Here is a fix: echo 127.0.0.1 `hostname` | sudo tee -a /etc/hosts
Satish On Thu, 17 Sep 2020, Matthew Knepley wrote: > We should have an option to disable the test. > > Matt > > On Thu, Sep 17, 2020 at 5:31 PM Satish Balay via petsc-users < > petsc-users@mcs.anl.gov> wrote: > > > On Thu, 17 Sep 2020, Mark Adams wrote: > > > > > I rebased over master and started getting this error. > > > I did reinstall MPICH (brew) recently. > > > Any ideas? > > > Thanks, > > > Mark > > > > > > ------------------------------------------------------------------------------- > > Exception: Your hostname will not work with MPI, perhaps you have VPN > > running whose network settings may not play well with MPI or your network > > is misconfigured > > > > ******************************************************************************* > > > > > > Ok - this is a new test that got added to check for broken network that > > breaks MPI. > > > > Here is the check: > > > > Executing: ping -c 2 MarksMac-302.local > > > > The check says you have broken network settings. [as its not responding to > > ping.] > > > > Does MPI work fine on this box? You can try disabling this check > > (manually) - and do the build, and run > > > > Does MPI run fine? > > > > Satish > > > > > > >>>>>>>>>>> > > > > diff --git a/config/BuildSystem/config/packages/MPI.py > > b/config/BuildSystem/config/packages/MPI.py > > index 2e130fdcfe..8464de6773 100644 > > --- a/config/BuildSystem/config/packages/MPI.py > > +++ b/config/BuildSystem/config/packages/MPI.py > > @@ -267,7 +267,7 @@ shared libraries and run with > > --known-mpi-shared-libraries=1') > > if ret != 0: > > raise RuntimeError(errormessage+" Return code %s\n" % ret) > > except: > > - raise RuntimeError("Exception: "+errormessage) > > + pass > > else: > > self.logPrint("Unable to get result from hostname, skipping > > ping check\n") > > > > > >