[petsc-users] MatMFFDSetBase

[Gaetan Kenway]

Seems like the MatMFFDSetBase is now broken in petsc 3.9

In 3.7 I used:

call MatMFFDSetBase(dRdW, wVec, PETSC_NULL_OBJECT, ierr)

and the most logical translation is now

call MatMFFDSetBase(dRdW, wVec, PETSC_NULL_VEC, ierr)

Unfortunately this just segfaults:
#0  VecAXPY (y=y at entry=0x10a3750, alpha=alpha at entry=-1,
x=x at entry=0xffffffffffffffff)
at
/nobackup/gkenway/packages/petsc-3.9.2/src/vec/vec/interface/rvector.c:601
#1  0x00007fffb697faae in MatMult_MFFD (mat=0x291a150, a=0x10b25c0,
y=0x10a3750) at
/nobackup/gkenway/packages/petsc-3.9.2/src/mat/impls/mffd/mffd.c:368
#2  0x00007fffb6847af2 in MatMult (mat=0x291a150, x=x at entry=0x10b25c0,
y=y at entry=0x10a3750) at
/nobackup/gkenway/packages/petsc-3.9.2/src/mat/interface/matrix.c:2305
#3  0x00007fffb6e982e7 in PCApplyBAorAB (pc=0xe64d00, side=PC_RIGHT,
x=0x10aaee0, y=y at entry=0x10a3750, work=0x10b25c0) at
/nobackup/gkenway/packages/petsc-3.9.2/src/ksp/pc/interface/precon.c:680
#4  0x00007fffb6f02b84 in KSP_PCApplyBAorAB (w=<optimized out>,
y=0x10a3750, x=<optimized out>, ksp=0xf135e0) at
/u/wk/gkenway/scratch/packages/petsc-3.9.2/include/petsc/private/kspimpl.h:304
#5  KSPGMRESCycle (itcount=itcount at entry=0x7fffffffb73c,
ksp=ksp at entry=0xf135e0)
at
/nobackup/gkenway/packages/petsc-3.9.2/src/ksp/ksp/impls/gmres/gmres.c:152
#6  0x00007fffb6f035c2 in KSPSolve_GMRES (ksp=0xf135e0) at
/nobackup/gkenway/packages/petsc-3.9.2/src/ksp/ksp/impls/gmres/gmres.c:234
#7  0x00007fffb6f35050 in KSPSolve (ksp=0xf135e0, b=0xf7ced0, x=0xf77be0)
at /nobackup/gkenway/packages/petsc-3.9.2/src/ksp/ksp/interface/itfunc.c:669
#8  0x00007fffb6f482ee in kspsolve_ (ksp=ksp at entry=0x7fffb461bae8
<__anksolver_MOD_ank_ksp>, b=<optimized out>, b at entry=0x7fffb461b9c8
<__anksolver_MOD_rvec>, x=<optimized out>,
    x at entry=0x7fffb461ba18 <__anksolver_MOD_deltaw>,
ierr=ierr at entry=0x7fffffffb938)
at
/nobackup/gkenway/packages/petsc-3.9.2/src/ksp/ksp/interface/ftn-custom/zitfuncf.c:54
#9  0x00007fffb3d7e697 in anksolver::ankstep (firstcall=<optimized out>) at
../NKSolver/NKSolvers.F90:2891
#10 0x00007fffb3ebbbb9 in solvers::solvestate () at
../solver/solvers.F90:1114
#11 0x00007fffb3ebe285 in solvers::solver () at ../solver/solvers.F90:69
#12 0x00007fffb3cfca17 in f2py_rout_libadflow_solvers_solver
(capi_self=<optimized out>, capi_args=<optimized out>,
capi_keywds=<optimized out>, f2py_func=0x7fffb3ebe0e0 <solvers::solver>)
    at libadflowmodule.c:6710
#13 0x00007fffb3cf85b3 in fortran_call (fp=<optimized out>, arg=<optimized
out>, kw=<optimized out>) at
/u/wk/gkenway/.local/lib/python2.7/site-packages/numpy/f2py/src/fortranobject.c:404
#14 0x00007ffff7a5aa63 in PyObject_Call () from /lib64/libpython2.7.so.1.0
#15 0x00007ffff7aef236 in PyEval_EvalFrameEx () from
/lib64/libpython2.7.so.1.0
#16 0x00007ffff7af603d in PyEval_EvalCodeEx () from
/lib64/libpython2.7.so.1.0
#17 0x00007ffff7a7f978 in function_call () from /lib64/libpython2.7.so.1.0
#18 0x00007ffff7a5aa63 in PyObject_Call () from /lib64/libpython2.7.so.1.0
#19 0x00007ffff7a69a55 in instancemethod_call () from
/lib64/libpython2.7.so.1.0
#20 0x00007ffff7a5aa63 in PyObject_Call () from /lib64/libpython2.7.so.1.0
#21 0x00007ffff7ab1e27 in slot_tp_call () from /lib64/libpython2.7.so.1.0
#22 0x00007ffff7a5aa63 in PyObject_Call () from /lib64/libpython2.7.so.1.0
#23 0x00007ffff7aef236 in PyEval_EvalFrameEx () from
/lib64/libpython2.7.so.1.0
#24 0x00007ffff7af603d in PyEval_EvalCodeEx () from
/lib64/libpython2.7.so.1.0
#25 0x00007ffff7af6142 in PyEval_EvalCode () from /lib64/libpython2.7.so.1.0
#26 0x00007ffff7b0f57f in run_mod () from /lib64/libpython2.7.so.1.0
#27 0x00007ffff7b1073e in PyRun_FileExFlags () from
/lib64/libpython2.7.so.1.0
#28 0x00007ffff7b119c9 in PyRun_SimpleFileExFlags () from
/lib64/libpython2.7.so.1.0
#29 0x00007ffff7b22b7f in Py_Main () from /lib64/libpython2.7.so.1.0
#30 0x00007ffff6d3f3d5 in __libc_start_main () from /lib64/libc.so.6
#31 0x000000000040066e in _start ()

Thanks,

Gaetan
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