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<DIV><FONT face=Arial size=2>Dear all,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I am suffering from the error message like 
this,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial 
size=2>[node1][0,1,12][btl_tcp_frag.c:202:mca_btl_tcp_frag_recv] 
mca_btl_tcp_frag_recv: readv failed with errno=104<BR>forrtl: error (78): 
process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>libblas.so.3       55A8D51C  
Unknown               
Unknown  
Unknown<BR>pw.x               
081CBD7B  
Unknown               
Unknown  
Unknown<BR>pw.x               
0823A95E  
Unknown               
Unknown  
Unknown<BR>pw.x               
08239C4A  
Unknown               
Unknown  
Unknown<BR>pw.x               
081DEDC9  
Unknown               
Unknown  
Unknown<BR>pw.x               
081D4E9C  
Unknown               
Unknown  
Unknown<BR>Unknown            
FFFFD060  
Unknown               
Unknown  Unknown<BR> <BR>Stack trace terminated abnormally.<BR>forrtl: 
error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>mca_oob_tcp.so     55F911B4  
Unknown               
Unknown  
Unknown<BR>Unknown            
00000001  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>pw.x               
0813EE72  
Unknown               
Unknown  
Unknown<BR>pw.x               
0813E577  
Unknown               
Unknown  Unknown<BR> <BR>Stack trace terminated abnormally.<BR>forrtl: 
error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE40E  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE40E  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>libblas.so.3       55A8C50F  
Unknown               
Unknown  
Unknown<BR>pw.x               
081CBD7B  
Unknown               
Unknown  
Unknown<BR>pw.x               
0823A95E  
Unknown               
Unknown  
Unknown<BR>pw.x               
08239C4A  
Unknown               
Unknown  
Unknown<BR>pw.x               
081DEDC9  
Unknown               
Unknown  
Unknown<BR>pw.x               
081D4E9C  
Unknown               
Unknown  
Unknown<BR>Unknown            
FFFFD060  
Unknown               
Unknown  Unknown<BR> <BR>Stack trace terminated abnormally.<BR>forrtl: 
error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE40E  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>libblas.so.3       55A8C50F  
Unknown               
Unknown  
Unknown<BR>pw.x               
081CBD7B  
Unknown               
Unknown  
Unknown<BR>pw.x               
0823A95E  
Unknown               
Unknown  
Unknown<BR>pw.x               
08239C4A  
Unknown               
Unknown  
Unknown<BR>pw.x               
081DEDC9  
Unknown               
Unknown  
Unknown<BR>pw.x               
081D4E9C  
Unknown               
Unknown  
Unknown<BR>Unknown            
FFFFD060  
Unknown               
Unknown  Unknown<BR> <BR>Stack trace terminated abnormally.<BR>forrtl: 
error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  
Unknown<BR>Unknown            
00000003  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>libblas.so.3       55A8C50B  
Unknown               
Unknown  
Unknown<BR>pw.x               
081CBD7B  
Unknown               
Unknown  
Unknown<BR>pw.x               
0823A95E  
Unknown               
Unknown  
Unknown<BR>pw.x               
08239C4A  
Unknown               
Unknown  
Unknown<BR>pw.x               
081DEDC9  
Unknown               
Unknown  
Unknown<BR>pw.x               
081D4E9C  
Unknown               
Unknown  
Unknown<BR>Unknown            
FFFFCDC0  
Unknown               
Unknown  Unknown<BR> <BR>Stack trace terminated abnormally.<BR>forrtl: 
error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  
Unknown<BR>[node1][0,1,12][btl_tcp_frag.c:202:mca_btl_tcp_frag_recv] 
mca_btl_tcp_frag_recv: readv failed with errno=104<BR>forrtl: error (78): 
process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>forrtl: error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>libblas.so.3       55A8BF47  
Unknown               
Unknown  
Unknown<BR>pw.x               
080EA567  
Unknown               
Unknown  Unknown<BR> <BR>Stack trace terminated abnormally.<BR>forrtl: 
error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>libblas.so.3       55A8BF3B  
Unknown               
Unknown  
Unknown<BR>pw.x               
081E3C7B  
Unknown               
Unknown  Unknown<BR> <BR>Stack trace terminated abnormally.<BR>forrtl: 
error (78): process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  
Unknown<BR>[node8][0,1,23][btl_tcp_frag.c:202:mca_btl_tcp_frag_recv] 
mca_btl_tcp_frag_recv: readv failed with errno=104<BR>forrtl: error (78): 
process killed 
(SIGTERM)<BR>Image              
PC        
Routine            
Line        
Source             
<BR>.                  
FFFFE410  
Unknown               
Unknown  Unknown<BR>mpirun noticed that job rank 14 with PID 3519 on node 
node3 exited on signal 11 (Segmentation fault). <BR></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I could relax 72 atoms successfully with my 
system using openmpi. But when I wanted to relax 84 atoms, the error 
message stoped my calculation. Then I tried the mpich2 using the same system. 
With the help of mpich2 I could relax 120 atoms instead. But the error message 
bothered me again when I wanted to relax 132 atoms. I was get <SPAN 
class=heighlight><FONT color=#466fcd>entangle </FONT><FONT color=#000000>by 
</FONT></SPAN>his troublesome thing for quite a long time. Could someone give me 
some suggestions to cope with this?</FONT></DIV>
<DIV><FONT face=Arial size=2>for better understanding my question, I will show 
the detail of my systems as follows,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>there are 8 nodes in my cluster with the 
Ethernet.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>CPU    intel Q6600</FONT></DIV>
<DIV><FONT face=Arial size=2>Memory    8G per 
node</FONT></DIV>
<DIV><FONT face=Arial size=2>Main Board intel S3000AH</FONT></DIV>
<DIV><FONT face=Arial size=2>hard disk seagate 750G (7200)</FONT></DIV>
<DIV><FONT face=Arial size=2>OS redhat linux enterprise 4 as 4 update 4 
</FONT></DIV>
<DIV><FONT face=Arial size=2>Fortran intel ifort 10.1.015</FONT></DIV>
<DIV><FONT face=Arial size=2>C    intel icc 
10.1.015</FONT></DIV>
<DIV><FONT face=Arial 
size=2>MPI    mpich2/openmpi</FONT></DIV>
<DIV><FONT face=Arial size=2>FFTW    fftw 2.1.5</FONT></DIV>
<DIV><FONT face=Arial size=2>MKL    10.0.1.014</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>
<DIV><FONT face=Arial size=2>thank you for reading. </FONT><FONT face=Arial 
size=2>any hints will be deeply appreciated.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>vega</FONT></DIV>
<DIV> </DIV></DIV>
<DIV><FONT face=Arial 
size=2>=================================================================================<BR>Vega 
Lew (weijia liu)<BR>PH.D Candidate in Chemical Engineering<BR>State Key 
Laboratory of Materials-oriented Chemical Engineering<BR>College of Chemistry 
and Chemical Engineering<BR>Nanjing University of Technology, 210009, Nanjing, 
Jiangsu, China</FONT></DIV></BODY></HTML>