[petsc-users] Inertia computation fails

[Satish Balay]

The address here should be petsc-users - not petsc-users-bounces

balay at sb /home/balay/git-repo/slepc (master=)
$ git grep 'Inertia computation fails'
src/eps/impls/krylov/krylovschur/ks-slice.c:          if (zeros) SETERRQ1(((PetscObject)eps)->comm,PETSC_ERR_CONV_FAILED,"Inertia computation fails in %g",sr->int1);
src/eps/impls/krylov/krylovschur/ks-slice.c:      if (zeros) SETERRQ1(((PetscObject)eps)->comm,PETSC_ERR_CONV_FAILED,"Inertia computation fails in %g",newShift);
src/pep/impls/krylov/stoar/qslice.c:        if (!nconv) SETERRQ1(((PetscObject)pep)->comm,PETSC_ERR_CONV_FAILED,"Inertia computation fails in %g",nzshift);
src/pep/impls/krylov/stoar/qslice.c:      if (zeros) SETERRQ1(((PetscObject)pep)->comm,PETSC_ERR_CONV_FAILED,"Inertia computation fails in %g",newShift);

So the message is likely coming from slepc

Satish

---------- Forwarded message ----------
Date: Thu, 05 Mar 2020 14:43:13 +0100
From: Perceval Desforges <perceval.desforges at polytechnique.edu>
To: petsc-users <petsc-users-bounces at mcs.anl.gov>
Subject: Inertia computation fails

Dear PETSc developpers, 
I am using SLEPC and MUMPS to calculate the eigenvalues of a real
symmetric matrix in an interval. I have come upon a crash and I was
unable to find any documentation on the error I got. 
The error is:  
Inertia computation fails in 2.19893 
Is this a slepc, a Petsc or a mumps problem? 
Thanks, 
Perceval