[mvapich-discuss] MPI_Comm_spawn broken in 2.1rc1

[Nicolas Niclausse]

Hello

I'm unable to use  MPI_Comm_spawn with mvapich 2.1rc1

it just crash:

mpirun -np 1 ./spawntest.mvapich
[nef020:mpi_rank_0][error_sighandler] Caught error: Segmentation fault
(signal 11)

bt:

#0  0x00007fc616e5ae75 in vfprintf () from /lib64/libc.so.6
#1  0x00007fc616e86852 in vsnprintf () from /lib64/libc.so.6
#2  0x00007fc616e62782 in snprintf () from /lib64/libc.so.6
#3  0x00007fc6175174ee in PMI_Spawn_multiple () from
/home/nniclaus/softs/mvapich2_2.1rc1fail/lib/libmpi.so.12
#4  0x00007fc617517b96 in UPMI_JOB_SPAWN () from
/home/nniclaus/softs/mvapich2_2.1rc1fail/lib/libmpi.so.12
#5  0x00007fc617482fb4 in MPIDI_Comm_spawn_multiple () from
/home/nniclaus/softs/mvapich2_2.1rc1fail/lib/libmpi.so.12
#6  0x00007fc617447b7e in PMPI_Comm_spawn () from
/home/nniclaus/softs/mvapich2_2.1rc1fail/lib/libmpi.so.12
#7  0x0000000000400819 in main ()


MVAPICH2 Version:       2.1rc1
MVAPICH2 Release date:  Thu Dec 18 20:00:00 EDT 2014
MVAPICH2 Device:        ch3:mrail
MVAPICH2 configure:     --prefix=/home/nniclaus/softs/mvapich2
--with-device=ch3:mrail --with-rdma=gen2
MVAPICH2 CC:    gcc    -DNDEBUG -DNVALGRIND -O2
MVAPICH2 CXX:   g++   -DNDEBUG -DNVALGRIND -O2
MVAPICH2 F77:   gfortran -L/lib -L/lib   -O2
MVAPICH2 FC:    gfortran   -O2


it was working with version 2.1a

-- 
Nicolas NICLAUSSE                          Service DREAM
INRIA Sophia Antipolis                     http://www-sop.inria.fr/
2004 route des lucioles - BP 93            Tel: (33/0) 4 92 38 76 93
06902  SOPHIA-ANTIPOLIS cedex (France)     Fax: (33/0) 4 92 38 76 02