./configure --prefix=/home/devel/mpi/openmpi/2.0.0rc3 --enable-debug --enable-mem-debug
https://bitbucket.org/mpi4py/mpi4py/src/master/demo/helloworld.c $ mpicc helloworld.c $ mpiexec -n 1 ./a.out Hello, World! I am process 0 of 1 on kw14821. $ ./a.out [kw14821:31370] *** Process received signal *** [kw14821:31370] Signal: Segmentation fault (11) [kw14821:31370] Signal code: Address not mapped (1) [kw14821:31370] Failing at address: 0xf8 [kw14821:31370] [ 0] /lib64/libpthread.so.0(+0x10a00)[0x7fc816196a00] [kw14821:31370] [ 1] /home/devel/mpi/openmpi/2.0.0rc3/lib/libopen-pal.so.20(opal_libevent2022_event_priority_set+0xcb)[0x7fc81584c7db] [kw14821:31370] [ 2] /home/devel/mpi/openmpi/2.0.0rc3/lib/openmpi/mca_rml_oob.so(orte_rml_oob_recv_buffer_nb+0x154)[0x7fc81277f95f] [kw14821:31370] [ 3] /home/devel/mpi/openmpi/2.0.0rc3/lib/openmpi/mca_grpcomm_direct.so(+0x17c2)[0x7fc81469f7c2] [kw14821:31370] [ 4] /home/devel/mpi/openmpi/2.0.0rc3/lib/libopen-rte.so.20(orte_grpcomm_base_select+0x17b)[0x7fc815b522e9] [kw14821:31370] [ 5] /home/devel/mpi/openmpi/2.0.0rc3/lib/libopen-rte.so.20(orte_ess_base_app_setup+0x985)[0x7fc815b4cafe] [kw14821:31370] [ 6] /home/devel/mpi/openmpi/2.0.0rc3/lib/openmpi/mca_ess_singleton.so(+0x37e2)[0x7fc81429c7e2] [kw14821:31370] [ 7] /home/devel/mpi/openmpi/2.0.0rc3/lib/libopen-rte.so.20(orte_init+0x2d2)[0x7fc815b05b27] [kw14821:31370] [ 8] /home/devel/mpi/openmpi/2.0.0rc3/lib/libmpi.so.20(ompi_mpi_init+0x31b)[0x7fc8163fbecf] [kw14821:31370] [ 9] /home/devel/mpi/openmpi/2.0.0rc3/lib/libmpi.so.20(PMPI_Init_thread+0x7f)[0x7fc81642feae] [kw14821:31370] [10] ./a.out[0x4008f3] [kw14821:31370] [11] /lib64/libc.so.6(__libc_start_main+0xf0)[0x7fc815de5580] [kw14821:31370] [12] ./a.out[0x4007e9] [kw14821:31370] *** End of error message *** Segmentation fault (core dumped) $ valgrind -q ./a.out ==31396== Conditional jump or move depends on uninitialised value(s) ==31396== at 0x5A9D4CA: opal_value_unload (dss_load_unload.c:291) ==31396== by 0x74B6378: rte_init (ess_singleton_module.c:260) ==31396== by 0x57A2B26: orte_init (orte_init.c:226) ==31396== by 0x4E8CECE: ompi_mpi_init (ompi_mpi_init.c:501) ==31396== by 0x4EC0EAD: PMPI_Init_thread (pinit_thread.c:69) ==31396== by 0x4008F2: main (in /home/dalcinl/Devel/mpi4py-dev/demo/a.out) ==31396== ==31396== Invalid read of size 4 ==31396== at 0x5AEE7DB: opal_libevent2022_event_priority_set (event.c:1859) ==31396== by 0x8FD195E: orte_rml_oob_recv_buffer_nb (rml_oob_recv.c:74) ==31396== by 0x70AE7C1: init (grpcomm_direct.c:78) ==31396== by 0x57EF2E8: orte_grpcomm_base_select (grpcomm_base_select.c:87) ==31396== by 0x57E9AFD: orte_ess_base_app_setup (ess_base_std_app.c:223) ==31396== by 0x74B67E1: rte_init (ess_singleton_module.c:323) ==31396== by 0x57A2B26: orte_init (orte_init.c:226) ==31396== by 0x4E8CECE: ompi_mpi_init (ompi_mpi_init.c:501) ==31396== by 0x4EC0EAD: PMPI_Init_thread (pinit_thread.c:69) ==31396== by 0x4008F2: main (in /home/dalcinl/Devel/mpi4py-dev/demo/a.out) ==31396== Address 0xf8 is not stack'd, malloc'd or (recently) free'd ==31396== [kw14821:31396] *** Process received signal *** [kw14821:31396] Signal: Segmentation fault (11) [kw14821:31396] Signal code: Address not mapped (1) [kw14821:31396] Failing at address: 0xf8 [kw14821:31396] [ 0] /lib64/libpthread.so.0(+0x10a00)[0x51bea00] [kw14821:31396] [ 1] /home/devel/mpi/openmpi/2.0.0rc3/lib/libopen-pal.so.20(opal_libevent2022_event_priority_set+0xcb)[0x5aee7db] [kw14821:31396] [ 2] /home/devel/mpi/openmpi/2.0.0rc3/lib/openmpi/mca_rml_oob.so(orte_rml_oob_recv_buffer_nb+0x154)[0x8fd195f] [kw14821:31396] [ 3] /home/devel/mpi/openmpi/2.0.0rc3/lib/openmpi/mca_grpcomm_direct.so(+0x17c2)[0x70ae7c2] [kw14821:31396] [ 4] /home/devel/mpi/openmpi/2.0.0rc3/lib/libopen-rte.so.20(orte_grpcomm_base_select+0x17b)[0x57ef2e9] [kw14821:31396] [ 5] /home/devel/mpi/openmpi/2.0.0rc3/lib/libopen-rte.so.20(orte_ess_base_app_setup+0x985)[0x57e9afe] [kw14821:31396] [ 6] /home/devel/mpi/openmpi/2.0.0rc3/lib/openmpi/mca_ess_singleton.so(+0x37e2)[0x74b67e2] [kw14821:31396] [ 7] /home/devel/mpi/openmpi/2.0.0rc3/lib/libopen-rte.so.20(orte_init+0x2d2)[0x57a2b27] [kw14821:31396] [ 8] /home/devel/mpi/openmpi/2.0.0rc3/lib/libmpi.so.20(ompi_mpi_init+0x31b)[0x4e8cecf] [kw14821:31396] [ 9] /home/devel/mpi/openmpi/2.0.0rc3/lib/libmpi.so.20(PMPI_Init_thread+0x7f)[0x4ec0eae] [kw14821:31396] [10] ./a.out[0x4008f3] [kw14821:31396] [11] /lib64/libc.so.6(__libc_start_main+0xf0)[0x53ec580] [kw14821:31396] [12] ./a.out[0x4007e9] [kw14821:31396] *** End of error message *** ==31396== ==31396== Process terminating with default action of signal 11 (SIGSEGV) ==31396== Access not within mapped region at address 0xF8 ==31396== at 0x5AEE7DB: opal_libevent2022_event_priority_set (event.c:1859) ==31396== by 0x8FD195E: orte_rml_oob_recv_buffer_nb (rml_oob_recv.c:74) ==31396== by 0x70AE7C1: init (grpcomm_direct.c:78) ==31396== by 0x57EF2E8: orte_grpcomm_base_select (grpcomm_base_select.c:87) ==31396== by 0x57E9AFD: orte_ess_base_app_setup (ess_base_std_app.c:223) ==31396== by 0x74B67E1: rte_init (ess_singleton_module.c:323) ==31396== by 0x57A2B26: orte_init (orte_init.c:226) ==31396== by 0x4E8CECE: ompi_mpi_init (ompi_mpi_init.c:501) ==31396== by 0x4EC0EAD: PMPI_Init_thread (pinit_thread.c:69) ==31396== by 0x4008F2: main (in /home/dalcinl/Devel/mpi4py-dev/demo/a.out) ==31396== If you believe this happened as a result of a stack ==31396== overflow in your program's main thread (unlikely but ==31396== possible), you can try to increase the size of the ==31396== main thread stack using the --main-stacksize= flag. ==31396== The main thread stack size used in this run was 8720384. Killed -- Lisandro Dalcin ============ Research Scientist Computer, Electrical and Mathematical Sciences & Engineering (CEMSE) Extreme Computing Research Center (ECRC) King Abdullah University of Science and Technology (KAUST) http://ecrc.kaust.edu.sa/ 4700 King Abdullah University of Science and Technology al-Khawarizmi Bldg (Bldg 1), Office # 0109 Thuwal 23955-6900, Kingdom of Saudi Arabia http://www.kaust.edu.sa Office Phone: +966 12 808-0459
