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    <div class="moz-cite-prefix">First question, does adding FC=ifort
      ADD_FCFLAGS="-openmp" to configure and recompiling from scratch
      fix things?<br>
      <br>
      If not, is it possible to supply me with a copy of your code so I
      can attempt to reproduce the problem? I can't recall whether the
      Ipopt driver shipped with the option to dump matrices, but if it
      did a matrix dump of iteration zero might be easier?<br>
      <br>
      Thanks,<br>
      <br>
      Jonathan.<br>
      <br>
      On 23/05/13 04:32, Breannan Smith wrote:<br>
    </div>
    <blockquote
cite="mid:CAJd=gO5Spx9u3_+fJ2UFSj=9F73p7YN-cYcvfFBtrhh5BGMHHw@mail.gmail.com"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html;
        charset=ISO-8859-1">
      <div dir="ltr">Further investigation reveals that this problem
        arises with the Intel compiler suite but not with the GCC suite.
        More&nbsp;concretely:
        <div><br>
        </div>
        <div style=""># Configuring/building with the Intel compiler
          suite leads to a segfault with MA86 and MA97 for&nbsp;<span
            style="font-family:arial,sans-serif;font-size:13px">hs071_main</span></div>
        <div>../configure CXX=icpc CC=icc F77=ifort ADD_CFLAGS="-openmp"
          ADD_FFLAGS="-openmp" ADD_CXXFLAGS="-openmp"<br>
        </div>
        <div><br>
        </div>
        <div style=""># Configuring/building with the GCC suite works
          with MA86 and MA97 for&nbsp;<span
            style="font-family:arial,sans-serif;font-size:13px">hs071_main</span></div>
        <div style="">../configure CXX=g++ CC=gcc F77=gfortran
          ADD_CFLAGS="-fopenmp" ADD_FFLAGS="-fopenmp"
          ADD_CXXFLAGS="-fopenmp"<br>
        </div>
        <div style=""><br>
        </div>
        <div style="">For reference, I have run these tests with
          GCC&nbsp;4.6.3 and ICC&nbsp;13.1.1 20130313.&nbsp;</div>
        <div style=""><br>
        </div>
        <div>
          <div style="font-family:arial,sans-serif;font-size:13px">Best
            regards,</div>
          <div style="font-family:arial,sans-serif;font-size:13px">Breannan
            Smith</div>
          <div style="font-family:arial,sans-serif;font-size:13px">
            <a moz-do-not-send="true"
              href="mailto:smith@cs.columbia.edu" target="_blank">smith@cs.columbia.edu</a></div>
        </div>
        <div><br>
        </div>
      </div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">On Wed, May 22, 2013 at 12:59 PM,
          Breannan Smith <span dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:smith@cs.columbia.edu" target="_blank">smith@cs.columbia.edu</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">Dear Ipopt Community,
              <div><br>
              </div>
              <div>I'm attempting to run&nbsp;Ipopt-3.11.0 with the parallel
                HSL solvers (<a moz-do-not-send="true"
                  href="http://www.hsl.rl.ac.uk/ipopt/" target="_blank">http://www.hsl.rl.ac.uk/ipopt/</a>)
                on 64-bit Linux with Intel's compilers (version 13.1.1
                20130313), but I encounter a segfault if I execute Ipopt
                with MA86 or MA97 with OpenMP enabled. I am configuring
                Ipopt with:</div>
              <div><br>
              </div>
              <div>../configure CXX=icpc CC=icc F77=ifort
                ADD_CFLAGS=-openmp ADD_FFLAGS=-openmp
                ADD_CXXFLAGS=-openmp --with-blas="-L$MKLROOT/lib
                -lmkl_intel_lp64 -lmkl_sequential -lmkl_core"</div>
              <div>
                <br>
              </div>
              <div>I am building the HSL libraries with Ipopt as
                described in the&nbsp;documentation (that is copying coinhsl
                into ThirdParty/HSL).&nbsp;</div>
              <div><br>
              </div>
              <div>If I then modify the C++ test example hs071_main.cpp
                to use ma97 (e.g. app-&gt;Options()-&gt;SetStringValue(
                <span>"linear_solver"</span>, <span>"ma97"</span> )),
                build, and execute, the code segfaults in
                hsl_mc78_integer_mp_mc78_col_counts_integer_ (backtrace
                included below). This same example runs fine with ma27,
                ma57, and mumps.&nbsp;</div>
              <div><br>
              </div>
              <div>Any thoughts, tips, tricks, or suggestions as to the
                cause of this segfault?&nbsp;</div>
              <div><br>
              </div>
              <div>Thanks, I'm happy to run more tests or provide more
                details!</div>
              <div>
                <br>
              </div>
              <div>Best regards,</div>
              <div>Breannan Smith</div>
              <div><a moz-do-not-send="true"
                  href="mailto:smith@cs.columbia.edu" target="_blank">smith@cs.columbia.edu</a></div>
              <div><br>
              </div>
              <div>The backtrace:</div>
              <div><br>
              </div>
              <div>
                <div>
                  <div>Program received signal SIGSEGV, Segmentation
                    fault.</div>
                  <div>0x00007ffff71b9701 in
                    hsl_mc78_integer_mp_mc78_col_counts_integer_ ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/ThirdParty/HSL/.libs/libcoinhsl.so.1</div>
                  <div>(gdb) bt</div>
                  <div>#0 &nbsp;0x00007ffff71b9701 in
                    hsl_mc78_integer_mp_mc78_col_counts_integer_ ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/ThirdParty/HSL/.libs/libcoinhsl.so.1</div>
                  <div>#1 &nbsp;0x00007ffff729b031 in
                    hsl_ma97_double_mp_get_nzl_ ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/ThirdParty/HSL/.libs/libcoinhsl.so.1</div>
                  <div>#2 &nbsp;0x00007ffff7298d9e in
                    hsl_ma97_double_mp_compute_order_ ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/ThirdParty/HSL/.libs/libcoinhsl.so.1</div>
                  <div>#3 &nbsp;0x00007ffff72962ea in
                    hsl_ma97_double_mp_analyse_double_ ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/ThirdParty/HSL/.libs/libcoinhsl.so.1</div>
                  <div>#4 &nbsp;0x00007ffff72cd1c1 in ma97_analyse_d ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/ThirdParty/HSL/.libs/libcoinhsl.so.1</div>
                  <div>#5 &nbsp;0x00007ffff7adf37e in
                    Ipopt::Ma97SolverInterface::InitializeStructure(int,
                    int, int const*, int const*) ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#6 &nbsp;0x00007ffff7ad2e19 in
                    Ipopt::TSymLinearSolver::InitializeStructure(Ipopt::SymMatrix
                    const&amp;) ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#7 &nbsp;0x00007ffff7ad1a35 in
                    Ipopt::TSymLinearSolver::MultiSolve(Ipopt::SymMatrix
                    const&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt; &gt; &gt;&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;
                    &gt; &gt;&amp;, bool, int) () from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#8 &nbsp;0x00007ffff7ac2d1f in
                    Ipopt::StdAugSystemSolver::MultiSolve(Ipopt::SymMatrix
                    const*, double, Ipopt::Vector const*, double,
                    Ipopt::Vector const*, double, Ipopt::Matrix const*,
                    Ipopt::Vector const*, double, Ipopt::Matrix const*,
                    Ipopt::Vector const*, double,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt; &gt; &gt;&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt; &gt; &gt;&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt; &gt; &gt;&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector
                    const&gt; &gt; &gt;&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;
                    &gt; &gt;&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;
                    &gt; &gt;&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;
                    &gt; &gt;&amp;,
                    std::vector&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;,
                    std::allocator&lt;Ipopt::SmartPtr&lt;Ipopt::Vector&gt;
                    &gt; &gt;&amp;, bool, int) ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#9 &nbsp;0x00007ffff79e81c2 in
                    Ipopt::AugSystemSolver::Solve(Ipopt::SymMatrix
                    const*, double, Ipopt::Vector const*, double,
                    Ipopt::Vector const*, double, Ipopt::Matrix const*,
                    Ipopt::Vector const*, double, Ipopt::Matrix const*,
                    Ipopt::Vector const*, double, Ipopt::Vector
                    const&amp;, Ipopt::Vector const&amp;, Ipopt::Vector
                    const&amp;, Ipopt::Vector const&amp;,
                    Ipopt::Vector&amp;, Ipopt::Vector&amp;,
                    Ipopt::Vector&amp;, Ipopt::Vector&amp;, bool, int)
                    ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#10 0x00007ffff7a558d6 in
                    Ipopt::LeastSquareMultipliers::CalculateMultipliers(Ipopt::Vector&amp;,
                    Ipopt::Vector&amp;) ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#11 0x00007ffff79fea70 in
                    Ipopt::DefaultIterateInitializer::least_square_mults(Ipopt::Journalist
                    const&amp;, Ipopt::IpoptNLP&amp;,
                    Ipopt::IpoptData&amp;,
                    Ipopt::IpoptCalculatedQuantities&amp;,
                    Ipopt::SmartPtr&lt;Ipopt::EqMultiplierCalculator&gt;
                    const&amp;, double) ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#12 0x00007ffff7a02862 in
                    Ipopt::DefaultIterateInitializer::SetInitialIterates()
                    ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#13 0x00007ffff7a195c2 in
                    Ipopt::IpoptAlgorithm::InitializeIterates() ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#14 0x00007ffff7a127e1 in
                    Ipopt::IpoptAlgorithm::Optimize(bool) ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#15 0x00007ffff798a542 in
                    Ipopt::IpoptApplication::call_optimize() ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#16 0x00007ffff7989ca0 in
                    Ipopt::IpoptApplication::OptimizeNLP(Ipopt::SmartPtr&lt;Ipopt::NLP&gt;
                    const&amp;,
                    Ipopt::SmartPtr&lt;Ipopt::AlgorithmBuilder&gt;&amp;)
                    ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#17 0x00007ffff7989978 in
                    Ipopt::IpoptApplication::OptimizeNLP(Ipopt::SmartPtr&lt;Ipopt::NLP&gt;
                    const&amp;) ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#18 0x00007ffff79898fa in
                    Ipopt::IpoptApplication::OptimizeTNLP(Ipopt::SmartPtr&lt;Ipopt::TNLP&gt;
                    const&amp;) ()</div>
                  <div>&nbsp; &nbsp;from
/proj/cg/users/smith/research_current/gr/code/libs/Ipopt-3.11.0/build/Ipopt/src/Interfaces/.libs/libipopt.so.1</div>
                  <div>#19 0x0000000000402047 in main ()</div>
                </div>
                <div><br>
                </div>
              </div>
            </div>
          </blockquote>
        </div>
        <br>
      </div>
      <br>
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      <br>
      <pre wrap="">_______________________________________________
Ipopt mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Ipopt@list.coin-or.org">Ipopt@list.coin-or.org</a>
<a class="moz-txt-link-freetext" href="http://list.coin-or.org/mailman/listinfo/ipopt">http://list.coin-or.org/mailman/listinfo/ipopt</a>
</pre>
    </blockquote>
    <br>
  
<br>
<p>-- 
<BR>Scanned by iCritical.
</p><br>
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