The test case was broken. I just pushed a fix. George.
On Sep 18, 2013, at 16:49 , Ralph Castain <r...@open-mpi.org> wrote: > Hangs with any np > 1 > > However, I'm not sure if that's an issue with the test vs the underlying > implementation > > On Sep 18, 2013, at 7:40 AM, "Jeff Squyres (jsquyres)" <jsquy...@cisco.com> > wrote: > >> Does it hang when you run with -np 4? >> >> Sent from my phone. No type good. >> >> On Sep 18, 2013, at 4:10 PM, "Ralph Castain" <r...@open-mpi.org> wrote: >> >>> Strange - it works fine for me on my Mac. However, I see one difference - I >>> only run it with np=1 >>> >>> On Sep 18, 2013, at 2:22 AM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> >>> wrote: >>> >>>> On Sep 18, 2013, at 9:33 AM, George Bosilca <bosi...@icl.utk.edu> wrote: >>>> >>>>> 1. sm doesn't work between spawned processes. So you must have another >>>>> network enabled. >>>> >>>> I know :-). I have tcp available as well (OMPI will abort if you only run >>>> with sm,self because the comm_spawn will fail with unreachable errors -- I >>>> just tested/proved this to myself). >>>> >>>>> 2. Don't use the test case attached to my email, I left an xterm based >>>>> spawn and the debugging. It can't work without xterm support. Instead try >>>>> using the test case from the trunk, the one committed by Ralph. >>>> >>>> I didn't see any "xterm" strings in there, but ok. :-) I ran with >>>> orte/test/mpi/intercomm_create.c, and that hangs for me as well: >>>> >>>> ----- >>>> ❯❯❯ mpicc intercomm_create.c -o intercomm_create >>>> ❯❯❯ mpirun -np 4 intercomm_create >>>> b: MPI_Intercomm_create( intra, 0, intra, MPI_COMM_NULL, 201, &inter) >>>> [rank 4] >>>> b: MPI_Intercomm_create( intra, 0, intra, MPI_COMM_NULL, 201, &inter) >>>> [rank 5] >>>> b: MPI_Intercomm_create( intra, 0, intra, MPI_COMM_NULL, 201, &inter) >>>> [rank 6] >>>> b: MPI_Intercomm_create( intra, 0, intra, MPI_COMM_NULL, 201, &inter) >>>> [rank 7] >>>> c: MPI_Intercomm_create( MPI_COMM_WORLD, 0, intra, 0, 201, &inter) [rank 4] >>>> c: MPI_Intercomm_create( MPI_COMM_WORLD, 0, intra, 0, 201, &inter) [rank 5] >>>> c: MPI_Intercomm_create( MPI_COMM_WORLD, 0, intra, 0, 201, &inter) [rank 6] >>>> c: MPI_Intercomm_create( MPI_COMM_WORLD, 0, intra, 0, 201, &inter) [rank 7] >>>> a: MPI_Intercomm_create( ab_intra, 0, ac_intra, 0, 201, &inter) (0) >>>> a: MPI_Intercomm_create( ab_intra, 0, ac_intra, 0, 201, &inter) (0) >>>> a: MPI_Intercomm_create( ab_intra, 0, ac_intra, 0, 201, &inter) (0) >>>> a: MPI_Intercomm_create( ab_intra, 0, ac_intra, 0, 201, &inter) (0) >>>> [hang] >>>> ----- >>>> >>>> Similarly, on my Mac, it hangs with no output: >>>> >>>> ----- >>>> ❯❯❯ mpicc intercomm_create.c -o intercomm_create >>>> ❯❯❯ mpirun -np 4 intercomm_create >>>> [hang] >>>> ----- >>>> >>>>> George. >>>>> >>>>> On Sep 18, 2013, at 07:53 , "Jeff Squyres (jsquyres)" >>>>> <jsquy...@cisco.com> wrote: >>>>> >>>>>> George -- >>>>>> >>>>>> When I build the SVN trunk (r29201) on 64 bit linux, your attached test >>>>>> case hangs: >>>>>> >>>>>> ----- >>>>>> ❯❯❯ mpicc intercomm_create.c -o intercomm_create >>>>>> ❯❯❯ mpirun -np 4 intercomm_create >>>>>> b: MPI_Intercomm_create( intra, 0, intra, MPI_COMM_NULL, 201, &inter) >>>>>> [rank 4] >>>>>> b: MPI_Intercomm_create( intra, 0, intra, MPI_COMM_NULL, 201, &inter) >>>>>> [rank 5] >>>>>> b: MPI_Intercomm_create( intra, 0, intra, MPI_COMM_NULL, 201, &inter) >>>>>> [rank 6] >>>>>> b: MPI_Intercomm_create( intra, 0, intra, MPI_COMM_NULL, 201, &inter) >>>>>> [rank 7] >>>>>> a: MPI_Intercomm_create( ab_intra, 0, ac_intra, 0, 201, &inter) (0) >>>>>> a: MPI_Intercomm_create( ab_intra, 0, ac_intra, 0, 201, &inter) (0) >>>>>> a: MPI_Intercomm_create( ab_intra, 0, ac_intra, 0, 201, &inter) (0) >>>>>> a: MPI_Intercomm_create( ab_intra, 0, ac_intra, 0, 201, &inter) (0) >>>>>> c: MPI_Intercomm_create( MPI_COMM_WORLD, 0, intra, 0, 201, &inter) [rank >>>>>> 4] >>>>>> c: MPI_Intercomm_create( MPI_COMM_WORLD, 0, intra, 0, 201, &inter) [rank >>>>>> 5] >>>>>> c: MPI_Intercomm_create( MPI_COMM_WORLD, 0, intra, 0, 201, &inter) [rank >>>>>> 6] >>>>>> c: MPI_Intercomm_create( MPI_COMM_WORLD, 0, intra, 0, 201, &inter) [rank >>>>>> 7] >>>>>> [hang] >>>>>> ----- >>>>>> >>>>>> On my Mac, it hangs without printing anything: >>>>>> >>>>>> ----- >>>>>> ❯❯❯ mpicc intercomm_create.c -o intercomm_create >>>>>> ❯❯❯ mpirun -np 4 intercomm_create >>>>>> [hang] >>>>>> ----- >>>>>> >>>>>> >>>>>> On Sep 18, 2013, at 1:48 AM, George Bosilca <bosi...@icl.utk.edu> wrote: >>>>>> >>>>>>> Here is a quick (and definitively not the cleanest) patch that >>>>>>> addresses the MPI_Intercomm issue at the MPI level. It should be >>>>>>> applied after removal of 29166. >>>>>>> >>>>>>> I also added the corrected test case stressing the corner cases by >>>>>>> doing barriers at every inter-comm creation and doing a clean >>>>>>> disconnect. >>>>>> >>>>>> >>>>>> -- >>>>>> Jeff Squyres >>>>>> jsquy...@cisco.com >>>>>> For corporate legal information go to: >>>>>> http://www.cisco.com/web/about/doing_business/legal/cri/ >>>>>> >>>>>> _______________________________________________ >>>>>> devel mailing list >>>>>> de...@open-mpi.org >>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>>> >>>>> _______________________________________________ >>>>> devel mailing list >>>>> de...@open-mpi.org >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>> >>>> >>>> -- >>>> Jeff Squyres >>>> jsquy...@cisco.com >>>> For corporate legal information go to: >>>> http://www.cisco.com/web/about/doing_business/legal/cri/ >>>> >>>> _______________________________________________ >>>> devel mailing list >>>> de...@open-mpi.org >>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>> >>> _______________________________________________ >>> devel mailing list >>> de...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >> _______________________________________________ >> devel mailing list >> de...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/devel > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
