Dear sir:

I don't quite understand how you did to solve the problem. Do you mean when you 
encounter this problem. Just run init_lapw again then scf calculation should 
work?

Thanks very much.



Sincerely

Wangwei Lan


________________________________
From: wien-boun...@zeus.theochem.tuwien.ac.at 
<wien-boun...@zeus.theochem.tuwien.ac.at> on behalf of sikander Azam 
<sikander.physi...@gmail.com>
Sent: Tuesday, July 28, 2015 14:36
To: A Mailing list for WIEN2k users
Subject: Re: [Wien] Segmentation fault in Supercell Calculation


Dear sir,
Mostly I also get the same problem, what I do, leave the struct . file and 
again do the initialization and then it's run well.
Regards

On 28 Jul 2015 21:25, "Lan, Wangwei" 
<wl...@my.fsu.edu<mailto:wl...@my.fsu.edu>> wrote:

Dear Professor Marks:


I've check everything you have mentioned, they are all fine, nevertheless it 
still don't work. I think the input files are ok since I have no problem 
running in non-parallel mode.

I tried to make the supercell smaller (2x1x1), then it works. However, I don't 
know why that happens.

By the way, I have "ulimit -s unlimited " in my .bashrc file. I'v also adjusted 
the RKMAX and RMT before.


Sincerely

Wangwei Lan



________________________________
From: 
wien-boun...@zeus.theochem.tuwien.ac.at<mailto:wien-boun...@zeus.theochem.tuwien.ac.at>
 
<wien-boun...@zeus.theochem.tuwien.ac.at<mailto:wien-boun...@zeus.theochem.tuwien.ac.at>>
 on behalf of Laurence Marks 
<l-ma...@northwestern.edu<mailto:l-ma...@northwestern.edu>>
Sent: Tuesday, July 28, 2015 13:09
To: A Mailing list for WIEN2k users
Subject: Re: [Wien] Segmentation fault in Supercell Calculation

You have what is called a "Segmentation Violation" which was detected by 4 of 
the nodes and they called an error handler which stopped the mpi job on all the 
CPU's.

This is normally because you have an error of some sort in your input files, 
any of case.in0, case.clmsum (and clmup/dn if you are using spin polarized).

1) Check that you do not have overlapping spheres and/or other mistakes.
2) Check your error files, e.g. "cat *.error". Are any others (e.g. 
dstart.error) not empty? Did you ignore an error during setup?
3) Check the lapw0 output in case.output0* -- maybe shows what is wrong.

There are many possible sources, you have to find the specific one.


On Tue, Jul 28, 2015 at 12:57 PM, Lan, Wangwei 
<wl...@my.fsu.edu<mailto:wl...@my.fsu.edu>> wrote:

Dear WIEN2k user:


I am using wien2k_14.2 on CentOS release 5.8. ifort version 12.1.3 with MKL.



After generating a 2x2x1 supercell with 30 atoms, I tried to do the scf 
calculation. However, I got some errors. I'v attached it at the end of this 
email. My wien2k was installed correctly. It works well for other calculations. 
It also worked if I run non-parallel calculation for supercell. I'v searched 
the mail-list, but can't find any solutions. Could you give me a hint on how to 
solve the problem? Thank you very much.



Sincerely

Wangwei Lan



On lapw0.error shows:



'Unknown' - SIGSEGV



On super.dayfile shows:


Child id           0 SIGSEGV

 Child id           8 SIGSEGV

 Child id          18 SIGSEGV

 Child id          23 SIGSEGV

 Child id          17 SIGSEGV




On Screen shows:

w2k_dispatch_signal(): received: Segmentation fault

w2k_dispatch_signal(): received: Segmentation fault

w2k_dispatch_signal(): received: Segmentation fault

w2k_dispatch_signal(): received: Segmentation fault

w2k_dispatch_signal(): received: Segmentation fault

w2k_dispatch_signal(): received: Segmentation fault

w2k_dispatch_signal(): received: Segmentation fault

--------------------------------------------------------------------------

MPI_ABORT was invoked on rank 18 in communicator MPI_COMM_WORLD

with errorcode 451782144.


NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.

You may or may not see output from other processes, depending on

exactly when Open MPI kills them.

--------------------------------------------------------------------------

--------------------------------------------------------------------------

mpirun has exited due to process rank 18 with PID 26388 on

node corfu.magnet.fsu.edu<http://corfu.magnet.fsu.edu> exiting without calling 
"finalize". This may

have caused other processes in the application to be

terminated by signals sent by mpirun (as reported here).

--------------------------------------------------------------------------

[corfu.magnet.fsu.edu:26369<http://corfu.magnet.fsu.edu:26369>] 23 more 
processes have sent help message help-mpi-api.txt / mpi-abort

[corfu.magnet.fsu.edu:26369<http://corfu.magnet.fsu.edu:26369>] Set MCA 
parameter "orte_base_help_aggregate" to 0 to see all help / error messages


>   stop error





--
Professor Laurence Marks
Department of Materials Science and Engineering
Northwestern University
www.numis.northwestern.edu<http://www.numis.northwestern.edu>
Corrosion in 4D: 
MURI4D.numis.northwestern.edu<http://MURI4D.numis.northwestern.edu>
Co-Editor, Acta Cryst A
"Research is to see what everybody else has seen, and to think what nobody else 
has thought"
Albert Szent-Gyorgi

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