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Re: [ESPResSo] eps mpi run problem

From: Axel Arnold
Subject: Re: [ESPResSo] eps mpi run problem
Date: Tue, 01 Jun 2010 09:28:57 +0200

Please provide the full error message, so far it only says that somewhere while 
executing Espresso, a segfault appeared.

A seg fault can have many different reasons, either a bug, or a problem with 
the MPI library or similar. One common problem is that you are not letting your 
system relax slow enough, and it explodes. In rare cases, you will then get a 
segfault instead of an error.


-------- Original-Nachricht --------
> Datum: Mon, 31 May 2010 14:44:07 +0800
> Von: "Yanping Fan, Liza (Dr)" <address@hidden>
> An: "address@hidden" <address@hidden>
> Betreff: [ESPResSo] eps mpi run problem

> Dear all:
> I met some problems using espresso ,can anyone suggest how to solve it?
> Thanks a lot.
> Here's the erro msg once I submit to multiple nodes for some systems.
> address@hidden spm]$ tail esp_0004.err.log [compute245:30513] [10]
> /usr/lib64/ [0x3ea042e219] [compute245:30513]
> [11] /usr/lib64/ [0x3ea0471217]
> [compute245:30513] [12] /usr/lib64/ [0x3ea0475000]
> [compute245:30513] [13]
> /home/fanyp/Espresso/obj-unknown_CPU-pc-linux/Espresso_bin(main+0x85) 
> [0x40ec35] [compute245:30513] [14]
> /lib64/ [0x3e9dc1d974] [compute245:30513] 
> [15]
> /home/fanyp/Espresso/obj-unknown_CPU-pc-linux/Espresso_bin [0x40eaf9] 
> [compute245:30513] *** End
> of error message ***
> --------------------------------------------------------------------------
> mpirun noticed that process rank 0 with PID 30513 on node compute245
> exited on signal 11 (Segmentation fault).
> They can run properly within 1 node. The funny thing is for some systems
> which cant run on multiple nodes can be modified, such as enlarge the box
> size, then they can run on multiply nodes.
> Best regards,
> Liza
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