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Can you provide us a test code that reveals this error?</div>
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Hong</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> petsc-users <petsc-users-bounces@mcs.anl.gov> on behalf of Alexander Lindsay <alexlindsay239@gmail.com><br>
<b>Sent:</b> Monday, November 20, 2023 2:48 PM<br>
<b>To:</b> PETSc <petsc-users@mcs.anl.gov><br>
<b>Subject:</b> [petsc-users] MUMPS valgrind error</font>
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<div dir="ltr">I recently ran into some parallel crashes and valgrind suggests the issue is with MUMPS. Has anyone else run into something similar recently?
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<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024== Invalid read of size 4</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>at 0xF961266: dmumps_dr_assemble_local (dsol_distrhs.F:301)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF961266: dmumps_scatter_dist_rhs_ (dsol_distrhs.F:169)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF952669: dmumps_solve_driver_ (dsol_driver.F:3677)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF8CA64A: dmumps_ (dmumps_driver.F:2035)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF85E12B: dmumps_f77_ (dmumps_f77.F:291)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF85C30E: dmumps_c (mumps_c.c:485)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xEBA8E56: MatSolve_MUMPS (mumps.c:1493)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xEE85D97: MatSolve (matrix.c:3631)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF31B060: PCApply_LU (lu.c:169)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF50FD3B: PCApply (precon.c:486)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF511204: PCApplyBAorAB (precon.c:756)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF51C5F0: KSP_PCApplyBAorAB (kspimpl.h:443)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF51C5F0: KSPGMRESCycle (gmres.c:146)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF51C5F0: KSPSolve_GMRES (gmres.c:227)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF5F339D: KSPSolve_Private (itfunc.c:910)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>Address 0x308b338c is 4 bytes before a block of size 1 alloc'd</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>at 0x4C37135: malloc (vg_replace_malloc.c:381)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF960E93: dmumps_scatter_dist_rhs_ (dsol_distrhs.F:139)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF952669: dmumps_solve_driver_ (dsol_driver.F:3677)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF8CA64A: dmumps_ (dmumps_driver.F:2035)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF85E12B: dmumps_f77_ (dmumps_f77.F:291)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF85C30E: dmumps_c (mumps_c.c:485)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xEBA8E56: MatSolve_MUMPS (mumps.c:1493)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xEE85D97: MatSolve (matrix.c:3631)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF31B060: PCApply_LU (lu.c:169)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF50FD3B: PCApply (precon.c:486)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF511204: PCApplyBAorAB (precon.c:756)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF51C5F0: KSP_PCApplyBAorAB (kspimpl.h:443)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF51C5F0: KSPGMRESCycle (gmres.c:146)</span></p>
<p class="x_gmail-p1" style="margin:0px; font-variant-numeric:normal; font-variant-east-asian:normal; font-variant-alternates:normal; font-kerning:auto; font-feature-settings:normal; font-stretch:normal; font-size:11px; line-height:normal; font-family:Menlo; color:rgb(0,0,0)">
<span class="x_gmail-s1" style="font-variant-ligatures:no-common-ligatures">==4022024==<span class="x_gmail-Apple-converted-space">
</span>by 0xF51C5F0: KSPSolve_GMRES (gmres.c:227)</span></p>
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