[petsc-users] HYPRE AMS - Segmentation Violation with discrete gradient
Matthew Knepley
knepley at gmail.com
Mon Jan 24 15:42:45 CST 2022
Okay, I can run your example and get an error. I am looking at it. Not sure
if it is us or Hypre yet.
Thanks,
Matt
On Mon, Jan 24, 2022 at 12:39 PM Nicolas Alejandro Barnafi <
nicolas.barnafi at unimi.it> wrote:
> Please let me know if you were able to run the example (or anyone else).
> Thanks for the help.
> Kind regards
>
> Il 21/01/22 18:05, *"Nicolas Alejandro Barnafi" * <
> nicolas.barnafi at unimi.it> ha scritto:
>
> Thank you Matt, I have trimmed down ex10 (a lot) to do as required, and it
> indeed reproduces the error.
> You may find it attached and it can be reproduced with
> ./ex10 -fA Amat -fP Pmat -fG Gmat -ksp_type gmres -pc_type hypre
> -pc_hypre_type ams
>
> Thank you!
>
> Il 21/01/22 16:35, *Matthew Knepley * <knepley at gmail.com> ha scritto:
>
> On Fri, Jan 21, 2022 at 9:50 AM Nicolas Alejandro Barnafi <
> nicolas.barnafi at unimi.it> wrote:
>
>> Dear community,
>>
>> I'm giving the discrete gradient to a PC object (sub PC of a fieldsplit)
>> but HYPRE internally gives a segmentation violation error. The matrix has
>> been adequately set, as I have added it to the program output for
>> inspection. Has this happened to anyone?
>>
>
> Is there a chance of sending us something that we can run? Alternatively,
> can you run
>
> https://gitlab.com/petsc/petsc/-/blob/main/src/ksp/ksp/tutorials/ex10.c
>
> loading your matrix and giving options to select Hypre? Then we can do the
> same thing here with your matrix.
>
> Thanks,
>
> Matt
>
> I have attached the error below together with the discrete gradient, in
>> case you see something I am missing.
>>
>> The code is currently running in serial, so I don't expect
>> communication/partitioning to be an issue (although it could be in the
>> future).
>>
>> Thanks in advance,
>> Nicolas
>>
>>
>> ------------------------------ PETSc output
>> ------------------------------------
>>
>> Mat Object: 1 MPI processes
>> type: seqaij
>> -1.00000e+00 1.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00
>> 1.00000e+00 0.00000e+00 -1.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00
>> -1.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00 1.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 -1.00000e+00 0.00000e+00 1.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 1.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00
>> -1.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 1.00000e+00 -1.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 1.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 -1.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00 -1.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 1.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00 1.00000e+00
>> -1.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00 -1.00000e+00
>> 0.00000e+00 1.00000e+00 0.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00
>> 1.00000e+00 0.00000e+00 -1.00000e+00
>> 0.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00 0.00000e+00
>> 0.00000e+00 -1.00000e+00 1.00000e+00
>> [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
>> https://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 errors
>> [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] jac->setup line 408
>> /home/ubuntu/petsc/src/ksp/pc/impls/hypre/hypre.c
>> [0]PETSC ERROR: [0] PCSetUp_HYPRE line 223
>> /home/ubuntu/petsc/src/ksp/pc/impls/hypre/hypre.c
>> [0]PETSC ERROR: [0] PCSetUp line 971
>> /home/ubuntu/petsc/src/ksp/pc/interface/precon.c
>> [0]PETSC ERROR: [0] KSPSetUp line 319
>> /home/ubuntu/petsc/src/ksp/ksp/interface/itfunc.c
>> [0]PETSC ERROR: [0] KSPSolve_Private line 615
>> /home/ubuntu/petsc/src/ksp/ksp/interface/itfunc.c
>> [0]PETSC ERROR: [0] KSPSolve line 884
>> /home/ubuntu/petsc/src/ksp/ksp/interface/itfunc.c
>> [0]PETSC ERROR: [0] PCApply_FieldSplit line 1241
>> /home/ubuntu/petsc/src/ksp/pc/impls/fieldsplit/fieldsplit.c
>> [0]PETSC ERROR: [0] PCApply line 426
>> /home/ubuntu/petsc/src/ksp/pc/interface/precon.c
>> [0]PETSC ERROR: [0] KSP_PCApply line 281
>> /home/ubuntu/petsc/include/petsc/private/kspimpl.h
>> [0]PETSC ERROR: [0] KSPInitialResidual line 40
>> /home/ubuntu/petsc/src/ksp/ksp/interface/itres.c
>> [0]PETSC ERROR: [0] KSPSolve_GMRES line 233
>> /home/ubuntu/petsc/src/ksp/ksp/impls/gmres/gmres.c
>> [0]PETSC ERROR: [0] KSPSolve_Private line 615
>> /home/ubuntu/petsc/src/ksp/ksp/interface/itfunc.c
>> [0]PETSC ERROR: [0] KSPSolve line 884
>> /home/ubuntu/petsc/src/ksp/ksp/interface/itfunc.c
>> [0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [0]PETSC ERROR: Signal received
>> [0]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html
>> for trouble shooting.
>> [0]PETSC ERROR: Petsc Release Version 3.14.6, unknown
>> [0]PETSC ERROR: Unknown Name on a arch-linux-c-debug named
>> ubuntu-ThinkPad-L14-Gen-1 by ubuntu Fri Jan 21 15:37:45 2022
>> [0]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
>> --with-fc=gfortran --download-mpich --download-fblaslapack --with-mpi=1
>> --download-superlu_dist --download-mumps --download-hypre
>> --with-debugging=1 COPTFLAGS="-O3 -march=native -mtune=native"
>> CXXOPTFLAGS="-O3 -march=native -mtune=native" FOPTFLAGS="-O3 -march=native
>> -mtune=native" --download-scalapack --download-hpddm
>> [0]PETSC ERROR: #1 User provided function() line 0 in unknown file
>> [0]PETSC ERROR: Checking the memory for corruption.
>> application called MPI_Abort(MPI_COMM_WORLD, 50176059) - process 0
>> [unset]: write_line error; fd=-1 buf=:cmd=abort exitcode=50176059
>> :
>> system msg for write_line failure : Bad file descriptor
>>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>
>
--
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20220124/4b40a8a4/attachment-0001.html>
More information about the petsc-users
mailing list