I'm not sure if this is related, but Parmetis+Mumps+PETSc 3.2 on BlueGene/P was causing similar behavior without even setting any options. The only way I was able to get a direct solver going was by switching over to SuperLU.
A On Tue, Apr 24, 2012 at 10:01 PM, Alexander Grayver <agrayver at gfz-potsdam.de > wrote: > Can you set: > > -mat_mumps_icntl_4 1 > > And send mumps output? > Also do you use lu or ilu? How large is your matrix? > > Regards, > Alexander > > > ----- Reply message ----- > From: "Wen Jiang" <jiangwen84 at gmail.com> > To: <petsc-users at mcs.anl.gov> > Subject: [petsc-users] mumps get stuck with parmetis > Date: Tue, Apr 24, 2012 19:43 > > > Hi, > > My code will hang at the solving stage when I use mumps with the runtime > option -mat_mumps_icntl_28 2 -mat_mumps_icntl_29 2. If I remove these two > options, my code works fine. I am using PETSc 3.2 and configure it with > --download-mumps=1 > and --download-parmetis=1. Could anyone give me any hints? Thanks. > > Regards, > Wen > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120424/b0503b1c/attachment.htm>
