPITEST info (0): Starting MPI_Errhandler_fatal test > MPITEST info (0): This test will abort after printing the results message > MPITEST info (0): If it does not, then a f.a.i.l.u.r.e will be noted > [bend001:07714] *** Process received signal *** > [bend001:07714] Signal: Segmentation fault (11) > [bend001:07714] Signal code: Address not mapped (1) > [bend001:07714] Failing at address: 0x50 > [bend001:07715] *** Process received signal *** > [bend001:07715] Signal: Segmentation fault (11) > [bend001:07715] Signal code: Address not mapped (1) > [bend001:07715] Failing at address: 0x50 > [bend001:07714] ompi_comm_peer_lookup: invalid peer index (3) > [bend001:07713] ompi_comm_peer_lookup: invalid peer index (3) > [bend001:07715] ompi_comm_peer_lookup: invalid peer index (3) > [bend001:07713] *** Process received signal *** > [bend001:07713] Signal: Segmentation fault (11) > [bend001:07713] Signal code: Address not mapped (1) > [bend001:07713] Failing at address: 0x50 > [bend001:07713] [ 0] /usr/lib64/libpthread.so.0(+0xf130)[0x7f4485ecb130] > [bend001:07713] [ 1] > /home/common/openmpi/build/ompi-release/lib/openmpi/mca_pml_ob1.so(mca_pml_ob1_send+0x5d)[0x7f4480f74ca6] > [bend001:07713] [ 2] [bend001:07714] [ 0] > /usr/lib64/libpthread.so.0(+0xf130)[0x7ff457885130] > [bend001:07714] [ 1] > /home/common/openmpi/build/ompi-release/lib/openmpi/mca_pml_ob1.so(mca_pml_ob1_send+0x5d)[0x7ff44e8dbca6] > [bend001:07714] [ 2] [bend001:07715] [ 0] > /usr/lib64/libpthread.so.0(+0xf130)[0x7ffa97ff6130] > [bend001:07715] [ 1] > /home/common/openmpi/build/ompi-release/lib/openmpi/mca_pml_ob1.so(mca_pml_ob1_send+0x5d)[0x7ffa8eeeeca6] > [bend001:07715] [ 2] MPITEST_results: MPI_Errhandler_fatal all tests PASSED > (3) > > > This is with the head of the 1.8 branch. Any suggestions? > Ralph > > >> On Nov 26, 2014, at 8:46 AM, Ralph Castain <r...@open-mpi.org >> <mailto:r...@open-mpi.org>> wrote: >> >> Hmmm….yeah, I know we saw this and resolved it in the trunk, but it looks >> like the fix indeed failed to come over to 1.8. I’ll take a gander (pretty >> sure I remember how I fixed it) - thanks! >> >>> On Nov 26, 2014, at 12:03 AM, Gilles Gouaillardet >>> <gilles.gouaillar...@iferc.org <mailto:gilles.gouaillar...@iferc.org>> >>> wrote: >>> >>> Ralph, >>> >>> i noted several hangs in mtt with the v1.8 branch. >>> >>> a simple way to reproduce it is to use the MPI_Errhandler_fatal_f test >>> from the intel_tests suite, >>> invoke mpirun on one node and run the taks on an other node : >>> >>> node0$ mpirun -np 3 -host node1 --mca btl tcp,self ./MPI_Errhandler_fatal_f >>> >>> /* since this is a race condition, you might need to run this in a loop >>> in order to hit the bug */ >>> >>> the attached tarball contains a patch (add debug + temporary hack) and >>> some log files obtained with >>> --mca errmgr_base_verbose 100 --mca odls_base_verbose 100 >>> >>> without the hack, i can reproduce the bug with -np 3 (log.ko.txt) , with >>> the hack, i can still reproduce the hang (though it might >>> be a different one) with -np 16 (log.ko.2.txt) >>> >>> i remember some similar hangs were fixed on the trunk/master a few >>> monthes ago. >>> i tried to backport some commits but it did not help :-( >>> >>> could you please have a look at this ? >>> >>> Cheers, >>> >>> Gilles >>> <abort_hang.tar.gz>_______________________________________________ >>> devel mailing list >>> de...@open-mpi.org <mailto:de...@open-mpi.org> >>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel >>> <http://www.open-mpi.org/mailman/listinfo.cgi/devel> >>> Link to this post: >>> http://www.open-mpi.org/community/lists/devel/2014/11/16357.php >>> <http://www.open-mpi.org/community/lists/devel/2014/11/16357.php> > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2014/11/16364.php
