[petsc-dev] PetscSF in Fortran

Smith, Barry F. bsmith at mcs.anl.gov
Tue Oct 31 09:02:48 CDT 2017


  Adrian,

    I fixed some bugs but apparently broke something at the same time. At a meeting now, maybe you could use -start_in_debugger and get the traceback where it crashes for you?

  Barry


> On Oct 30, 2017, at 5:21 PM, Adrian Croucher <a.croucher at auckland.ac.nz> wrote:
> 
> hi,
> 
> I just pulled the latest next branch and found that the PetscSF stuff doesn't appear to work in Fortran anymore for me.
> 
> When I run the ex1f example it gives:
> 
> [0]PETSC ERROR: ------------------------------------------------------------------------
> [0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation, probably memory access out of range
> [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger
> [0]PETSC ERROR: or see http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind
> [0]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS X to find memory corruption erro
> rs
> [0]PETSC ERROR: likely location of problem given in stack below
> [0]PETSC ERROR: ---------------------  Stack Frames ------------------------------------
> [0]PETSC ERROR: Note: The EXACT line numbers in the stack are not available,
> [0]PETSC ERROR:       INSTEAD the line number of the start of the function
> [0]PETSC ERROR:       is given.
> [0]PETSC ERROR: [0] PetscSFBcastBegin_Basic line 922 /home/acro018/software/PETSc/code/src/vec/is/sf/impl
> s/basic/sfbasic.c
> [0]PETSC ERROR: [0] PetscSFBcastBegin line 972 /home/acro018/software/PETSc/code/src/vec/is/sf/interface/
> sf.c
> [0]PETSC ERROR: --------------------- Error Message -----------------------------------------------------
> 
> And the same thing happens with my own code.
> 
> Should this example still work? Or is there something else I need to do?
> 
> I did make allfortranstubs and make.
> 
> - Adrian
> 
> -- 
> Dr Adrian Croucher
> Senior Research Fellow
> Department of Engineering Science
> University of Auckland, New Zealand
> email: a.croucher at auckland.ac.nz
> tel: +64 (0)9 923 4611
> 



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