[gmx-users] segmentation fault in g_anaeig

Tsjerk Wassenaar tsjerkw at gmail.com
Tue Nov 17 18:03:37 CET 2009

Hi Nilu,

Can you paste the exact commands you entered, and indicate the
selections you made? Oh, and can you check the archives to whether
this is the same problem that was reported a few weeks ago?



On Tue, Nov 17, 2009 at 5:53 PM, Nilu Chakrabarti
<nilu.chakrabarti at gmail.com> wrote:
> I am used to do PC analysis with g_covar followed by g_anaeig.
> But recently, I am getting segmentation fault with g_anaeig.
> The g_covar gives eigenval.xvg, eigenvec.trr and average.pdb.
> In the next step I use those 3 files to generate -
> (1) a projection of each individual vectors on the traj using -proj OR
> (2) a set of pdbs for each vector using -extr -nframes options.
> In each case I am receiving segmentation fault without any other message
> anywhere in a file. So i have no way of figuring out where the problem is.
> I am seeing this problem with gmx v 3.3.3  as well as with v 4.0.5.
> I will appreciate any help and suggestions. Thanks a bunch.
> --
> Nilu
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Tsjerk A. Wassenaar, Ph.D.

Computational Chemist
Medicinal Chemist

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