Vector containing one number

[Berend van Wachem]

Hi,

valgrind shows something related to open-mpi, see below. I'll try mpich 
to see if the problem goes away.

Thanks,
Berend.


==3683== Syscall param writev(vector[...]) points to uninitialised 
byte(s)
==3683==    at 0x543A607: writev (in /lib64/tls/libc-2.3.6.so)
==3683==    by 0x5BE0AEA: mca_oob_tcp_msg_send_handler 
(in /usr/local/lib/openmp                                                                                                                                                            
i/mca_oob_tcp.so)
==3683==    by 0x5BE1827: mca_oob_tcp_peer_send 
(in /usr/local/lib/openmpi/mca_o                                                                                                                                                            
ob_tcp.so)
==3683==    by 0x5BE5B93: mca_oob_tcp_send_nb 
(in /usr/local/lib/openmpi/mca_oob                                                                                                                                                            
_tcp.so)
==3683==    by 0x4B47DBD: _orte_iof_base_frag_ack 
(in /usr/local/lib/liborte.so.                                                                                                                                                            
0.0.0)
==3683==    by 0x4B47639: orte_iof_base_endpoint_forward 
(in /usr/local/lib/libo                                                                                                                                                            
rte.so.0.0.0)
==3683==    by 0x6D45538: orte_iof_svc_proxy_recv 
(in /usr/local/lib/openmpi/mca                                                                                                                                                            
_iof_svc.so)
==3683==    by 0x5BE137A: mca_oob_tcp_msg_recv_complete 
(in /usr/local/lib/openm                                                                                                                                                            
pi/mca_oob_tcp.so)
==3683==    by 0x5BE2D18: mca_oob_tcp_peer_recv_handler 
(in /usr/local/lib/openm                                                                                                                                                            
pi/mca_oob_tcp.so)
==3683==    by 0x4C7E466: opal_event_loop 
(in /usr/local/lib/libopal.so.0.0.0)
==3683==    by 0x4C78A55: opal_progress 
(in /usr/local/lib/libopal.so.0.0.0)
==3683==    by 0x4030AF: opal_condition_wait (condition.h:81)
==3683==  Address 0x41CF348 is not stack'd, malloc'd or (recently) 
free'd