Hi,
I have installed dolfin from source and I get a segfault when running the
demo-navier-stokes.py in the demo directory.
Apparently the culprit is loading the xml mesh, i.e. at the line where
mesh = Mesh("../lshape.xml.gz")
is called.
The full error message is
[arcturus:32758] *** Process received signal ***[arcturus:32758]
Signal: Segmentation fault (11)[arcturus:32758] Signal code: Address
not mapped (1)[arcturus:32758] Failing at address: 0xa[arcturus:32758]
[ 0] /usr/lib/libc.so.6(+0x33df0)[0x7f6ae8448df0][arcturus:32758] [ 1]
/usr/lib/libc.so.6(_IO_vfprintf+0x2279)[0x7f6ae845c499][arcturus:32758]
[ 2] /usr/lib/libc.so.6(__vasprintf_chk+0xb5)[0x7f6ae850e875][arcturus:32758]
[ 3] /usr/lib/libc.so.6(__asprintf_chk+0x82)[0x7f6ae850e7b2][arcturus:32758]
[ 4]
/usr/lib64/openmpi/libmpi.so.1(ompi_mpi_init+0x2e2)[0x7f6acfa09b82][arcturus:32758]
[ 5]
/usr/lib64/openmpi/libmpi.so.1(MPI_Init_thread+0xe0)[0x7f6acfa2fc80][arcturus:32758]
[ 6]
/usr/local/lib/libdolfin.so.1.4(_ZN6dolfin17SubSystemsManager8init_mpiEiPPci+0x88)[0x7f6adfdcbf28][arcturus:32758]
[ 7]
/usr/local/lib/libdolfin.so.1.4(_ZN6dolfin17SubSystemsManager8init_mpiEv+0x31)[0x7f6adfdcc181][arcturus:32758]
[ 8]
/usr/local/lib/libdolfin.so.1.4(_ZN6dolfin3MPI4sizeEP19ompi_communicator_t+0xd)[0x7f6adfdcb62d][arcturus:32758]
[ 9]
/usr/local/lib/libdolfin.so.1.4(_ZN6dolfin7XMLFilersERNS_4MeshE+0x34)[0x7f6adffad854][arcturus:32758]
[10]
/usr/local/lib/libdolfin.so.1.4(_ZN6dolfin4MeshC1ESs+0x23f)[0x7f6adfe051cf][arcturus:32758]
[11]
/usr/lib/python2.7/site-packages/dolfin/cpp/_mesh.so(+0xf5c5a)[0x7f6abc9c1c5a][arcturus:32758]
[12]
/usr/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x5d0b)[0x7f6ae8abf72b][arcturus:32758]
[13]
/usr/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x830)[0x7f6ae8ac03c0][arcturus:32758]
[14] /usr/lib/libpython2.7.so.1.0(+0x6e06d)[0x7f6ae8a4f06d][arcturus:32758]
[15]
/usr/lib/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7f6ae8a2b4c3][arcturus:32758]
[16] /usr/lib/libpython2.7.so.1.0(+0x58a9d)[0x7f6ae8a39a9d][arcturus:32758]
[17]
/usr/lib/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7f6ae8a2b4c3][arcturus:32758]
[18]
/usr/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x2efd)[0x7f6ae8abc91d][arcturus:32758]
[19]
/usr/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x830)[0x7f6ae8ac03c0][arcturus:32758]
[20] /usr/lib/libpython2.7.so.1.0(+0x6df9c)[0x7f6ae8a4ef9c][arcturus:32758]
[21]
/usr/lib/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7f6ae8a2b4c3][arcturus:32758]
[22] /usr/lib/libpython2.7.so.1.0(+0x58a9d)[0x7f6ae8a39a9d][arcturus:32758]
[23]
/usr/lib/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7f6ae8a2b4c3][arcturus:32758]
[24] /usr/lib/libpython2.7.so.1.0(+0x9e2d7)[0x7f6ae8a7f2d7][arcturus:32758]
[25] /usr/lib/libpython2.7.so.1.0(+0x9d05f)[0x7f6ae8a7e05f][arcturus:32758]
[26]
/usr/lib/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7f6ae8a2b4c3][arcturus:32758]
[27]
/usr/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x3a5d)[0x7f6ae8abd47d][arcturus:32758]
[28]
/usr/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x830)[0x7f6ae8ac03c0][arcturus:32758]
[29]
/usr/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x19)[0x7f6ae8ac04b9][arcturus:32758]
*** End of error message ***
Any help is appreciated,
Davide
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