mpi2017 update2 segfault at libmpifort.so.12.0 when mpirun test

wang_b_1 · ‎03-09-2017

hello:

After install parallel_studio_xe_2017.2.050, i try to test mpi like this:

in dir "/opt/intel/compilers_and_libraries_2017.2.174/linux/mpi/test"

use cmd : "mpiicc test.c -o test "

then :"mpirun -n 2 ./test "

but, segfault hanppend:

[ 8671.743574] test[1229]: segfault at 1 ip 00007ff2fdc59f45 sp 00007fff51885050 error 4 in libmpifort.so.12.0[7ff2fdb27000+17e000]

my systerm info is:

# echo $PATH
/opt/intel/compilers_and_libraries_2017.2.174/linux/mpi/intel64/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/intel/compilers_and_libraries_2017.2.174/linux/bin/intel64/

# file test
test: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32, BuildID[sha1]=2c11b6ba5907ec05d55bac421c90b4b3984b05e5, not stripped

# cpuinfo
Intel(R) processor family information utility, Version 2017 Update 2 Build 20170125 (id: 16752)
Copyright (C) 2005-2017 Intel Corporation. All rights reserved.

===== Processor composition =====
Processor name : Intel(R) Xeon(R) E5-2660 0
Packages(sockets) : 1
Cores : 8
Processors(CPUs) : 8
Cores per package : 8
Threads per core : 1

===== Processor identification =====
Processor Thread Id. Core Id. Package Id.
0 0 0 0
1 0 1 0
2 0 2 0
3 0 3 0
4 0 4 0
5 0 5 0
6 0 6 0
7 0 7 0
===== Placement on packages =====
Package Id. Core Id. Processors
0 0,1,2,3,4,5,6,7 0,1,2,3,4,5,6,7

===== Cache sharing =====
Cache Size Processors
L1 32 KB no sharing
L2 256 KB no sharing
L3 20 MB (0,1,2,3,4,5,6,7)

name -a
Linux 3.10.55-EMBSYS-CGELyocto-standard #7 SMP Tue Mar 15 19:54:08 CST 2016 x86_64 GNU/Linu

James_S · ‎03-12-2017

Hi Wang,

There are two duplicated threads in the forum, I have closed another one so we can focus on this thread. Thanks.

Could you please provide the the outputs of:

1. env | grep I_MPI

2. export -genv I_MPI_DEBUG=100 -n 2 ...

Thank you.

Regards,

Zhuowei