*** Caught a fatal signal: SIGSEGV(11) on node 0/1
[0] /usr/bin/gstack 161796
[0] Thread 6 (Thread 0x2b1f47e93700 (LWP 161797)):
[0] #0  0x00002b1f259cd68c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
[0] #1  0x00002b1f2370bfcc in IncomingMessageManager::get_messages(int&, bool) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #2  0x00002b1f2370c148 in IncomingMessageManager::handler_thread_loop() () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #3  0x00002b1f2371557c in void Realm::Thread::thread_entry_wrapper<IncomingMessageManager, &(IncomingMessageManager::handler_thread_loop())>(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #4  0x00002b1f236f1f11 in Realm::KernelThread::pthread_entry(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #5  0x00002b1f259c9aa1 in start_thread () from /lib64/libpthread.so.0
[0] #6  0x00002b1f25715bcd in clone () from /lib64/libc.so.6
[0] Thread 5 (Thread 0x2b1f48094700 (LWP 161798)):
[0] #0  0x00002b1f259cc8a9 in pthread_mutex_unlock () from /lib64/libpthread.so.0
[0] #1  0x00002b1f237132e6 in EndpointManager::push_messages(int, bool) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #2  0x00002b1f2370d917 in EndpointManager::polling_worker_loop() () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #3  0x00002b1f2371596a in void Realm::Thread::thread_entry_wrapper<EndpointManager, &(EndpointManager::polling_worker_loop())>(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #4  0x00002b1f236f1f11 in Realm::KernelThread::pthread_entry(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #5  0x00002b1f259c9aa1 in start_thread () from /lib64/libpthread.so.0
[0] #6  0x00002b1f25715bcd in clone () from /lib64/libc.so.6
[0] Thread 4 (Thread 0x2b1f48295700 (LWP 161799)):
[0] #0  0x00002b1f259cd68c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
[0] #1  0x00002b1f23709c4b in GASNetCondVar::wait() () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #2  0x00002b1f2300d20f in Realm::DmaRequestQueue::dequeue_request(bool) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #3  0x00002b1f23016865 in Realm::DmaRequestQueue::worker_thread_loop() () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #4  0x00002b1f2301f8fe in void Realm::Thread::thread_entry_wrapper<Realm::DmaRequestQueue, &(Realm::DmaRequestQueue::worker_thread_loop())>(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #5  0x00002b1f236f1f11 in Realm::KernelThread::pthread_entry(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #6  0x00002b1f259c9aa1 in start_thread () from /lib64/libpthread.so.0
[0] #7  0x00002b1f25715bcd in clone () from /lib64/libc.so.6
[0] Thread 3 (Thread 0x2b1f48496700 (LWP 161800)):
[0] #0  0x00002b1f256fc4a7 in sched_yield () from /lib64/libc.so.6
[0] #1  0x00002b1f236f3e1d in Realm::Thread::yield() () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #2  0x00002b1f233d93d8 in Realm::PartitioningOpQueue::worker_thread_loop() () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #3  0x00002b1f233f8598 in void Realm::Thread::thread_entry_wrapper<Realm::PartitioningOpQueue, &(Realm::PartitioningOpQueue::worker_thread_loop())>(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #4  0x00002b1f236f1f11 in Realm::KernelThread::pthread_entry(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #5  0x00002b1f259c9aa1 in start_thread () from /lib64/libpthread.so.0
[0] #6  0x00002b1f25715bcd in clone () from /lib64/libc.so.6
[0] Thread 2 (Thread 0x2b1f48697700 (LWP 161801)):
[0] #0  0x00002b1f259cd68c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
[0] #1  0x00002b1f22fcba15 in Realm::XferDesQueue::dequeue_xferDes(Realm::DMAThread*, bool) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #2  0x00002b1f22fc7926 in Realm::DMAThread::dma_thread_loop() () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #3  0x00002b1f22fd19e2 in void Realm::Thread::thread_entry_wrapper<Realm::DMAThread, &(Realm::DMAThread::dma_thread_loop())>(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #4  0x00002b1f236f1f11 in Realm::KernelThread::pthread_entry(void*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #5  0x00002b1f259c9aa1 in start_thread () from /lib64/libpthread.so.0
[0] #6  0x00002b1f25715bcd in clone () from /lib64/libc.so.6
[0] Thread 1 (Thread 0x2b1f269d3d20 (LWP 161796)):
[0] #0  0x00002b1f256fc4a7 in sched_yield () from /lib64/libc.so.6
[0] #1  0x00002b1f23754a58 in gasneti_system_redirected_coprocess () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #2  0x00002b1f2375609d in gasneti_print_backtrace () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #3  0x00002b1f237af8e9 in gasneti_defaultSignalHandler () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/librealm.so.1
[0] #4  <signal handler called>
[0] #5  0x00002b1f21b64f1f in Legion::Internal::MPIRankTable::MPIRankTable(Legion::Internal::Runtime*) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/liblegion.so.1
[0] #6  0x00002b1f21b7cb07 in Legion::Internal::Runtime::Runtime(Realm::Machine, Legion::Internal::Runtime::LegionConfiguration const&, Legion::InputArgs, unsigned int, std::set<Realm::Processor, std::less<Realm::Processor>, std::allocator<Realm::Processor> > const&, std::set<Realm::Processor, std::less<Realm::Processor>, std::allocator<Realm::Processor> > const&, std::set<unsigned int, std::less<unsigned int>, std::allocator<unsigned int> > const&, std::map<Realm::Processor, unsigned int, std::less<Realm::Processor>, std::allocator<std::pair<Realm::Processor const, unsigned int> > > const&) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/liblegion.so.1
[0] #7  0x00002b1f21ba0551 in Legion::Internal::Runtime::configure_runtime(int, char**, Legion::Internal::Runtime::LegionConfiguration const&, Realm::Runtime&, Realm::Processor::Kind&) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/liblegion.so.1
[0] #8  0x00002b1f21b9e26c in Legion::Internal::Runtime::start(int, char**, bool) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/liblegion.so.1
[0] #9  0x00002b1f2176559b in Legion::Runtime::start(int, char**, bool) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi-third-party/install/wolf/gcc-6.4.0/lib64/liblegion.so.1
[0] #10 0x00002b1f204bf166 in flecsi::execution::legion_context_policy_t::initialize(int, char**) () from /turquoise/usr/projects/nsmergers/FleCSI-devel/flecsi/install/wolf/gcc-6.4.0/lib64/libFleCSI.so
[0] #11 0x000000000048c868 in main ()