<div dir="ltr">I was able to run ksp ex56 manually. This machine requires an inscrutable workflow. I built the code in my home directory, copied the executable to a working directory and ran there. I have seen my colleagues do this copy business that is clearly not in PETSc tests. I don't understand it but I can I can hand if off to my users with some assurance that it _can_ work!<div><br></div><div>Thanks,</div><div>Mark</div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Oct 29, 2018 at 7:23 PM Balay, Satish <<a href="mailto:balay@mcs.anl.gov">balay@mcs.anl.gov</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Mon, 29 Oct 2018, Mark Adams via petsc-dev wrote:<br>
<br>
> ><br>
> ><br>
> > Pushing language C<br>
> > Popping language C<br>
> > Executing: cc -o /tmp/petsc-yiGfSd/config.packages.MPI/conftest -O<br>
> > /tmp/petsc-yiGfSd/config.packages.MPI/conftest.o -ldl<br>
> > Testing executable /tmp/petsc-yiGfSd/config.packages.MPI/conftest to see<br>
> > if it can be run<br>
> > Executing: /tmp/petsc-yiGfSd/config.packages.MPI/conftest<br>
> > Executing: /tmp/petsc-yiGfSd/config.packages.MPI/conftest<br>
> > ERROR while running executable: Could not execute<br>
> > "['/tmp/petsc-yiGfSd/config.packages.MPI/conftest']":<br>
> > [Mon Oct 29 17:44:45 2018] [unknown] Fatal error in MPI_Init: Other MPI<br>
> > error, error stack:<br>
> > MPIR_Init_thread(537):<br>
> > MPID_Init(249).......: channel initialization failed<br>
> > MPID_Init(638).......: PMI2 init failed: 1<br>
> ><br>
> > <<<<<<<<br>
> ><br>
> > So all MPI tests fail on frontend? And you need to use --with-batch?<br>
> ><br>
> <br>
> I ran the tests from an interactive shell. I guess I should run configure<br>
> from an interactive shell. but configure and make seemed to work.<br>
<br>
>>>><br>
Executing: aprun /tmp/petsc-yiGfSd/config.libraries/conftest<br>
Executing: aprun /tmp/petsc-yiGfSd/config.libraries/conftest<br>
stdout: XALT Error: unable to find aprun<br>
ERROR while running executable: Could not execute "['aprun /tmp/petsc-yiGfSd/config.libraries/conftest']":<br>
XALT Error: unable to find aprun<br>
<br>
Are you able to use 'aprun' via interactive nodes to run MPI jobs? Somehow configure is unable to use aprun.<br>
<br>
Satish<br>
</blockquote></div>