[Pw_forum] runtime error : [btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] connect() to 192.168.5.164 failed: Connection refused (111)

foster362 at gmail.com foster362 at gmail.com
Wed Jul 3 04:47:00 CEST 2013


Can you ssh between nodes (node1 to node2) and server without having to enter a password?

On Jul 2, 2013, at 2:52 PM, DHIRENDRA VAIDYA <dhirendra22121987 at gmail.com> wrote:

> Dear PW_forum community,
> 
> I am new to Quantum Espresso and I am trying to instal QE on our institute cluster. Compilers are installed in some non-standard directory and care is taken to include paths to variable PATH and LD_LIBRARY_PATH.
> 
> With this an espresso-5.0.1 is installed with gcc-4.8.1 and openmpi-1.6.5. I tried to produce bandstructure of silicon (given in one of the tutorials on web). By setting #PBS -l nodes=1:ppn=4 I get the bandstructure of silicon, the problem is in when #PBS -l nodes=2(or higher):ppn=2(anything here). The error I get is 
> 
> [compute-0-94.local][[63421,1],2][btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] connect() to 192.168.5.164 failed: Connection refused (111)
> [compute-0-94.local][[63421,1],3][btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] connect() to 192.168.5.164 failed: Connection refused (111)
> =>> PBS: job killed: walltime 607 exceeded limit 600
> mpiexec: killing job...
> 
> 
> Neither I nor our system admin doesnt know about this error. Can someone please tell me what this error is about. There is very little help on web about this error and solution to add --mca [with some options] doesnt seem to work for me.
> -- 
> Thanks a lot,
> Dhirendra Vaidya,
> IIT Bombay
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> Pw_forum at pwscf.org
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