Dear Firedrake Developers, I tried to start the helmholtz.py example, but I get the following error: File "helmholtz.py", line 47, in <module> from firedrake import * File "/home/user/.local/lib/python2.7/site-packages/firedrake/__init__.py", line 8, in <module> import firedrake.petsc as petsc File "/home/user/.local/lib/python2.7/site-packages/firedrake/petsc.py", line 5, in <module> petsc4py.init(sys.argv) File "/home/user/.local/lib/python2.7/site-packages/petsc4py/__init__.py", line 42, in init PETSc = petsc4py.lib.ImportPETSc(arch) File "/home/user/.local/lib/python2.7/site-packages/petsc4py/lib/__init__.py", line 29, in ImportPETSc return Import('petsc4py', 'PETSc', path, arch) File "/home/user/.local/lib/python2.7/site-packages/petsc4py/lib/__init__.py", line 64, in Import module = imp.load_module(fullname, fo, fn, stuff) ImportError: /home/user/.local/lib/python2.7/site-packages/petsc/lib/libpetsc.so.3.06: undefined symbol: kspfgmresmodifypcksp_ Is there anything I can do about it? Thank you! Henrik -- Dipl.-Math. Henrik Büsing Applied Geophysics and Geothermal Energy E.ON Energy Research Center RWTH Aachen University ----------------------------------------------- Mathieustr. 10 | Tel +49 (0)241 80 49907 52074 Aachen, Germany | Fax +49 (0)241 80 49889 ----------------------------------------------- http://www.eonerc.rwth-aachen.de/GGE hbuesing@eonerc.rwth-aachen.de -----------------------------------------------