[petsc-dev] Cannot reuse matrix of type (null)

[Stefano Zampini]

Actually, the matrix type has not yet been set (since you have "null" in
your output)

2016-12-16 16:43 GMT+03:00 Stefano Zampini <stefano.zampini at gmail.com>:

> Looking at lines 113-115 of master
>
>  if (reuse == MAT_REUSE_MATRIX) {
>     ierr = PetscObjectTypeCompare((PetscObject)*newmat,
> MATSEQDENSE,&isseqdense);CHKERRQ(ierr);
>     if (!isseqdense) SETERRQ1(PetscObjectComm((PetscObject)*newmat),PETSC_ERR_USER,"Cannot
> reuse matrix of type %s",((PetscObject)(*newmat))->type);
>   }
>
> you are trying to call MatConvert with the reuse flag on a matrix which is
> not of type SeqDense. Can you provide a MWE to reproduce the problem?
>
> Thanks,
> Stefano
>
> 2016-12-16 16:39 GMT+03:00 Eric Chamberland <Eric.Chamberland at giref.
> ulaval.ca>:
>
>> Another precision: the problem may still be there since dec 15, not
>> tonight...
>>
>> Eric
>>
>>
>>
>> On 16/12/16 08:30 AM, Eric Chamberland wrote:
>>
>>> Hi,
>>>
>>> something seems broken with master branch since last night.
>>>
>>> With our nighlty tests, we now have many times this PETSC ERROR:
>>>
>>> [0]PETSC ERROR: Cannot reuse matrix of type (null)
>>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>>> for trouble shooting.
>>> [0]PETSC ERROR: Petsc Development GIT revision: v3.7.4-2508-ga46e98f GIT
>>> Date: 2016-12-14 17:44:47 -0600
>>> [0]PETSC ERROR:
>>> /pmi/cmpbib/compilation_BIB_gcc_redhat_petsc-master_debug/CO
>>> MPILE_AUTO/BIB/bin/Test.BIBProblemeGD.dev
>>> on a arch-linux2-c-debug named compile by Unknown Fri Dec 16 03:06:00
>>> 2016
>>> [0]PETSC ERROR: Configure options --prefix=/opt/petsc-master_debug
>>> --with-mpi-compilers=1 --with-make-np=12 --with-shared-libraries=1
>>> --with-mpi-dir=/opt/openmpi-1.10.2 --with-debugging=yes
>>> --with-mkl_pardiso=1 --with-mkl_pardiso-dir=/opt/intel/composerxe/mkl
>>> --download-ml=yes --download-mumps=yes --download-superlu=yes
>>> --download-superlu_dist=yes --download-parmetis=yes
>>> --download-ptscotch=yes --download-metis=yes --download-suitesparse=yes
>>> --download-hypre=yes --with-scalapack=1
>>> --with-scalapack-include=/opt/intel/composerxe/mkl/include
>>> --with-scalapack-lib="-L/opt/intel/composerxe/mkl/lib/intel64
>>> -lmkl_scalapack_lp64 -lmkl_blacs_openmpi_lp64"
>>> --with-blas-lapack-dir=/opt/intel/composerxe/mkl/lib/intel64
>>> [0]PETSC ERROR: #1 MatConvert_SeqAIJ_SeqDense() line 115 in
>>> /pmi/cmpbib/compilation_BIB_gcc_redhat_petsc-master_debug/CO
>>> MPILE_AUTO/petsc-master-debug/src/mat/impls/dense/seq/dense.c
>>>
>>> [0]PETSC ERROR: #2 MatConvert() line 4136 in
>>> /pmi/cmpbib/compilation_BIB_gcc_redhat_petsc-master_debug/CO
>>> MPILE_AUTO/petsc-master-debug/src/mat/interface/matrix.c
>>>
>>>
>>>
>>> With all other PETSc versions we use, with the same tests, we do not
>>> have this problem.
>>>
>>> Here are the configure/build logs:
>>>
>>> http://www.giref.ulaval.ca/~cmpgiref/petsc-master-debug/2016
>>> .12.16.02h00m01s_configure.log
>>>
>>> http://www.giref.ulaval.ca/~cmpgiref/petsc-master-debug/2016
>>> .12.16.02h00m01s_make.log
>>>
>>> http://www.giref.ulaval.ca/~cmpgiref/petsc-master-debug/2016
>>> .12.16.02h00m01s_RDict.log
>>>
>>> http://www.giref.ulaval.ca/~cmpgiref/petsc-master-debug/2016
>>> .12.16.02h00m01s_CMakeLists.txt
>>>
>>>
>>> Is it a normal change or is it a bug?
>>>
>>> I can provide more context to help dig into this.
>>>
>>> Thanks,
>>>
>>> Eric
>>>
>>
>
>
> --
> Stefano
>



-- 
Stefano
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