[petsc-users] Possible Bug ?

[Sajid Ali]

Apologies for the post. I didn't see that it was for complex vectors only.

On Mon, Apr 22, 2019 at 5:00 PM Sajid Ali <sajidsyed2021 at u.northwestern.edu>
wrote:

> Hi,
>
> I see that src/mat/examples/tests/ex112.c is failing for petsc at 3.11.1
> configured without complex scalars. With complex scalars everything works
> fine.
>
> The error I see is :
> ```
> [sajid at xrmlite bugfix]$
> ./ex112
>
> No protocol
> specified
>
>
>
>  1-D: FFTW on vector of size
> 10
>
>   Error norm of |x - z|
> 5.37156
>
>   Error norm of |x - z|
> 5.90871
>
>   Error norm of |x - z|
> 5.96243
>
> [0]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------
>
> [0]PETSC ERROR: Nonconforming object
> sizes
>
> [0]PETSC ERROR: Mat mat,Vec x: global dim 20
> 10
>
> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
> for trouble shooting.
> [0]PETSC ERROR: Petsc Release Version 3.11.1, Apr, 12,
> 2019
>
> [0]PETSC ERROR: ./ex112 on a  named xrmlite.phys.northwestern.edu by
> sajid Mon Apr 22 16:58:41
> 2019
> [0]PETSC ERROR: Configure options
> --prefix=/home/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0/petsc-3.11.1-5bdbcozu3labtbbi7gtq4xa
> knay24lo6 --with-ssl=0 --download-c2html=0 --download-sowing=0
> --download-hwloc=0 CFLAGS="-O2 -march=native" FFLAGS="-O2 -march=native"
> CXXFLAGS="-
> O2 -march=native"
> --with-cc=/home/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0/mpich-3.3-ig4cr2xw2x63bqs5rnmhfshln4iv7av5/bin/mpic
> c
> --with-cxx=/home/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0/mpich-3.3-ig4cr2xw2x63bqs5rnmhfshln4iv7av5/bin/mpic++
> --with-fc=/h
> ome/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0/mpich-3.3-ig4cr2xw2x63bqs5rnmhfshln4iv7av5/bin/mpif90
> --with-precision=double --w
> ith-scalar-type=real --with-shared-libraries=1 --with-debugging=1
> --with-64-bit-indices=0
> --with-blaslapack-lib="/home/sajid/packages/spack/opt/spa
>
> ck/linux-centos7-x86_64/gcc-8.3.0/intel-mkl-2019.3.199-kzcly5rtcjbkwtnm6tri6kkexnwoat5m/compilers_and_libraries_2019.3.199/linux/mkl/lib/intel64/li
> bmkl_intel_lp64.so
> /home/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0/intel-mkl-2019.3.199-kzcly5rtcjbkwtnm6tri6kkexnwoat5m/compil
> ers_and_libraries_2019.3.199/linux/mkl/lib/intel64/libmkl_sequential.so
> /home/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0/intel-m
> kl-2019.3.199-kzcly5rtcjbkwtnm6tri6kkexnwoat5m/compilers_and_libraries_2019.3.199/linux/mkl/lib/intel64/libmkl_core.so
> /lib64/libpthread.so /lib64/
> libm.so /lib64/libdl.so" --with-x=0 --with-clanguage=C --with-scalapack=0
> --with-metis=0 --with-hdf5=0 --with-hypre=0 --with-parmetis=0 --with-mump
> s=0 --with-trilinos=0 --with-fftw=1
> --with-fftw-dir=/home/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0/fftw-3.3.8-mkj4ho2jp6xfrnkl
> mrvhdfh73woer2s7 --with-superlu_dist=0 --with-suitesparse=0
> --with-zlib-include=/home/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0
> /zlib-1.2.11-jqrcjdjnrxvouufhjtxbfvfms23fsqpx/include
> --with-zlib-lib="-L/home/sajid/packages/spack/opt/spack/linux-centos7-x86_64/gcc-8.3.0/zlib-1
> .2.11-jqrcjdjnrxvouufhjtxbfvfms23fsqpx/lib -lz"
> --with-zlib=1
>
> [0]PETSC ERROR: #1 MatMult() line 2385 in
> /tmp/sajid/spack-stage/spack-stage-mTD0AV/petsc-3.11.1/src/mat/interface/matrix.c
>
> [0]PETSC ERROR: #2 main() line 94 in
> /home/sajid/packages/aux_xwp_petsc/bugfix/ex112.c
>
> [0]PETSC ERROR: No PETSc Option Table
> entries
>
> [0]PETSC ERROR: ----------------End of Error Message -------send entire
> error message to petsc-maint at mcs.anl.gov----------
>
> application called MPI_Abort(MPI_COMM_WORLD, 60) - process
> 0
>
> [unset]: write_line error; fd=-1 buf=:cmd=abort
> exitcode=60
>
> :
>
> system msg for write_line failure : Bad file
> descriptor
>
>
> ```
>
> I came across this because I saw that MatMult was failing for a new test
> related to a PR I was working on. Is this a bug ?
>
> Thank You,
> Sajid Ali
> Applied Physics
> Northwestern University
>


-- 
Sajid Ali
Applied Physics
Northwestern University
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