OMPI_Debugmode_GDB

0x00007fffeee12587 in mca_btl_smcuda_sendi (
    btl=0x7fffeee1a220 <mca_btl_smcuda>, endpoint=0x55555592d780,
    convertor=0x7fffffff87e0, header=0x7fffffff87d0, header_size=14,
    payload_size=44, order=255 '\377', flags=3, tag=65 'A', descriptor=0x0)
    at btl_smcuda.c:942

942                 *descriptor = NULL;

(gdb) where
#0  0x00007fffeee12587 in mca_btl_smcuda_sendi (
    btl=0x7fffeee1a220 <mca_btl_smcuda>, endpoint=0x55555592d780,
    convertor=0x7fffffff87e0, header=0x7fffffff87d0, header_size=14,
    payload_size=44, order=255 '\377', flags=3, tag=65 'A', descriptor=0x0)
    at btl_smcuda.c:942
#1  0x00007fffecedcf66 in mca_bml_base_sendi (bml_btl=0x555555930d60,
    convertor=0x7fffffff87e0, header=0x7fffffff87d0, header_size=14,
    payload_size=44, order=255 '\377', flags=3, tag=65 'A', descriptor=0x0)
    at ../../../../ompi/mca/bml/bml.h:303
#2  0x00007fffecedddbb in mca_pml_ob1_send_inline (buf=0x7fffa68821ac,
    count=11, datatype=0x555555758f80 <ompi_mpi_float>, dst=1, tag=979,
    seqn=103, dst_proc=0x55555591f7d0, endpoint=0x555555930c70,
    comm=0x555555758d80 <ompi_mpi_comm_world>) at pml_ob1_isend.c:120
#3  0x00007fffeceddef0 in mca_pml_ob1_isend (buf=0x7fffa68821ac, count=11,
    datatype=0x555555758f80 <ompi_mpi_float>, dst=1, tag=979,
    sendmode=MCA_PML_BASE_SEND_STANDARD,
    comm=0x555555758d80 <ompi_mpi_comm_world>, request=0x7fffffffc160)
    at pml_ob1_isend.c:172
#4  0x00007ffff6b17e08 in PMPI_Isend (buf=0x7fffa68821ac, count=11,
    type=0x555555758f80 <ompi_mpi_float>, dest=1, tag=979,
    comm=0x555555758d80 <ompi_mpi_comm_world>, request=0x7fffffffc160)
    at pisend.c:95