dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

Garth N. Wells wrote:
> Anders Logg wrote:
> > On Mon, Mar 17, 2008 at 05:18:03PM +0000, Garth N. Wells wrote:
> > > I'm having a tough time getting the demos to work again :(.
> > >
> > > Disabling PETSc, I can plot using pyDOLFIN, but running a cpp demo (like 
> > > poisson) I get
> > >
> > > *** glibc detected *** python: free(): invalid next size (fast): 
> > > 0x084667f0 ***
> > >
> > > when the demo tries to plot. Any ideas?
> > Same here:
> >
> > *** glibc detected *** python: free(): invalid next size (fast):
> > 0x084fdbf8 ***
> >
> > If you write
> >
> >   ls -lrt /tmp/*.py
> >
> > you'll see the Python script that is run when calling plot() from C++.
> >
> > Here's what it looks like:
> >
> >   from dolfin import *
> >
> >   object = Function("/tmp/filepjlanT.xml")
> >   plot(object)
> >
> > Running just this script reproduces the error one gets when running
> > the Poisson demo. From the trace it looks like something goes wrong in
> > DiscreteFunction::interpolate() when DOLFIN is compiled with PETSc.
>
> I'm getting the error with PETSc disabled.
>
> When I enable PETSc, I get a message that plotting is not configured.
>
> > I looked at it briefly but couldn't figure it out.

Looks like the problem was introduced by

  http://www.fenics.org/hg/dolfin?cs=2576b428fd0e

I haven't had a look at the details.

Garth

> I'll take a look.
>
> Garth
>
> > > Also, what's the plan with PETSc? Will '-Wl,-rpath' be added when 
> > > creating the library? Because it not there now and because I don't want 
> > > to add the PETSc directory to LD_CONFIFG, at the moment I can't run any 
> > > of the demos when using PETSc.
> > Same here.
>
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