[gmx-users] segmentation fault error

Erik Lindahl lindahl at sbc.su.se
Mon Dec 12 09:20:06 CET 2005


Segfaults shouldn't really happen (=bug). Mark is probably right that  
it is an input error, but we try to catch bad things before they  
happen and quit the program in a somewhat clean manner.

Report back with lots of details and we'll see if we can provide a  
better error message in the future.



On Dec 10, 2005, at 1:19 PM, Mark Abraham wrote:

> Rahul Karyappa wrote:
>> Dear all,
>>     I am running MD on my system. But after few steps it
>> gives error as "Segmentation fault".  I have generated my
>> structure  using Cerius2 and I have minimised it also. Even I
>> minimised the structure usiong Gromacs. But still it gives this  
>> error.
>> What  will be the cause of this error?  I am totally
>> confused. PLease let me know about this. Thanking you in advance.
> A segmentation fault is a generic error report that occurs when a  
> program tries to read or write memory errors that it shouldn't (be  
> able to) access. In well-tested software like gromacs, this usually  
> means inappropriate input has been provided. It is like going to  
> the doctor and saying "I'm sick"... you'll need to provide more  
> information.
> Mark
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Erik Lindahl  <lindahl at sbc.su.se>     Backup address:  
<erik.lindahl at gmail.com>
Assistant Professor, Computational Structural Biology
Stockholm Bioinformatics Center, Stockholm University, SE 106 91  
Phone: +46 8 5537 8564     Fax: +46 8 5537 8214

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