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wang_b_1
Beginner
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mpi2017 update2 segfault at libmpifort.so.12.0 when mpirun test

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

 

0 Kudos
1 Reply
James_S
Employee
95 Views

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

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