← Back to team overview

fenics team mailing list archive

Re: [Deb-dev] Segfault while executing FeniCS programm

 

On Fri, August 1, 2008 12:17, Garth N. Wells wrote:
> Johannes Ring wrote:
>> Hi Jiping,
>>
>> I think this segfault problem must have been introduced when I added
>> Trilinos as a dependency to the DOLFIN Ubuntu packages.
>
> Why do we have Trilinos as a dependency for the package? I don't see
> what this adds for the user at this stage.

Well, if it doesn't add anything to the user, I can simply remove it.

Johannes

> Garth
>
> This seems to only
>> affect the 64 bit packages. I will try to work out a solution, but I
>> wont
>> be able to do it until next week. If you need to work with DOLFIN before
>> that, I suggest you build DOLFIN from source.
>>
>> Sorry for your troubles,
>> Johannes
>>
>> On Thu, July 31, 2008 17:33, Jiping Xin wrote:
>>> Hi there,
>>>
>>> I'm writing you to ask you if you could help me with a problem:
>>>
>>> I'm Using Ubuntu 8.04 x86_64 with kernel 2.6.24-19-generic and
>>> installed
>>> FEniCS on my computer.
>>> But when I want to start the demo.py, I'm getting pretty soon a fatal
>>> MPI
>>> error.
>>>
>>> I already googled this issue, but the only "solution" I found there:
>>> http://www.mail-archive.com/dolfin-dev@xxxxxxxxxx/msg02795.html
>>>
>>> But this solution (to follow the installation instruction on the FEniCS
>>> homepage) was exactly what I've done to install FEniCS.
>>>
>>> I hope you can give me some more information or support to solve this
>>> issue.
>>>
>>> If you need any additional informations, don't hesitate to ask for it.
>>>
>>> Here is the output of the demo.py (which I attach to this mail):
>>>
>>> ==========================
>>> jiping@iwr22:~/Documents/FEniCS$ python demo.py
>>> [iwr22:06710] mca: base: component_find: unable to open osc pt2pt: file
>>> not found (ignored)
>>> libibverbs: Fatal: couldn't read uverbs ABI version.
>>> --------------------------------------------------------------------------
>>> [0,0,0]: OpenIB on host iwr22 was unable to find any HCAs.
>>> Another transport will be used instead, although this may result in
>>> lower performance.
>>> --------------------------------------------------------------------------
>>> Solving linear PDE.
>>>   Assembling matrix over cells (finished).
>>>   Assembling vector over cells (finished).
>>>   Assembling vector over exterior facets (finished).
>>>   Computing Dirichlet boundary values, topological search (finished).
>>>   Applying boundary conditions to linear system.
>>>   Solving linear system of size 1089 x 1089 (PETSc LU solver, umfpack).
>>> Saved function u (discrete function) to file poisson.pvd in VTK format.
>>> *** An error occurred in MPI_Attr_get
>>> *** after MPI was finalized
>>> *** MPI_ERRORS_ARE_FATAL (goodbye)
>>> [iwr22:6710] Abort before MPI_INIT completed successfully; not able to
>>> guarantee that all other processes were killed!
>>> *** An error occurred in MPI_Comm_rank
>>> *** after MPI was finalized
>>> *** MPI_ERRORS_ARE_FATAL (goodbye)
>>> *** An error occurred in MPI_Type_free
>>> *** after MPI was finalized
>>> *** MPI_ERRORS_ARE_FATAL (goodbye)
>>> Segmentation fault
>>> ==========================
>>>
>>>
>>> Here is, what /var/log/messages tells me:
>>> ==========================
>>> Jul 31 17:15:55 iwr22 kernel: [  454.120388] python[6710]: segfault at
>>> 58
>>> rip 7f020373c666 rsp 7fff0dfae960 error 4
>>> ==========================
>>>
>>> I hope you can help me and thank you in advance,
>>> Jiping Xin
>>>
>>>
>>> --
>>> Jiping Xin
>>> Engineering Mathematics, Mathematics School of Chalmers University of
>>> Technology
>>> Brahegatan 9, 1207 Room,
>>> Gothenburg_______________________________________________
>>> FEniCS-dev mailing list
>>> FEniCS-dev@xxxxxxxxxx
>>> http://www.fenics.org/mailman/listinfo/fenics-dev
>>>
>>
>>
>> _______________________________________________
>> Deb-dev mailing list
>> Deb-dev@xxxxxxxxxx
>> http://fenics.org/mailman/listinfo/deb-dev
>




Follow ups

References