glibc detected : corrupted double-linked list: 0xa4657ad8

From: Vlad Cojocaru (Vlad.Cojocaru_at_eml-r.villa-bosch.de)
Date: Tue Aug 18 2009 - 05:15:55 CDT

Dear NAMD users,

I am trying to run NAMD on a Blue Gene P . The CVS code from 16th August
was compiled by the people responsible at the supercomputer site.
However when i tried to run it I get an error "glibc detected ...:
corrupted double-linked list: 0xa4657ad8" ....

Now the code was compiled against tcl 8.5 but the details of the
compilation I don't know as I didn't do it myself ...

in my configuration file I have a foreach loop that loks like this one
below..

foreach factor {100 10 1 0.1 0} {
 constraintScaling $factor
 if { $factor != 0 } {
  run 1000
 } elseif { $factor == 0 } {
  run 5000
 }
}

The error comes up after the first call to tcl in the logfile . My guess
is that the error comes from the linking to the tcl libraries but I am
not sure ...

The person at the supercomputer site says its a bug in NAMD ...

Does any of you have an idea what might go wrong here ?

Thanks
Vlad

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Dr. Vlad Cojocaru
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e-mail:Vlad.Cojocaru[at]eml-r.villa-bosch.de
http://projects.villa-bosch.de/mcm/people/cojocaru/
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