The problem seems to be a bug in gcc or gdb, because it happens with
gcc-6.3.1/gdb-7.12.1 and no longer occurs in gcc-8.2./gdb-8.1.1. And it
seems to only be related to gdb since when the program runs without gdb,
the results of the simulation are identical to that which results from the
Dear DuMuX experts,
While working on a modification of the
dumux-course/exercises/exercise-fractures test case I observed that the linear
solver crashes if the mesh is too fine. This results in cutting the Newton's
time step, which in my case however does not help either..
This behavior is
