Hi Faith, I would suggest to try to install kwant via conda.
With: conda install -c conda-forge kwant Best, Bas On 27 Feb 2017, 11:55 +0100, Fatih Dogan <fatihdo...@gmail.com>, wrote: > Hello, > > I have installed the latest version of kwant on a CentOS system that I do not > have root access. So I installed it on my home directory. When I run the test > file, i get the following seg fault. > > python3 -c 'import kwant; kwant.test(verbose=2)' > /lib/python3.6/site-packages/kwant-unknown-py3.6-linux-x86_64.egg/kwant/solvers/default.py:18: > RuntimeWarning: MUMPS is not available, SciPy built-in solver will be used > as a fallback. Performance can be very poor in this case. > "Performance can be very poor in this case.", RuntimeWarning) > kwant.graph.tests.test_core.test_empty ... ok > kwant.graph.tests.test_core.test_num_nodes ... ok > .... > kwant.tests.test_lattice.test_neighbors ... ok > kwant.tests.test_lattice.test_shape ... ok > kwant.tests.test_lattice.test_wire ... ok > kwant.tests.test_lattice.test_translational_symmetry ... Segmentation fault > > Where I skipped a lot of lines, they were ok for most, skipped when related > to MUMPS. I am not that familiar with python or kwant to know what this error > means. Can someone help? > > Thanks > > Fatih
