Re: [petsc-users] MUMPS Error

2019-01-07 Thread Zhang, Hong via petsc-users
Sal: Recent versions of MUMPS have bugs when using SCALAPACK. You may also try to disable parallelism on the root node by using tried that, does not seem to help... but it is odd. this is not a big system, it is small and made for testing. How large is the matrix, its dimension and number of

Re: [petsc-users] Question about correctly catching fp_trap

2019-01-07 Thread Balay, Satish via petsc-users
On Mon, 7 Jan 2019, Sajid Ali via petsc-users wrote: > Hi Satish, > > Please find attached the logs for the previous patch for petsc+debug. >>> Compilers: C Compiler:

Re: [petsc-users] Configuring PETSc with OpenMPI

2019-01-07 Thread Balay, Satish via petsc-users
Configure Options: --configModules=PETSc.Configure --optionsModule=config.compilerOptions PETSC_ARCH=linux-cumulus-hpc --with-cc=gcc --with-fc=gfortran --with-cxx=g++ --with-mpi-dir=/usr/local/depot/openmpi-3.1.1-gcc-7.3.0/bin/ --download-parmetis --download-metis --download-ptscotch

Re: [petsc-users] Question about correctly catching fp_trap

2019-01-07 Thread Balay, Satish via petsc-users
On Mon, 7 Jan 2019, Sajid Ali wrote: > @Satish Balay : I tried building with the patch and > don't see any difference. Do you want me to send you the config and build > logs to investigate further? Hm - you should see '-g' for 'petsc+debug'. Send the logs. I have - in

Re: [petsc-users] Question about correctly catching fp_trap

2019-01-07 Thread Sajid Ali via petsc-users
> Anyway the FPE occurs in MatSolve_SeqAIJ_NaturalOrdering which usually indicates a zero on the diagonal of the matrix. Is that possible? It looks like this is indeed the case here. Thanks for the hint. @Satish Balay : I tried building with the patch and don't see any difference. Do you want

Re: [petsc-users] DMPlex H27 elements

2019-01-07 Thread Yann Jobic via petsc-users
Le 05/01/2019 à 13:23, Matthew Knepley a écrit : On Sat, Jan 5, 2019 at 4:04 AM Yann Jobic > wrote: On 05/01/2019 02:36, Matthew Knepley wrote: On Fri, Jan 4, 2019 at 10:04 AM Yann Jobic via petsc-users mailto:petsc-users@mcs.anl.gov>> wrote: