> gdb --core=core ./hello GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2 Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./hello... warning: exec file is newer than core file. [New LWP 39807] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `./hello'. Program terminated with signal SIGABRT, Aborted. #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) up #1 0x000014d15780892e in __GI_abort () at abort.c:100 100 abort.c: No such file or directory. (gdb) #2 0x000000000042c3a0 in for.issue_diagnostic () (gdb) #3 0x0000000000405d0b in for.signal_handler () (gdb) #4 (gdb) #5 0x000014d15790558a in epoll_wait (epfd=17, events=0x7fff22c0dbd0, maxevents=100, timeout=0) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 30 ../sysdeps/unix/sysv/linux/epoll_wait.c: No such file or directory. (gdb) #6 0x000014d0c0bd34d1 in fi_epoll_wait () from /opt/intel/compilers_and_libraries_2020.1.217/linux/mpi/intel64/libfabric/lib/prov/libtcp-fi.so (gdb) #7 0x000014d0c0bd3a16 in tcpx_conn_mgr_run () from /opt/intel/compilers_and_libraries_2020.1.217/linux/mpi/intel64/libfabric/lib/prov/libtcp-fi.so (gdb) #8 0x000014d0c0bd7f98 in tcpx_eq_read () from /opt/intel/compilers_and_libraries_2020.1.217/linux/mpi/intel64/libfabric/lib/prov/libtcp-fi.so (gdb) #9 0x000014d0c098cb7f in rxm_eq_read () from /opt/intel/compilers_and_libraries_2020.1.217/linux/mpi/intel64/libfabric/lib/prov/librxm-fi.so (gdb) #10 0x000014d0c098d090 in rxm_msg_eq_progress () from /opt/intel/compilers_and_libraries_2020.1.217/linux/mpi/intel64/libfabric/lib/prov/librxm-fi.so (gdb) #11 0x000014d0c098d235 in rxm_cmap_connect () from /opt/intel/compilers_and_libraries_2020.1.217/linux/mpi/intel64/libfabric/lib/prov/librxm-fi.so (gdb) #12 0x000014d0c0991b86 in rxm_ep_sendv () from /opt/intel/compilers_and_libraries_2020.1.217/linux/mpi/intel64/libfabric/lib/prov/librxm-fi.so (gdb) #13 0x000014d156abb03f in fi_sendv (ep=0x11, iov=, desc=, count=, dest_addr=, context=) at /usr/include/rdma/fi_endpoint.h:290 290 /usr/include/rdma/fi_endpoint.h: No such file or directory. (gdb) #14 MPIDI_OFI_do_am_isend_header (rank=, comm=, handler_id=, am_hdr=, am_hdr_sz=, sreq=) at ../../src/mpid/ch4/netmod/include/../ofi/ofi_am_impl.h:242 242 ../../src/mpid/ch4/netmod/include/../ofi/ofi_am_impl.h: No such file or directory. (gdb) #15 MPIDI_NM_am_isend (rank=, comm=, handler_id=, am_hdr=, am_hdr_sz=, data=, count=, datatype=, sreq=) at ../../src/mpid/ch4/netmod/include/../ofi/ofi_am.h:44 44 ../../src/mpid/ch4/netmod/include/../ofi/ofi_am.h: No such file or directory. (gdb) #16 MPIDIG_comm_abort (comm=0x11, exit_code=583064528) at ../../src/mpid/ch4/generic/mpidig_globals.c:49 49 ../../src/mpid/ch4/generic/mpidig_globals.c: No such file or directory. (gdb) #17 0x000014d1567c0796 in MPID_Abort (comm=0x11, mpi_errno=583064528, exit_code=100, error_msg=0x14d15790558a "H=") at ../../src/mpid/ch4/src/ch4_globals.c:156 156 ../../src/mpid/ch4/src/ch4_globals.c: No such file or directory. (gdb) #18 0x000014d15670321d in PMPI_Abort (comm=17, errorcode=583064528) at ../../src/mpi/init/abort.c:133 133 ../../src/mpi/init/abort.c: No such file or directory. (gdb) #19 0x000014d157b71dd8 in irma_finalize () from /opt/intel/compilers_and_libraries_2020.1.217/linux/compiler/lib/intel64_lin/libicaf.so (gdb) #20 0x000014d157b71131 in for_rtl_ICAF_FINALIZE () from /opt/intel/compilers_and_libraries_2020.1.217/linux/compiler/lib/intel64_lin/libicaf.so (gdb) #21 0x0000000000430153 in for.exit_handler () (gdb) #22 0x000000000040c70d in for_stop_core_impl () (gdb) #23 0x0000000000404b4a in for_error_stop_int () (gdb) #24 0x0000000000404977 in hello () at hello.f90:14 14 call execute_command_line('hostname') (gdb) #25 0x0000000000404862 in main () (gdb) #26 0x000014d15780a0b3 in __libc_start_main (main=0x404830
, argc=1, argv=0x7fff22c0fdb8, init=, fini=, rtld_fini=, stack_end=0x7fff22c0fda8) at ../csu/libc-start.c:308 308 ../csu/libc-start.c: No such file or directory. (gdb) #27 0x000000000040476e in _start () (gdb) Initial frame selected; you cannot go up. (gdb) Initial frame selected; you cannot go up. (gdb)