Lisandro, Thanks for the bug report. It seems that nobody has time to work on this at the moment, so I've filed a ticket so that we don't lose track of it:
https://svn.open-mpi.org/trac/ompi/ticket/4577 -Dave On Apr 21, 2014, at 9:55 AM, Lisandro Dalcin <[email protected]> wrote: > A very basic test for MPI_Comm_create_group() is failing for me. I'm > pasting the code, the failure, and output from valgrind. > > [dalcinl@kw2060 openmpi]$ cat comm_create_group.c > #include <mpi.h> > int main(int argc, char *argv[]) > { > MPI_Group group; > MPI_Comm comm; > MPI_Init(&argc, &argv); > MPI_Comm_group(MPI_COMM_WORLD, &group); > MPI_Comm_create_group(MPI_COMM_WORLD, group, 0, &comm); > MPI_Comm_free(&comm); > MPI_Group_free(&group); > MPI_Finalize(); > return 0; > } > [dalcinl@kw2060 openmpi]$ mpicc comm_create_group.c > [dalcinl@kw2060 openmpi]$ ./a.out > [kw2060:22673] *** An error occurred in MPI_Comm_create_group > [kw2060:22673] *** reported by process [140737483440129,140733193388032] > [kw2060:22673] *** on communicator MPI_COMM_WORLD > [kw2060:22673] *** MPI_ERR_UNKNOWN: unknown error > [kw2060:22673] *** MPI_ERRORS_ARE_FATAL (processes in this > communicator will now abort, > [kw2060:22673] *** and potentially your MPI job) > > > [dalcinl@kw2060 openmpi]$ valgrind -q ./a.out > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4C457D6: ompi_comm_nextcid (comm_cid.c:262) > ==22675== by 0x4C42FA8: ompi_comm_create_group (comm.c:1109) > ==22675== by 0x4C81E35: PMPI_Comm_create_group (pcomm_create_group.c:77) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4C42FB0: ompi_comm_create_group (comm.c:1116) > ==22675== by 0x4C81E35: PMPI_Comm_create_group (pcomm_create_group.c:77) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4C81E46: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4C81BA0: ompi_errcode_get_mpi_code (errcode-internal.h:64) > ==22675== by 0x4C81E51: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4C4AA14: opal_pointer_array_get_item > (opal_pointer_array.h:130) > ==22675== by 0x4C4AA60: ompi_mpi_errnum_get_string (errcode.h:122) > ==22675== by 0x4C4B0B4: backend_fatal_aggregate > (errhandler_predefined.c:192) > ==22675== by 0x4C4B657: backend_fatal (errhandler_predefined.c:334) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Use of uninitialised value of size 8 > ==22675== at 0x327BC47B9B: _itoa_word (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC48AD0: vfprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC74D52: vasprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x52E6C4B: opal_show_help_vstring (show_help.c:309) > ==22675== by 0x4FCFBB4: orte_show_help (show_help.c:591) > ==22675== by 0x4C4B1B5: backend_fatal_aggregate > (errhandler_predefined.c:201) > ==22675== by 0x4C4B657: backend_fatal (errhandler_predefined.c:334) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x327BC47BA5: _itoa_word (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC48AD0: vfprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC74D52: vasprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x52E6C4B: opal_show_help_vstring (show_help.c:309) > ==22675== by 0x4FCFBB4: orte_show_help (show_help.c:591) > ==22675== by 0x4C4B1B5: backend_fatal_aggregate > (errhandler_predefined.c:201) > ==22675== by 0x4C4B657: backend_fatal (errhandler_predefined.c:334) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x327BC48B18: vfprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC74D52: vasprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x52E6C4B: opal_show_help_vstring (show_help.c:309) > ==22675== by 0x4FCFBB4: orte_show_help (show_help.c:591) > ==22675== by 0x4C4B1B5: backend_fatal_aggregate > (errhandler_predefined.c:201) > ==22675== by 0x4C4B657: backend_fatal (errhandler_predefined.c:334) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x327BC48737: vfprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC74D52: vasprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x52E6C4B: opal_show_help_vstring (show_help.c:309) > ==22675== by 0x4FCFBB4: orte_show_help (show_help.c:591) > ==22675== by 0x4C4B1B5: backend_fatal_aggregate > (errhandler_predefined.c:201) > ==22675== by 0x4C4B657: backend_fatal (errhandler_predefined.c:334) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x327BC487B7: vfprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC74D52: vasprintf (in /usr/lib64/libc-2.18.so) > ==22675== by 0x52E6C4B: opal_show_help_vstring (show_help.c:309) > ==22675== by 0x4FCFBB4: orte_show_help (show_help.c:591) > ==22675== by 0x4C4B1B5: backend_fatal_aggregate > (errhandler_predefined.c:201) > ==22675== by 0x4C4B657: backend_fatal (errhandler_predefined.c:334) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > [kw2060:22675] *** An error occurred in MPI_Comm_create_group > [kw2060:22675] *** reported by process [68714692609,0] > [kw2060:22675] *** on communicator MPI_COMM_WORLD > [kw2060:22675] *** Unknown error (this should not happen!) > [kw2060:22675] *** MPI_ERRORS_ARE_FATAL (processes in this > communicator will now abort, > [kw2060:22675] *** and potentially your MPI job) > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4C606BE: ompi_mpi_abort (ompi_mpi_abort.c:96) > ==22675== by 0x4C4B6AA: backend_fatal (errhandler_predefined.c:346) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4C60498: opal_pointer_array_get_item > (opal_pointer_array.h:130) > ==22675== by 0x4C6052C: ompi_mpi_errnum_get_string (errcode.h:122) > ==22675== by 0x4C606EA: ompi_mpi_abort (ompi_mpi_abort.c:97) > ==22675== by 0x4C4B6AA: backend_fatal (errhandler_predefined.c:346) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4CF5382: ompi_rte_abort (rte_orte_module.c:77) > ==22675== by 0x4C60B04: ompi_mpi_abort (ompi_mpi_abort.c:203) > ==22675== by 0x4C4B6AA: backend_fatal (errhandler_predefined.c:346) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Conditional jump or move depends on uninitialised value(s) > ==22675== at 0x4CF538E: ompi_rte_abort (rte_orte_module.c:77) > ==22675== by 0x4C60B04: ompi_mpi_abort (ompi_mpi_abort.c:203) > ==22675== by 0x4C4B6AA: backend_fatal (errhandler_predefined.c:346) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > ==22675== Syscall param exit_group(status) contains uninitialised byte(s) > ==22675== at 0x327BCBCCF9: _Exit (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC3948A: __run_exit_handlers (in /usr/lib64/libc-2.18.so) > ==22675== by 0x327BC39514: exit (in /usr/lib64/libc-2.18.so) > ==22675== by 0x4FEF419: orte_ess_base_app_abort (ess_base_std_app.c:450) > ==22675== by 0x4CF53C5: ompi_rte_abort (rte_orte_module.c:81) > ==22675== by 0x4C60B04: ompi_mpi_abort (ompi_mpi_abort.c:203) > ==22675== by 0x4C4B6AA: backend_fatal (errhandler_predefined.c:346) > ==22675== by 0x4C4AB7C: ompi_mpi_errors_are_fatal_comm_handler > (errhandler_predefined.c:69) > ==22675== by 0x4C4A63E: ompi_errhandler_invoke (errhandler_invoke.c:53) > ==22675== by 0x4C81E81: PMPI_Comm_create_group (pcomm_create_group.c:79) > ==22675== by 0x4008FF: main (in /home/dalcinl/Devel/BUGS-MPI/openmpi/a.out) > ==22675== > > > -- > Lisandro Dalcin > --------------- > CIMEC (UNL/CONICET) > Predio CONICET-Santa Fe > Colectora RN 168 Km 472, Paraje El Pozo > 3000 Santa Fe, Argentina > Tel: +54-342-4511594 (ext 1016) > Tel/Fax: +54-342-4511169 > _______________________________________________ > devel mailing list > [email protected] > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2014/04/14566.php
