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    <p>Hi Min and Matthew,</p>
    <p>In fact, I just ran an "hello word" on 2 processes and it works. 
      I do not have a more complicated example without PETSc since I
      have a Petsc-based source code...</p>
    <p>However, I just tried to launch "make testing" into the mpich
      directory and it ended with some failed tests  and it was very
      long: about an hour.  Is it normal?<br>
    </p>
    <p>Please, see the attached file: summary.xml</p>
    <p>Thanks,</p>
    <p>Eric</p>
    <p><br>
    </p>
    <br>
    <p><br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 27/03/18 05:04 PM, Matthew Knepley
      wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:CAMYG4G=_U5HVuPKNCyX2Vu+EpuLUWaRgQFKsNabpzZV2jJ97Zw@mail.gmail.com">
      <div dir="ltr">
        <div class="gmail_extra">
          <div class="gmail_quote">On Tue, Mar 27, 2018 at 4:59 PM, Min
            Si <span dir="ltr"><<a href="mailto:msi@anl.gov" target="_blank" moz-do-not-send="true">msi@anl.gov</a>></span>
            wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Eric,<br>
              <br>
              It will be great if you could give us a simple MPI program
              (not with PETSc) to reproduce this issue. If this is a
              problem happens only when PETSc is involved, the PETSc
              team can give you more suggestions.<br>
            </blockquote>
            <div><br>
            </div>
            <div>Hi Min,</div>
            <div><br>
            </div>
            <div>It is really easy to run PETSc at ANL. I am sure one of
              us can help if you cannot reproduce this bug on your own.</div>
            <div><br>
            </div>
            <div>  Thanks,</div>
            <div><br>
            </div>
            <div>     Matt</div>
            <div> </div>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              Thanks,<br>
              Min
              <div>
                <div class="h5"><br>
                  <br>
                  On 2018/03/27 15:38, Eric Chamberland wrote:<br>
                </div>
              </div>
              <blockquote class="gmail_quote" style="margin:0 0 0
                .8ex;border-left:1px #ccc solid;padding-left:1ex">
                <div>
                  <div class="h5">
                    Hi,<br>
                    <br>
                    since more than 2 weeks that the master branch of
                    mpich is still and it can be reproduced with a
                    simple "make test" after a fresh installation of
                    PETSc...<br>
                    <br>
                    Is anyone testing it?<br>
                    <br>
                    Is it supposed to be working?<br>
                    <br>
                    Just tell me if I should "follow" another mpich
                    branch please.<br>
                    <br>
                    Thanks,<br>
                    <br>
                    Eric<br>
                    <br>
                    <br>
                    On 14/03/18 03:35 AM, Eric Chamberland wrote:<br>
                    <blockquote class="gmail_quote" style="margin:0 0 0
                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      Hi,<br>
                      <br>
                      fwiw, the actual mpich/master branch doesn't
                      passes the PETSc "make test" after a fresh
                      installation...  It hangs just afer the 1 MPI
                      process test, meaning it is locked into the 2
                      process test:<br>
                      <br>
                      make PETSC_DIR=/pmi/cmpbib/compilat<wbr>ion_BIB_dernier_mpich/COMPILE_<wbr>AUTO/mpich-3.x-debug/petsc-3.<wbr>8.3-debug
                      PETSC_ARCH=arch-linux2-c-debug test<br>
                      Running test examples to verify correct
                      installation<br>
                      Using PETSC_DIR=/pmi/cmpbib/compilat<wbr>ion_BIB_dernier_mpich/COMPILE_<wbr>AUTO/mpich-3.x-debug/petsc-3.<wbr>8.3-debug
                      and PETSC_ARCH=arch-linux2-c-debug<br>
                      C/C++ example src/snes/examples/tutorials/ex<wbr>19
                      run successfully with 1 MPI process<br>
                      <br>
                      <br>
                      <br>
                      <br>
                      ^Cmakefile:151: recipe for target 'test' failed<br>
                      make: [test] Interrupt (ignored)<br>
                      <br>
                      thanks,<br>
                      <br>
                      Eric<br>
                      <br>
                      On 13/03/18 08:07 AM, Eric Chamberland wrote:<br>
                      <blockquote class="gmail_quote" style="margin:0 0
                        0 .8ex;border-left:1px #ccc
                        solid;padding-left:1ex">
                        <br>
                        Hi,<br>
                        <br>
                        each night we are testing mpich/master with our
                        petsc-based code. I don't know if PETSc team is
                        doing the same thing with mpich/master?   (Maybe
                        it is a good idea?)<br>
                        <br>
                        Everything was fine (except the issue <a href="https://github.com/pmodels/mpich/issues/2892" rel="noreferrer" target="_blank" moz-do-not-send="true">https://github.com/pmodels/mpi<wbr>ch/issues/2892</a>)
                        up to commit 7b8d64debd, but since commit
                        mpich:a8a2b30fd21), I have a segfault on a any
                        parallel nightly test.<br>
                        <br>
                        For example, a 2 process test ends at almost
                        different execution points:<br>
                        <br>
                        rank 0:<br>
                        <br>
                        #003: /lib64/libpthread.so.0(+0xf870<wbr>)
                        [0x7f25bf908870]<br>
                        #004: /pmi/cmpbib/compilation_BIB_de<wbr>rnier_mpich/COMPILE_AUTO/BIB/<wbr>bin/BIBMEFGD.opt()
                        [0x64a788]<br>
                        #005: /lib64/libc.so.6(+0x35140)
                        [0x7f25bca18140]<br>
                        #006: /lib64/libc.so.6(__poll+0x2d)
                        [0x7f25bcabfbfd]<br>
                        #007: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x1e4cc9)
                        [0x7f25bd90ccc9]<br>
                        #008: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x1ea55c)
                        [0x7f25bd91255c]<br>
                        #009: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0xba657)
                        [0x7f25bd7e2657]<br>
                        #010: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(PMPI_Waitall+0xe3)
                        [0x7f25bd7e3343]<br>
                        #011: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(P<wbr>etscGatherMessageLengths+0x654<wbr>)
                        [0x7f25c4bb3193]<br>
                        #012: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecScatterCreate_PtoS+0x859)
                        [0x7f25c4e82d7f]<br>
                        #013: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecScatterCreate+0x5684)
                        [0x7f25c4e4d055]<br>
                        #014: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecCreateGhostWithArray+0x688)
                        [0x7f25c4e01a39]<br>
                        #015: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecCreateGhost+0x179)
                        [0x7f25c4e020f6]<br>
                        <br>
                        rank 1:<br>
                        <br>
                        #002: /pmi/cmpbib/compilation_BIB_de<wbr>rnier_mpich/COMPILE_AUTO/GIREF<wbr>/lib/libgiref_opt_Util.so(<wbr>traitementSignal+0x2bd0)
                        [0x7f62df8e7310]<br>
                        #003: /lib64/libc.so.6(+0x35140)
                        [0x7f62d3bc9140]<br>
                        #004: /lib64/libc.so.6(__poll+0x2d)
                        [0x7f62d3c70bfd]<br>
                        #005: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x1e4cc9)
                        [0x7f62d4abdcc9]<br>
                        #006: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x1ea55c)
                        [0x7f62d4ac355c]<br>
                        #007: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x12c9c5)
                        [0x7f62d4a059c5]<br>
                        #008: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x12e102)
                        [0x7f62d4a07102]<br>
                        #009: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0xf17a1)
                        [0x7f62d49ca7a1]<br>
                        #010: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x3facf)
                        [0x7f62d4918acf]<br>
                        #011: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x3fc3d)
                        [0x7f62d4918c3d]<br>
                        #012: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0xf18d8)
                        [0x7f62d49ca8d8]<br>
                        #013: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x3fb88)
                        [0x7f62d4918b88]<br>
                        #014: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(+0x3fc3d)
                        [0x7f62d4918c3d]<br>
                        #015: /opt/mpich-3.x_debug/lib/libmp<wbr>i.so.0(MPI_Barrier+0x27b)
                        [0x7f62d4918edb]<br>
                        #016: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(P<wbr>etscCommGetNewTag+0x3ff)
                        [0x7f62dbceb055]<br>
                        #017: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(P<wbr>etscObjectGetNewTag+0x15d)
                        [0x7f62dbceaadb]<br>
                        #018: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecScatterCreateCommon_PtoS+0x1<wbr>ee)
                        [0x7f62dc03625c]<br>
                        #019: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecScatterCreate_PtoS+0x29c4)
                        [0x7f62dc035eea]<br>
                        #020: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecScatterCreate+0x5684)
                        [0x7f62dbffe055]<br>
                        #021: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecCreateGhostWithArray+0x688)
                        [0x7f62dbfb2a39]<br>
                        #022: /opt/petsc-3.8.3_debug_mpich-3<wbr>.x_debug/lib/libpetsc.so.3.8(V<wbr>ecCreateGhost+0x179)
                        [0x7f62dbfb30f6]<br>
                        <br>
                        Have some other users (PETSc users?) reported
                        problem?<br>
                        <br>
                        Thanks,<br>
                        <br>
                        Eric<br>
                        <br>
                        ps: usual informations:<br>
                        <br>
                        mpich logs:<br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_config.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_config.log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_config.system" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_config.system</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_mpich_version.txt" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_mpich_version.txt</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_c.txt" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_c.txt</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_m.txt" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_m.txt</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_mi.txt" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_mi.txt</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_openmpa_config.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_openmpa_config.<wbr>log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_mpl_config.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_mpl_config.log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_pm_hydra_config.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_pm_hydra_config.<wbr>log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_pm_hydra_tools_topo_config.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_pm_hydra_tools_<wbr>topo_config.log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_mpiexec_info.txt" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_mpiexec_info.txt</a>
                        <br>
                        <br>
                        Petsc logs:<br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_configure.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_configure.log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_make.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_make.log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_default.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_default.log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_RDict.log" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_RDict.log</a>
                        <br>
                        <a href="http://www.giref.ulaval.ca/%7Ecmpgiref/dernier_mpich/2018.03.12.05h39m54s_CMakeLists.txt" rel="noreferrer" target="_blank" moz-do-not-send="true">http://www.giref.ulaval.ca/~cm<wbr>pgiref/dernier_mpich/2018.03.<wbr>12.05h39m54s_CMakeLists.txt</a>
                        <br>
                        <br>
                        <br>
                      </blockquote>
                      <br>
                    </blockquote>
                  </div>
                </div>
                ______________________________<wbr>_________________<br>
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              </blockquote>
              <br>
            </blockquote>
          </div>
          <br>
          <br clear="all">
          <div><br>
          </div>
          -- <br>
          <div class="gmail_signature" data-smartmail="gmail_signature">
            <div dir="ltr">
              <div>
                <div dir="ltr">
                  <div>What most experimenters take for granted before
                    they begin their experiments is infinitely more
                    interesting than any results to which their
                    experiments lead.<br>
                    -- Norbert Wiener</div>
                  <div><br>
                  </div>
                  <div><a href="http://www.caam.rice.edu/%7Emk51/" target="_blank" moz-do-not-send="true">https://www.cse.buffalo.edu/~knepley/</a><br>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
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