Re: [petsc-users] Internal memory MUMPS during numerical factorization

2021-12-09 Thread Matthew Knepley
On Thu, Dec 9, 2021 at 7:53 PM Alberto F. Martín wrote: > Dear PETSc users, > > I am experiencing the following error during numerical factorization > while using the MUMPS package. > > It seems an internal memory error in the DMUMPS_ALLOC_CB function. Has > anyone experienced this before? Any cl

[petsc-users] Internal memory MUMPS during numerical factorization

2021-12-09 Thread Alberto F . Martín
Dear PETSc users, I am experiencing the following error during numerical factorization while using the MUMPS package. It seems an internal memory error in the DMUMPS_ALLOC_CB function. Has anyone experienced this before? Any clue how this can be solved? Thanks! Best regards,  Alberto. En

[petsc-users] SLEPc error "The inner product is not well defined: indefinite matrix" when solving generalized EVP with positive semidefinite B

2021-12-09 Thread Vladislav Pimanov
Dear PETSc community! Could you possibly help me with SLEPc generalized eigenproblem issue. I am trying to solve Ax = \lambda Bx where A and B are positive semi-definite matrices, both have only constant vector in nullspace. To be precise, A is the Schur complement of the Stokes matrix and B i