Hello everyone,
when compiling step-40 in optimized mode, I got the following Petsc error,
which doesn't show up in debug mode. I'm curious what causes it. Does
anyone have some experience about this. Any hint would be appreciated.
Thank you.
Best regards,
Xin
**********************************************************************************************************
Cycle 0:
Number of active cells: 1024
Number of degrees of freedom: 4225
[0]PETSC ERROR: --------------------- Error Message
------------------------------------
[0]PETSC ERROR: Null argument, when expecting valid pointer!
[0]PETSC ERROR: Null Object: Parameter # 2!
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: Petsc Release Version 3.1.0, Patch 8, Thu Mar 17 13:37:48
CDT 2011
[0]PETSC ERROR: See docs/changes/index.html for recent updates.
[0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
[0]PETSC ERROR: See docs/index.html for manual pages.
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: ./step-40 on a linux-gnu named *.*.*.edu by *** Mon Dec 12
16:47:37 2011
[0]PETSC ERROR: Libraries linked from ~/package/petsc-3.1-p8/linux-gnu/lib
[0]PETSC ERROR: Configure run at Thu Oct 13 13:57:22 2011
[0]PETSC ERROR: Configure options
--with-blas-lapack-dir=~/local/lapack-3.3.1/ --with-shared --with-hypre=1
--with-hypre-dir=~/package/petsc-3.1-p8/linux-gnu/
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: KSPSetPC() line 1215 in src/ksp/ksp/interface/itfunc.c
----------------------------------------------------
Exception on processing:
--------------------------------------------------------
An error occurred in line <100> of file
<~/package/deal.II/source/lac/petsc_solver.cc> in function
void dealii::PETScWrappers::SolverBase::solve(const
dealii::PETScWrappers::MatrixBase&, dealii::PETScWrappers::VectorBase&,
const dealii::PETScWrappers::VectorBase&, const
dealii::PETScWrappers::PreconditionerBase&)
The violated condition was:
ierr == 0
The name and call sequence of the exception was:
ExcPETScError(ierr)
Additional Information:
An error with error number 85 occured while calling a PETSc function
--------------------------------------------------------
Aborting!
----------------------------------------------------
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