[petsc-users] Some questions in PETSc installation.

Matthew Knepley knepley at gmail.com
Thu Nov 15 11:29:01 CST 2012

On Thu, Nov 15, 2012 at 12:23 PM, paul zhang <paulhuaizhang at gmail.com> wrote:
> Hi there,
> Can I get some help to solve this issue?
> [hzh225 at dlxlogin2-2 petsc-3.1-p4]$ make PETSC_DIR=/home/hzh225/LIB_CFD/PETSC
> test
> Running test examples to verify correct installation
> Possible error running C/C++ src/snes/examples/tutorials/ex19 with 1 MPI
> process
> See http://www.mcs.anl.gov/petsc/petsc-as/documentation/troubleshooting.html
> --------------------------------------------------------------------------

This is not our message. It comes from your MPI.


> WARNING: It appears that your OpenFabrics subsystem is configured to only
> allow registering part of your physical memory.  This can cause MPI jobs to
> run with erratic performance, hang, and/or crash.
> This may be caused by your OpenFabrics vendor limiting the amount of
> physical memory that can be registered.  You should investigate the
> relevant Linux kernel module parameters that control how much physical
> memory can be registered, and increase them to allow registering all
> physical memory on your machine.
> --
> Huaibao (Paul) Zhang
> Gas Surface Interactions Lab
> Department of Mechanical Engineering
> University of Kentucky,
> Lexington,
> KY, 40506-0503
> Office: 216 Ralph G. Anderson Building
> Web:gsil.engineering.uky.edu

What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which
their experiments lead.
-- Norbert Wiener

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