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</style><div class="default-font-1735286218068" dir="ltr"><p><span style="text-wrap-mode:nowrap;">Dear Developer:</span></p><p><span style="text-wrap-mode:nowrap;">    I am a PETSc user and I have the following error when calculating 1 million grids using PETSc in my windows computer. It came up after calculating it for a while,</span></p><p><span style="text-wrap-mode:nowrap;"><span style="text-wrap-mode:nowrap;">and before it could calculate many time steps.</span></span><span style="text-wrap-mode:nowrap;">I wanted to know what caused it. The following is the error message:</span><span style="text-wrap-mode:nowrap;"> </span><span style="text-wrap-mode:nowrap;"> </span></p><p>[1]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</p><p>[1]PETSC ERROR: MatSeqAIJSetPreallocation_SeqAIJ</p><p>[1]PETSC ERROR: See <a href="https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!Yvk0IyBSNujv074PP5zehMZgi-UMJ2Gdw8YLIpjym2HIIXPdlZgEriAuhW47O-G879gHiHUPPkFysUrShi1LkTl9ZYck$">https://petsc.org/release/faq/</a> for trouble shooting.</p><p>[1]PETSC ERROR: Petsc Release Version 3.18.6, unknown</p><p>[1]PETSC ERROR: Unknown Name on a arch-mswin-c-opt named DESKTOP-B75P775 by Administrator Wed Dec 25 15:56:22 2024</p><p>[1]PETSC ERROR: Configure options --with-cc="win32fe cl" --with-cxx="win32fe cl" --with-fc=0 --with-debugging=0 --with-shared-libraries=0 --with-x=0 --with-quad-precision=0 --with-blaslapack-include=/cygdrive/c/PROGRA~2/Intel/oneAPI/mkl/latest/include --with-blaslapack-lib="-L/cygdrive/c/PROGRA~2/Intel/oneAPI/mkl/latest/lib/intel64 -L/cygdrive/c/PROGRA~2/Intel/oneAPI/compiler/latest/windows/compiler/lib/intel64_win mkl_core.lib mkl_intel_thread.lib</p><p>mkl_intel_lp64.lib libiomp5md.lib" --with-mpi-include=/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/include --with-mpi-lib="-L/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/lib/release impi.lib" --with-mpiexec=/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/bin/mpiexec --with-metis-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-metis/install/include --with-metis-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-metis/install/lib metis.lib" --with-parmetis-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-parmetis/install/include --with-parmetis-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-parmetis/install/lib parmetis.lib" --with-hdf5-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-hdf5/install/include --with-hdf5-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-hdf5/install/lib libhdf5.lib" --ignore-cygwin-link</p><p>[5]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</p><p>[5]PETSC ERROR: MatSeqAIJSetPreallocation_SeqAIJ</p><p>[5]PETSC ERROR: See <a href="https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!Yvk0IyBSNujv074PP5zehMZgi-UMJ2Gdw8YLIpjym2HIIXPdlZgEriAuhW47O-G879gHiHUPPkFysUrShi1LkTl9ZYck$">https://petsc.org/release/faq/</a> for trouble shooting.</p><p>[5]PETSC ERROR: Petsc Release Version 3.18.6, unknown</p><p>[5]PETSC ERROR: Unknown Name on a arch-mswin-c-opt named DESKTOP-B75P775 by Administrator Wed Dec 25 15:56:22 2024</p><p>[5]PETSC ERROR: Configure options --with-cc="win32fe cl" --with-cxx="win32fe cl" --with-fc=0 --with-debugging=0 --with-shared-libraries=0 --with-x=0 --with-quad-precision=0 --with-blaslapack-include=/cygdrive/c/PROGRA~2/Intel/oneAPI/mkl/latest/include --with-blaslapack-lib="-L/cygdrive/c/PROGRA~2/Intel/oneAPI/mkl/latest/lib/intel64 -L/cygdrive/c/PROGRA~2/Intel/oneAPI/compiler/latest/windows/compiler/lib/intel64_win mkl_core.lib mkl_intel_thread.lib</p><p>mkl_intel_lp64.lib libiomp5md.lib" --with-mpi-include=/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/include --with-mpi-lib="-L/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/lib/release impi.lib" --with-mpiexec=/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/bin/mpiexec --with-metis-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-metis/install/include --with-metis-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-metis/install/lib metis.lib" --with-parmetis-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-parmetis/install/include --with-parmetis-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-parmetis/install/lib parmetis.lib" --with-hdf5-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-hdf5/install/include --with-hdf5-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-hdf5/install/lib libhdf5.lib" --ignore-cygwin-link</p><p>[4]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</p><p>[4]PETSC ERROR: MatSeqAIJSetPreallocation_SeqAIJ</p><p>[4]PETSC ERROR: See <a href="https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!Yvk0IyBSNujv074PP5zehMZgi-UMJ2Gdw8YLIpjym2HIIXPdlZgEriAuhW47O-G879gHiHUPPkFysUrShi1LkTl9ZYck$">https://petsc.org/release/faq/</a> for trouble shooting.</p><p>[4]PETSC ERROR: Petsc Release Version 3.18.6, unknown</p><p>[4]PETSC ERROR: Unknown Name on a arch-mswin-c-opt named DESKTOP-B75P775 by Administrator Wed Dec 25 15:56:22 2024</p><p>[4]PETSC ERROR: Configure options --with-cc="win32fe cl" --with-cxx="win32fe cl" --with-fc=0 --with-debugging=0 --with-shared-libraries=0 --with-x=0 --with-quad-precision=0 --with-blaslapack-include=/cygdrive/c/PROGRA~2/Intel/oneAPI/mkl/latest/include --with-blaslapack-lib="-L/cygdrive/c/PROGRA~2/Intel/oneAPI/mkl/latest/lib/intel64 -L/cygdrive/c/PROGRA~2/Intel/oneAPI/compiler/latest/windows/compiler/lib/intel64_win mkl_core.lib mkl_intel_thread.lib</p><p>mkl_intel_lp64.lib libiomp5md.lib" --with-mpi-include=/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/include --with-mpi-lib="-L/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/lib/release impi.lib" --with-mpiexec=/cygdrive/c/PROGRA~2/Intel/oneAPI/mpi/latest/bin/mpiexec --with-metis-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-metis/install/include --with-metis-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-metis/install/lib metis.lib" --with-parmetis-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-parmetis/install/include --with-parmetis-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-parmetis/install/lib parmetis.lib" --with-hdf5-include=/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-hdf5/install/include --with-hdf5-lib="-L/cygdrive/d/PETSc/petsc-v3.18.6-pkgconfig//packages/pkg-hdf5/install/lib libhdf5.lib" --ignore-cygwin-link</p><p>[1]PETSC ERROR: #1 PetscMallocAlign() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\sys\memory\mal.c:68</p><p>[1]PETSC ERROR: #2 PetscMallocA() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\sys\memory\mal.c:410</p><p>[1]PETSC ERROR: #3 MatSeqAIJSetPreallocation_SeqAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\seq\aij.c:4008</p><p>[1]PETSC ERROR: #4 MatCreateSubMatrix_SeqAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\seq\aij.c:2588</p><p>[1]PETSC ERROR: #5 MatCreateSubMatrix_MPIAIJ_SameRowColDist() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\mpi\mpiaij.c:3283</p><p>[1]PETSC ERROR: #6 MatCreateSubMatrix_MPIAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\mpi\mpiaij.c:3390</p><p>[1]PETSC ERROR: #7 MatCreateSubMatrix() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\interface\matrix.c:8382</p><p>[1]PETSC ERROR: #8 SNESSolve_VINEWTONRSLS() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\snes\impls\vi\rs\virs.c:392</p><p>[1]PETSC ERROR: [5]PETSC ERROR: #1 PetscMallocAlign() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\sys\memory\mal.c:68</p><p>[5]PETSC ERROR: #2 PetscMallocA() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\sys\memory\mal.c:410</p><p>[5]PETSC ERROR: #3 MatSeqAIJSetPreallocation_SeqAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\seq\aij.c:4008</p><p>[5]PETSC ERROR: #4 MatCreateSubMatrix_SeqAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\seq\aij.c:2588</p><p>[5]PETSC ERROR: #5 MatCreateSubMatrix_MPIAIJ_SameRowColDist() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\mpi\mpiaij.c:3283</p><p>[5]PETSC ERROR: #6 MatCreateSubMatrix_MPIAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\mpi\mpiaij.c:3390</p><p>[5]PETSC ERROR: #7 MatCreateSubMatrix() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\interface\matrix.c:8382</p><p>[5]PETSC ERROR: #8 SNESSolve_VINEWTONRSLS() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\snes\impls\vi\rs\virs.c:392</p><p>[5]PETSC ERROR: [4]PETSC ERROR: #1 PetscMallocAlign() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\sys\memory\mal.c:68</p><p>[4]PETSC ERROR: #2 PetscMallocA() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\sys\memory\mal.c:410</p><p>[4]PETSC ERROR: #3 MatSeqAIJSetPreallocation_SeqAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\seq\aij.c:4008</p><p>[4]PETSC ERROR: #4 MatCreateSubMatrix_SeqAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\seq\aij.c:2588</p><p>[4]PETSC ERROR: #5 MatCreateSubMatrix_MPIAIJ_SameRowColDist() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\mpi\mpiaij.c:3283</p><p>[4]PETSC ERROR: #6 MatCreateSubMatrix_MPIAIJ() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\impls\aij\mpi\mpiaij.c:3390</p><p>#9 SNESSolve() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\snes\interface\snes.c:4692</p><p>[4]PETSC ERROR: #7 MatCreateSubMatrix() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\mat\interface\matrix.c:8382</p><p>[4]PETSC ERROR: #8 SNESSolve_VINEWTONRSLS() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\snes\impls\vi\rs\virs.c:392</p><p>[4]PETSC ERROR: #9 SNESSolve() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\snes\interface\snes.c:4692</p><p>#9 SNESSolve() at D:\PETSc\petsc-v3.18.6-pkgconfig\src\snes\interface\snes.c:4692</p><p><br></p></div>