<div dir="ltr"><div dir="ltr">On Fri, Jul 25, 2025 at 3:00 PM Blondel, Sophie via petsc-users <<a href="mailto:petsc-users@mcs.anl.gov">petsc-users@mcs.anl.gov</a>> wrote:</div><div class="gmail_quote gmail_quote_container"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg3355379064454320724">




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Hi,</div>
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<span style="color:rgb(0,0,0)">I am using PETSc version </span><span style="color:black">v3.23.4 for my code
<a href="https://urldefense.us/v3/__https://github.com/ORNL-Fusion/xolotl/blob/develop/xolotl/solver/src/PetscSolver.cpp__;!!G_uCfscf7eWS!dqsvk_x8eZNzest4mbTcVDQ6NcJLDJOQGX0QxmrWxJeM8s8Hi2altiu6F4EFTeZLDmw5F1rDvE-jHw3VgvjKx_kg$" target="_blank">
https://github.com/ORNL-Fusion/xolotl/blob/develop/xolotl/solver/src/PetscSolver.cpp</a> and I am getting a segfault in DMCreateMatrix, more specifically from gdb: </span></div>
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#0  0x0000000000000651 in ?? ()</div>
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#1  0x00007ffff58f0119 in DMCreateMatrix (dm=0x55555571bb90, mat=0x7fffffffc680)</div>
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    at /home/sophie/Workspace/xolotl-develop-source/external/petsc/src/dm/interface/dm.c:1519</div>
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#2  0x00007ffff7cafc9d in xolotl::solver::PetscSolver::initialize(int, double, _p_DM*, _p_Vec*) ()</div>
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   from /home/sophie/Workspace/xolotl-develop-build/xolotl/solver/libxolotlSolver.so</div>
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PETSc was built with:</div>
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./configure PETSC_DIR=/home/sophie/Workspace/xolotl-develop-source/external/petsc PETSC_ARCH=dbg --prefix=/home/sophie/Workspace/xolotl-develop-build/external/petsc_install --with-fc=0 --with-cuda=0 --with-mpi --with-openmp=0 --with-debugging=1 --with-shared-libraries
 --with-64-bit-indices --download-kokkos --download-kokkos-kernels --with-cudac=0</div>
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Let me know what additional information I can provide to resolve the issue.</div></div></div></blockquote><div><br></div><div>This was fixed here: <a href="https://urldefense.us/v3/__https://gitlab.com/petsc/petsc/-/commit/4758e3ce3f4cc9adc2a49a02e2f05c2a0f943969__;!!G_uCfscf7eWS!ZP6ogmTTYFdFBmqAralMBdfthDbAfo3gRRaJxI4kJX0cKTmrR9rkgiYJQs6MvFSUs1NWo4VjX1oVeHqfyjIi$">https://gitlab.com/petsc/petsc/-/commit/4758e3ce3f4cc9adc2a49a02e2f05c2a0f943969</a></div><div>so it will make it to the point release Sept 28, or it is in main.</div><div><br></div><div>  Thanks,</div><div><br></div><div>     Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg3355379064454320724"><div dir="ltr">
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Best,</div>
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Sophie</div>
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</div></blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div><div><br></div><div><a href="https://urldefense.us/v3/__http://www.cse.buffalo.edu/*knepley/__;fg!!G_uCfscf7eWS!ZP6ogmTTYFdFBmqAralMBdfthDbAfo3gRRaJxI4kJX0cKTmrR9rkgiYJQs6MvFSUs1NWo4VjX1oVeA4tDHTl$" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>