[firedrake] Crash in projection on ARCHER

[Eike Mueller]

Dear firedrakers,

I just updated all modules on ARCHER and tried to run my code there. 
However, I get the error below.

Thanks,

Eike

Traceback (most recent call last):
   File 
"/work/n02/n02/eike//git_workspace/firedrake-helmholtzsolver/source/driver.py", 
line 619, in <module>
     main(parameter_filename)
   File 
"/work/n02/n02/eike//git_workspace/firedrake-helmholtzsolver/source/driver.py", 
line 585, in main
     expression)
   File 
"/work/n02/n02/eike//git_workspace/firedrake-helmholtzsolver/source/driver.py", 
line 400, in solve_matrixfree
     r_p.project(expression)
   File 
"/work/n02/n02/eike/git_workspace/firedrake/firedrake/function.py", line 
146, in project
     return projection.project(b, self, *args, **kwargs)
   File 
"/work/n02/n02/eike/git_workspace/firedrake/firedrake/projection.py", 
line 94, in project
     form_compiler_parameters=form_compiler_parameters)
   File 
"/work/n02/n02/eike/git_workspace/firedrake/firedrake/solving.py", line 
119, in solve
     _solve_varproblem(*args, **kwargs)
   File 
"/work/n02/n02/eike/git_workspace/firedrake/firedrake/solving.py", line 
144, in _solve_varproblem
     solver.solve()
   File "<string>", line 2, in solve
   File "/work/n02/n02/eike/git_workspace/PyOP2/pyop2/profiling.py", 
line 197, in wrapper
     return f(*args, **kwargs)
   File 
"/work/n02/n02/eike/git_workspace/firedrake/firedrake/variational_solver.py", 
line 153, in solve
     self.snes.solve(None, v)
   File "SNES.pyx", line 516, in petsc4py.PETSc.SNES.solve 
(src/petsc4py.PETSc.c:158929)
   File "petscsnes.pxi", line 251, in petsc4py.PETSc.SNES_Function 
(src/petsc4py.PETSc.c:30207)
   File 
"/work/n02/n02/eike/git_workspace/firedrake/firedrake/solving_utils.py", 
line 170, in form_function
     with ctx._xs[lvl].dat.vec as v:
IndexError: tuple index out of range