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[KVS <kvs@xxxxxxxxx>]

Thanks Johan!
That works :)

K

> On Friday 18 September 2009 15:43:34 KVS wrote:
>> Public bug reported:
>>
>> Hi,
>> I just build FEniCS with Dorsal and tried to run the poisson.py demo.
>> Running "python demo.py" works fine, but "mpirun -n 2 python demo.py"
>> does
>>  not. See text below. Is there an easy fix?
>
> What version of linux do you use?
>
> This looks like the same problem I had a while ago (with jaunty), where
> mpirun
> use ssh to submit the different jobs. The problem is that the script is
> executed without the necessary paths. You need to forward these.
>
> My workaround was to set the following alias:
>
>   alias mpirun='mpirun -x PYTHONPATH -x LD_LIBRARY_PATH -x
> PKG_CONFIG_PATH\
>     -x PATH -x DISPLAY'
>
> you might also need to put:
>
> Host *
> ForwardAgent yes
> ForwardX11 yes
>
> in your .ssh/config file to get plotting to work.
>
> Johan
>
>> Kristian
>>
>> kvs@flekktvetann:~/fenics/dolfin/demo/pde/poisson/python$ python demo.py
>> Solving linear variational problem
>>   Matrix of size 1089 x 1089 has 7361 nonzero entries.
>>   Applying boundary conditions to linear system.
>>   Solving linear system of size 1089 x 1089 (PETSc LU solver, petsc).
>> Plot active, press 'q' to continue.
>>
>> kvs@flekktvetann:~/fenics/dolfin/demo/pde/poisson/python$ mpirun -n 2
>>  python demo.py kvs@flekktvetann's password:
>> Traceback (most recent call last):
>>   File "demo.py", line 20, in <module>
>>     from dolfin import *
>> ImportError: No module named dolfin
>> Traceback (most recent call last):
>>   File "demo.py", line 20, in <module>
>>     from dolfin import *
>> ImportError: No module named dolfin
>>
>> ** Affects: dolfin
>>      Importance: Undecided
>>          Status: New
>>
>
> --
> Poisson demo in parallel
> https://bugs.launchpad.net/bugs/432491
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in DOLFIN: New
>
> Bug description:
> Hi,
> I just build FEniCS with Dorsal and tried to run the poisson.py demo.
> Running "python demo.py" works fine, but "mpirun -n 2 python demo.py" does
> not.
> See text below. Is there an easy fix?
>
> Kristian
>
> kvs@flekktvetann:~/fenics/dolfin/demo/pde/poisson/python$ python demo.py
> Solving linear variational problem
>   Matrix of size 1089 x 1089 has 7361 nonzero entries.
>   Applying boundary conditions to linear system.
>   Solving linear system of size 1089 x 1089 (PETSc LU solver, petsc).
> Plot active, press 'q' to continue.
>
> kvs@flekktvetann:~/fenics/dolfin/demo/pde/poisson/python$ mpirun -n 2
> python demo.py
> kvs@flekktvetann's password:
> Traceback (most recent call last):
>   File "demo.py", line 20, in <module>
>     from dolfin import *
> ImportError: No module named dolfin
> Traceback (most recent call last):
>   File "demo.py", line 20, in <module>
>     from dolfin import *
> ImportError: No module named dolfin
>


Kristian

-- 
Poisson demo in parallel
https://bugs.launchpad.net/bugs/432491
You received this bug notification because you are subscribed to DOLFIN.

Status in DOLFIN: Invalid

Bug description:
Hi, 
I just build FEniCS with Dorsal and tried to run the poisson.py demo.
Running "python demo.py" works fine, but "mpirun -n 2 python demo.py" does not.
See text below. Is there an easy fix?

Kristian

kvs@flekktvetann:~/fenics/dolfin/demo/pde/poisson/python$ python demo.py
Solving linear variational problem
  Matrix of size 1089 x 1089 has 7361 nonzero entries.
  Applying boundary conditions to linear system.
  Solving linear system of size 1089 x 1089 (PETSc LU solver, petsc).
Plot active, press 'q' to continue.

kvs@flekktvetann:~/fenics/dolfin/demo/pde/poisson/python$ mpirun -n 2 python demo.py
kvs@flekktvetann's password: 
Traceback (most recent call last):
  File "demo.py", line 20, in <module>
    from dolfin import *
ImportError: No module named dolfin
Traceback (most recent call last):
  File "demo.py", line 20, in <module>
    from dolfin import *
ImportError: No module named dolfin