dolfin team mailing list archive

[Harish Narayanan <harish@xxxxxxxxxxx>]

Anders Logg wrote:
> Good, was it ffc-clean that helped?

Yes. I retried the demos and they all run---other than the ones marked 
broken and [1].

I didn't know about ffc-clean, and forced an rm -rf ~/.ffc as I was 
running into problems such as the following when running through the 
python demos in gdb,

Assembling over 29132 cells.
  | Assembling over cells                                           |
  |-----------------------------------------------------------------| 0.0%

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x08c0c616 in 
form_62d25dd889dc963e4f7ee7affa6d0549LinearForm_finite_element_1::interpolate_vertex_values 
()

and

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x05c74356 in 
form_66a9c48fc99d3995e9e7748d5229a35fLinearForm_finite_element_2::interpolate_vertex_values 
()

which were showing up and disappearing randomly based on the order in 
which I was running through the demos. Plotting works also.

Harish

[1] The DG Poisson python demo gives me the following error:

Traceback (most recent call last):
  File "demo.py", line 64, in <module>
    u = pde.solve()
  File 
"/Users/hnarayan/Work/FEniCS/build/lib/python2.5/site-packages/dolfin/assemble.py", 
line 182, in solve
    (A, self.dof_maps) = assemble(self.a, self.mesh, return_dofmaps=True)
  File 
"/Users/hnarayan/Work/FEniCS/build/lib/python2.5/site-packages/dolfin/assemble.py", 
line 43, in assemble
    (compiled_form, module, form_data) = jit(form)
  File "/sw/lib/python2.5/site-packages/ffc/jit/jit.py", line 44, in jit
    form_data = analyze.analyze(form)
  File 
"/sw/lib/python2.5/site-packages/ffc/compiler/analysis/analyze.py", line 
27, in analyze
    check_form(form)
  File 
"/sw/lib/python2.5/site-packages/ffc/compiler/analysis/checks.py", line 
26, in check_form
    check_restrictions(form)
  File 
"/sw/lib/python2.5/site-packages/ffc/compiler/analysis/checks.py", line 
53, in check_restrictions
    raise FormError, (p, "Integrand may not be restricted in an 
exterior facet integral.")
ffc.common.exceptions.FormError