Hello, Trying to call this routine on 1 proc:
call MatMatSolve(F,B,solutions,ierr);CHKERRQ(ierr) I get following crash: [0]PETSC ERROR: --------------------- Error Message ------------------------------------ [0]PETSC ERROR: Null argument, when expecting valid pointer! [0]PETSC ERROR: Null Object: Parameter # 1! [0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: Petsc Release Version 3.3.0, Patch 2, Fri Jul 13 15:42:00 CDT 2012 [0]PETSC ERROR: See docs/changes/index.html for recent updates. [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting. [0]PETSC ERROR: See docs/index.html for manual pages. [0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: /app on a openmpi-i named glic1 by ag Mon Aug 13 15:06:36 2012 [0]PETSC ERROR: Libraries linked from /home/lib/petsc-3.3-p2/openmpi-intel-complex-debug-f-ds/lib [0]PETSC ERROR: Configure run at Wed Jul 18 12:14:30 2012 [0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: ISGetIndices() line 370 in /home/lib/petsc-3.3-p2/src/vec/is/interface/index.c [0]PETSC ERROR: MatMatSolve_SeqAIJ() line 1109 in /home/lib/petsc-3.3-p2/src/mat/impls/aij/seq/aijfact.c [0]PETSC ERROR: MatMatSolve() line 3122 in /home/lib/petsc-3.3-p2/src/mat/interface/matrix.c The same code works fine on nproc > 1. Any ideas? -- Regards, Alexander
