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<p style="direction: ltr; line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">From my searching of the documentation, it looks to me as though this combination should
work.</span></p>
<p style="direction: ltr; line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">However for my modified version of the ex66.c tutorial code, I get the error message below.</span></p>
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<p style="direction: ltr; line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Is this really not yet supported?</span></p>
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<p style="direction: ltr; line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px;">Regards</span></p>
<p style="direction: ltr; line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px;"><br>
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<p style="direction: ltr; line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">Peter MacNeice</span></p>
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<p style="direction: ltr; line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0); background-color: rgb(29, 226, 223);">[</span><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">0</span><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0); background-color: rgb(29, 226, 223);">]</span><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">PETSC
ERROR: --------------------- Error Message --------------------------------------------------------------</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: No support for this operation for this object type</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: Mirror boundary and box stencil</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: WARNING! There are unused option(s) set! Could be the program crashed before usage or a spelling mistake, etc!</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: Option left: name:-dm_view (no value) source: command line</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: Option left: name:-ksp_monitor (no value) source: command line</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: See <a href="https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!boqIOhIgncdTr1z60slIrCjusZEY0_bk-qkGbrlrmiepTiBAvCwW8s9c1IQ6vyT4fOeshVO3Bsu1F5HuERiBGRsq1r2LJ1zBtrM$">https://petsc.org/release/faq/</a> for trouble shooting.</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: PETSc Release Version 3.24.3, Jan 01, 2026</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: ex66_9pt with 1 MPI process(es) and PETSC_ARCH arch-darwin-c-debug on gs67-5186361 by pmacneic Thu Feb 19 21:03:16 2026</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: Configure options: --with-mpi-dir=/Users/pmacneic/mpich-install-3.3-gcc15 --force</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: #1 DMSetUp_DA_2D() at /Users/pmacneic/petsc-3.24.3/src/dm/impls/da/da2.c:212</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: #2 DMSetUp_DA() at /Users/pmacneic/petsc-3.24.3/src/dm/impls/da/dareg.c:17</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: #3 DMSetUp() at /Users/pmacneic/petsc-3.24.3/src/dm/interface/dm.c:807</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: #4 main() at ex66_9pt.c:77</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: PETSc Option Table entries:</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: -dm_view (source: command line)</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: -ksp_monitor (source: command line)</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">[0]PETSC ERROR: ----------------End of Error Message -------send entire error message to petsc-maint@mcs.anl.gov----------</span></p>
<p style="line-height: normal; margin: 0px;"><span style="font-family: Menlo; font-size: 15px; color: rgb(0, 0, 0);">application called MPI_Abort(MPI_COMM_SELF, 56) - process 0</span></p>
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<p class="MsoNormal"><span style="font-family: calibri, sans-serif; font-size: 11pt; color: black;">Macneice, Peter J. (GSFC-6740)</span><span style="font-family: calibri, sans-serif; color: black;">
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