I'm pretty certain that's not going to work. I suggest you just disable two of the three models. I'm running with this and it works fine. (e.g. --disable-tbb --disable-openmp))
We're looking into this as this is a critical issue. On Thu, Feb 25, 2016 at 2:40 PM John Peterson <jwpeter...@gmail.com> wrote: > On Thu, Feb 25, 2016 at 2:17 PM, Zhang, Hong <hongzh...@anl.gov> wrote: > > > Dear all, > > > > I am using the latest version of libmesh from the github repository on > > Fedora 23. When I do make check, the test fails at the example > > 'introduction_ex2', throwing out a segmentation fault error. It seems > that > > the function EquationSystems.init() is broken, perhaps due to pthread. > > Unfortunately I have to use this function in my own application code. Is > > there anyway to fix/work around this? Thanks. > > > > FYI, here is the backtrace: > > > > #0 0x00007ffff384f600 in pthread_join () from /usr/lib64/libpthread.so.0 > > #1 0x00007ffff5fe2fef in > > > libMesh::Threads::parallel_for<libMesh::StoredRange<libMesh::MeshBase::const_element_iterator, > > libMesh::Elem const*>, (anonymous namespace)::ComputeConstraints> > > (range=..., body=...) at ./include/libmesh/threads.h:562 > > #2 0x00007ffff5fc321e in libMesh::DofMap::create_dof_constraints > > (this=0x697bb0, mesh=..., time=0) at src/base/dof_map_constraints.C:1152 > > #3 0x00007ffff684273e in libMesh::System::reinit_constraints > > (this=0x697650) at src/systems/system.C:412 > > #4 0x00007ffff6841c1e in libMesh::System::init_data (this=0x697650) at > > src/systems/system.C:267 > > #5 0x00007ffff6807e12 in libMesh::ExplicitSystem::init_data > > (this=0x697650) at src/systems/explicit_system.C:72 > > #6 0x00007ffff682a073 in libMesh::ImplicitSystem::init_data > > (this=0x697650) at src/systems/implicit_system.C:89 > > #7 0x00007ffff6834772 in libMesh::LinearImplicitSystem::init_data > > (this=0x697650) at src/systems/linear_implicit_system.C:77 > > #8 0x00007ffff689d7b3 in > > libMesh::TransientSystem<libMesh::LinearImplicitSystem>::init_data > > (this=0x697650) at src/systems/transient_system.C:108 > > #9 0x00007ffff6841b03 in libMesh::System::init (this=0x697650) at > > src/systems/system.C:242 > > #10 0x00007ffff67f60c6 in libMesh::EquationSystems::init > > (this=0x7fffffffd8b0) at src/systems/equation_systems.C:121 > > #11 0x000000000042ce25 in main (argc=1, argv=0x7fffffffdee8) at > > introduction_ex2.C:137 > > > > The pthreads interface was changed a bit recently, so it's possible a > regression was introduced. > > Furthermore, we have kind of an odd situation where multiple threading > models (OpenMP, TBB, pthreads) can be detected at the same time, but I'm > not 100% sure we always handle all the #ifdef'ing correctly for this in > threads.h... > > Depending on what you are trying to do, for instance if you don't plan to > run using threads, you can try disabling all threading by configuring > libmesh with: > > --disable-pthreads --disable-tbb --disable-openmp > > However, I haven't tried this configuration recently myself either... > > -- > John > > ------------------------------------------------------------------------------ > Site24x7 APM Insight: Get Deep Visibility into Application Performance > APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month > Monitor end-to-end web transactions and take corrective actions now > Troubleshoot faster and improve end-user experience. Signup Now! > http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 > _______________________________________________ > Libmesh-users mailing list > Libmesh-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/libmesh-users > ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
