[petsc-users] MUMPS valgrind error

[Alexander Lindsay]

I recently ran into some parallel crashes and valgrind suggests the issue
is with MUMPS. Has anyone else run into something similar recently?

==4022024== Invalid read of size 4

==4022024==    at 0xF961266: dmumps_dr_assemble_local (dsol_distrhs.F:301)

==4022024==    by 0xF961266: dmumps_scatter_dist_rhs_ (dsol_distrhs.F:169)

==4022024==    by 0xF952669: dmumps_solve_driver_ (dsol_driver.F:3677)

==4022024==    by 0xF8CA64A: dmumps_ (dmumps_driver.F:2035)

==4022024==    by 0xF85E12B: dmumps_f77_ (dmumps_f77.F:291)

==4022024==    by 0xF85C30E: dmumps_c (mumps_c.c:485)

==4022024==    by 0xEBA8E56: MatSolve_MUMPS (mumps.c:1493)

==4022024==    by 0xEE85D97: MatSolve (matrix.c:3631)

==4022024==    by 0xF31B060: PCApply_LU (lu.c:169)

==4022024==    by 0xF50FD3B: PCApply (precon.c:486)

==4022024==    by 0xF511204: PCApplyBAorAB (precon.c:756)

==4022024==    by 0xF51C5F0: KSP_PCApplyBAorAB (kspimpl.h:443)

==4022024==    by 0xF51C5F0: KSPGMRESCycle (gmres.c:146)

==4022024==    by 0xF51C5F0: KSPSolve_GMRES (gmres.c:227)

==4022024==    by 0xF5F339D: KSPSolve_Private (itfunc.c:910)

==4022024==  Address 0x308b338c is 4 bytes before a block of size 1 alloc'd

==4022024==    at 0x4C37135: malloc (vg_replace_malloc.c:381)

==4022024==    by 0xF960E93: dmumps_scatter_dist_rhs_ (dsol_distrhs.F:139)

==4022024==    by 0xF952669: dmumps_solve_driver_ (dsol_driver.F:3677)

==4022024==    by 0xF8CA64A: dmumps_ (dmumps_driver.F:2035)

==4022024==    by 0xF85E12B: dmumps_f77_ (dmumps_f77.F:291)

==4022024==    by 0xF85C30E: dmumps_c (mumps_c.c:485)

==4022024==    by 0xEBA8E56: MatSolve_MUMPS (mumps.c:1493)

==4022024==    by 0xEE85D97: MatSolve (matrix.c:3631)

==4022024==    by 0xF31B060: PCApply_LU (lu.c:169)

==4022024==    by 0xF50FD3B: PCApply (precon.c:486)

==4022024==    by 0xF511204: PCApplyBAorAB (precon.c:756)

==4022024==    by 0xF51C5F0: KSP_PCApplyBAorAB (kspimpl.h:443)

==4022024==    by 0xF51C5F0: KSPGMRESCycle (gmres.c:146)

==4022024==    by 0xF51C5F0: KSPSolve_GMRES (gmres.c:227)
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