[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)

[Axel Kohlmeyer]

On Wed, Jul 3, 2013 at 6:50 AM, DHIRENDRA VAIDYA
<dhirendra22121987 at gmail.com> wrote:
> Actually I am running pw.x through PBS using qsub. System admin says
> passwardless ssh is taken care. I can run small parallel programs but when I
> try to run pw.x it gives above error.

it *definitely* is a system setup problem and your sysadmin will have
to solve it.
it is not a QE problem. not at all. there are a number of possible
reasons why this can show up, e.g. a forgotten firewall or one
non-functional node in the cluster. you have to work with your
sysadmin to figure this out.

axel.


>
>
> On Wed, Jul 3, 2013 at 8:17 AM, <foster362 at gmail.com> wrote:
>>
>> 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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>
>
>
>
> --
> Warm Regards,
> Dhirendra Vaidya
>
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--
Dr. Axel Kohlmeyer  akohlmey at gmail.com  http://goo.gl/1wk0
International Centre for Theoretical Physics, Trieste. Italy.