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[Anders Logg <logg@xxxxxxxxx>]

This demo works for me, both with and without DOLFIN_NOPLOT.
I had to run instant-clean to make it work (don't know why).

Try and see if that helps.

-- 
Anders


On Mon, Dec 29, 2008 at 12:10:21PM +0100, Johan Hake wrote:
> On Monday 29 December 2008 11:59:26 Ilmar Wilbers wrote:
> > You're right, I recompiled PETSc on the buildbots, and now they pass
> > this step. There is a single Python demo that is failing with a PETSc
> > error, not exactly sure what the problem is there.
> 
> Which demo is it, and are you sure it is a PETSc related error? I have one 
> python demo that still fails on me. It is
> 
>    function/projection-interpolation
> 
> When PETSc is the linear backen PETSc debug messages kicks in, but when uBLAS 
> is the backend I get a "normal" stack trace. 
> 
> The segfault only appears when DOLFIN_NOPLOTS is defined, so it is a strange 
> bug, and seems to occur when the memory is released. Here is the full output 
> when failing:
> 
> Checking mesh ordering (finished).
> Assembling matrix over cells (finished).
> Assembling vector over cells (finished).
> Solving linear system of size 36 x 36 (uBLAS Krylov solver).
> *** Warning: Conjugate-gradient method not programmed for uBLASKrylovSolver. 
> Using GMRES.
> Krylov solver converged in 7 iterations.
> [hake-laptop:21122] *** Process received signal ***
> [hake-laptop:21122] Signal: Segmentation fault (11)
> [hake-laptop:21122] Signal code: Address not mapped (1)
> [hake-laptop:21122] Failing at address: 0x3fc5bd62
> [hake-laptop:21122] [ 0] [0xb7ee9440]
> [hake-laptop:21122] [ 1] python [0x8088198]
> [hake-laptop:21122] [ 2] python [0x80f4560]
> [hake-laptop:21122] [ 3] python(PyGC_Collect+0x25) [0x80f4df5]
> [hake-laptop:21122] [ 4] python(Py_Finalize+0xba) [0x80ea2da]
> [hake-laptop:21122] [ 5] python(Py_Main+0x468) [0x8058d68]
> [hake-laptop:21122] [ 6] python(main+0x22) [0x80587f2]
> [hake-laptop:21122] [ 7] /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe0) 
> [0xb7d3e450]
> [hake-laptop:21122] [ 8] python [0x8058761]
> [hake-laptop:21122] *** End of error message ***
> Segmentation fault
> 
> It seems that the segfaults happens in the python library.
> 
> Am I the only one getting this error?
> 
> Johan
> 
> > ilmar
> >
> > Garth N. Wells wrote:
> > > The problem could be that PETSc on the buildbot is not compiled with C++
> > > support (configure option --with-clanguage=C++).
> > >
> > > Garth
> > >
> > > buildbot@xxxxxxxxxx wrote:
> > >> The Buildbot has detected a new failure of linux_32.
> > >> Full details are available at:
> > >>  http://fenics.org:8010/dolfin/linux_32/builds/1160
> > >>
> > >> Buildbot URL: http://fenics.org:8010/dolfin/
> > >>
> > >> Buildslave for this Build: x86-linux
> > >>
> > >> Build Reason: Build Source Stamp: HEAD
> > >> Blamelist: Anders Logg,Garth N. Wells,Johan Hake
> > >>
> > >> BUILD FAILED: failed compile_5
> > >>
> > >> sincerely,
> > >>  -The Buildbot
> > >>
> > >> _______________________________________________
> > >> DOLFIN-dev mailing list
> > >> DOLFIN-dev@xxxxxxxxxx
> > >> http://www.fenics.org/mailman/listinfo/dolfin-dev
> >
> > _______________________________________________
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> > DOLFIN-dev@xxxxxxxxxx
> > http://www.fenics.org/mailman/listinfo/dolfin-dev
> 
> 
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