Sometimes “many times” can be 15-20 or even more, and it could take a few minutes. I thought it would be better to report it just in case it can be fixed.

On 14 Aug 2017, at 10:23, Miklós Homolya <m.homolya14@imperial.ac.uk> wrote:

Just pressing Ctrl+C many times, that will terminate the process eventually...

On 14/08/17 09:59, Anna Kalogirou wrote:

Dear all,

This is a bit of a silly comment, but I have noticed that since the upgrade to python3 I can’t terminate a simulation with ctrl+c.

I get the following on the screen and the simulation continues to run:

^CTraceback (most recent call last):

  File "libpetsc4py/libpetsc4py.pyx", line 858, in libpetsc4py.MatMult_Python

  File "/Users/dkc16gyu/firedrake/src/PyOP2/pyop2/petsc_base.py", line 1008, in mult

    x.comm.tompi4py().bcast(a)

  File "PETSc/Comm.pyx", line 105, in petsc4py.PETSc.Comm.tompi4py

  File "PETSc/petscmpi.pxi", line 50, in petsc4py.PETSc.mpi4py_Comm_New

  File "<frozen importlib._bootstrap>", line 961, in _find_and_load

  File "<frozen importlib._bootstrap>", line 946, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 885, in _find_spec

  File "<frozen importlib._bootstrap_external>", line 1157, in find_spec

  File "<frozen importlib._bootstrap_external>", line 1129, in _get_spec

  File "<frozen importlib._bootstrap_external>", line 1268, in find_spec

  File "<frozen importlib._bootstrap_external>", line 59, in _path_join

KeyboardInterrupt

The above exception was the direct cause of the following exception:

SystemError: <built-in method insert of list object at 0x108236708> returned a result with an error set

Exception ignored in: 'petsc4py.PETSc.traceback'

SystemError: <built-in method insert of list object at 0x108236708> returned a result with an error set

Best wishes,

Anna.

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