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[Marie Rognes <614617@xxxxxxxxxxxxxxxxxx>]

I fail already at step 2, the basic generalized eigenvalue problem:

esolver = SLEPcEigenSolver()
esolver.solve(A, M)

[0]PETSC ERROR: --------------------- Error Message ------------------------------------
[0]PETSC ERROR: Corrupt argument: see http://www.mcs.anl.gov/petsc/petsc-as/documentation/troubleshooting.html#Corrupt!
[0]PETSC ERROR: MPI_Comm does not have tag/name counter nor does it have inner MPI_Comm!
[0]PETSC ERROR: ------------------------------------------------------------------------
[0]PETSC ERROR: Petsc Release Version 3.1.0, Patch 4, Fri Jul 30 14:42:02 CDT 2010
[0]PETSC ERROR: See docs/changes/index.html for recent updates.
[0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
[0]PETSC ERROR: See docs/index.html for manual pages.
[0]PETSC ERROR: ------------------------------------------------------------------------
[0]PETSC ERROR: Unknown Name on a linux-gnu named localhost by meg Mon Aug 16 15:33:57 2010
[0]PETSC ERROR: Libraries linked from /home/meg/local/lib
[0]PETSC ERROR: Configure run at Mon Aug 16 13:19:01 2010
[0]PETSC ERROR: Configure options --with-mpi=0 --with-shared=1 --prefix=/home/meg/local
[0]PETSC ERROR: ------------------------------------------------------------------------
[0]PETSC ERROR: PetscCommDestroy() line 239 in src/sys/objects/tagm.c
[0]PETSC ERROR: PetscHeaderDestroy_Private() line 75 in src/sys/objects/inherit.c
[0]PETSC ERROR: PCDestroy() line 90 in src/ksp/pc/interface/precon.c
[0]PETSC ERROR: KSPDestroy() line 695 in src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: STDestroy() line 127 in src/st/interface/stfunc.c
[0]PETSC ERROR: EPSDestroy() line 589 in src/eps/interface/basic.c

-- 
Python eigenvalue demo fails
https://bugs.launchpad.net/bugs/614617
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Status in DOLFIN: New

Bug description:
The Python demo for solving eigenvalue problems fails for Lanczos method. Using SLEPC 3.1.