[gmx-developers] Regd segmentation fault...

Anjan Raghunathan araghuna at uiuc.edu
Fri Aug 22 22:43:32 CEST 2003


Thanks... Will try doing that....

Anjan


---- Original message ----
>Date: 22 Aug 2003 20:44:20 +0200
>From: David <spoel at xray.bmc.uu.se>  
>Subject: Re: [gmx-developers] Regd segmentation fault...  
>To: gmx-developers at gromacs.org
>
>On Fri, 2003-08-22 at 17:46, Anjan Raghunathan wrote:
>> Hi,
>>   I'd modified gromacs to use my own electrostatic calculation. But now there is a segmentation fault that occurs when I simulate some systems that wouldnt give a problem with normal gromacs electrostatics. 
>>   I'd like to know if there is a way to figure out at which step the fault occurs in gromacs as my code doesnt seem to be causing the crash though there could be some blow up in values happening somewhere..
>>    Is the debug flag useful in such cases ?
>
>You will probably find it useful to learn using a debugging program. On
>Linux I'd advise you to use ddd which is a user friendly front end to
>gdb, the Gnu debugger.
>You will have to start by recompiling:
>gmake clean
>gmake CFLAGS=-g
>then run mdrun in the debugger
>ddd src/kernel/mdrun
>
> 
>> 
>> thanks,
>> Anjan
>> _______________________________________
>> 
>> Anjan V. Raghunathan
>> Graduate Research Assistant
>> Computational Electronics Group
>> 3213 Beckman Institute,
>> Univ. of Illinois at Urbana-Champaign.
>> 
>> E-mail:araghuna at uiuc.edu 
>> Off: 217-244-1964
>> Res: 217-355-5418
>> _______________________________________________
>> gmx-developers mailing list
>> gmx-developers at gromacs.org
>> http://www.gromacs.org/mailman/listinfo/gmx-developers
>> Please don't post (un)subscribe requests to the list. Use the 
>> www interface or send it to gmx-developers-request at gromacs.org.
>-- 
>Groeten, David.
>________________________________________________________________________
>Dr. David van der Spoel, 	Dept. of Cell and Molecular Biology
>Husargatan 3, Box 596,  	75124 Uppsala, Sweden
>phone:	46 18 471 4205		fax: 46 18 511 755
>spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel
>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>_______________________________________________
>gmx-developers mailing list
>gmx-developers at gromacs.org
>http://www.gromacs.org/mailman/listinfo/gmx-developers
>Please don't post (un)subscribe requests to the list. Use the 
>www interface or send it to gmx-developers-request at gromacs.org.
_______________________________________

Anjan V. Raghunathan
Graduate Research Assistant
Computational Electronics Group
3213 Beckman Institute,
Univ. of Illinois at Urbana-Champaign.

E-mail:araghuna at uiuc.edu 
Off: 217-244-1964
Res: 217-355-5418



More information about the gromacs.org_gmx-developers mailing list