(lldb) thread backtrace all
  thread #1, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f620a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff7c2f5724 libsystem_kernel.dylib`mach_msg + 60
    frame #2: 0x00007fff53e11045 CoreFoundation`__CFRunLoopServiceMachPort + 341
    frame #3: 0x00007fff53e10397 CoreFoundation`__CFRunLoopRun + 1783
    frame #4: 0x00007fff53e0fa07 CoreFoundation`CFRunLoopRunSpecific + 487
    frame #5: 0x0000000105f35401 libjli.dylib`CreateExecutionEnvironment + 399
    frame #6: 0x0000000105f31592 libjli.dylib`JLI_Launch + 1354
    frame #7: 0x0000000105f2cca5 java`main + 367
    frame #8: 0x00007fff7c1af015 libdyld.dylib`start + 1
    frame #9: 0x00007fff7c1af015 libdyld.dylib`start + 1
  thread #2, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffd8a libsystem_kernel.dylib`__semwait_signal + 10
    frame #1: 0x00007fff7c4cb824 libsystem_pthread.dylib`_pthread_join + 626
    frame #2: 0x0000000105f35b54 libjli.dylib`CallJavaMainInNewThread + 143
    frame #3: 0x0000000105f347a8 libjli.dylib`ContinueInNewThread + 169
    frame #4: 0x0000000105f329cf libjli.dylib`JLI_Launch + 6535
    frame #5: 0x0000000105f2cca5 java`main + 367
    frame #6: 0x0000000105f361cc libjli.dylib`apple_main + 84
    frame #7: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #8: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #9: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #3, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c300292 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff7c4c7009 libsystem_pthread.dylib`_pthread_wqthread + 1035
    frame #2: 0x00007fff7c4c6be9 libsystem_pthread.dylib`start_wqthread + 13
  thread #4, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c3010a2 libsystem_kernel.dylib`poll + 10
    frame #1: 0x0000000125c83194 libnio.dylib`Java_sun_nio_ch_Net_poll + 76
    frame #2: 0x0000000111eefc1e
    frame #3: 0x0000000111ee6a80
    frame #4: 0x0000000111ee7043
    frame #5: 0x0000000111ee6a80
    frame #6: 0x0000000111ee6a80
    frame #7: 0x0000000111ee6a80
    frame #8: 0x0000000111ee6a80
    frame #9: 0x0000000111ee6a80
    frame #10: 0x0000000111ee7043
    frame #11: 0x0000000111ee6a80
    frame #12: 0x0000000111ee6a80
    frame #13: 0x0000000111ee7043
    frame #14: 0x0000000111edd9ca
    frame #15: 0x000000010752bb7e libjvm.dylib`JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*) + 938
    frame #16: 0x00000001075bbee8 libjvm.dylib`jni_invoke_static(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*) + 260
    frame #17: 0x00000001075c2787 libjvm.dylib`jni_CallStaticVoidMethod + 559
    frame #18: 0x0000000105f33882 libjli.dylib`JavaMain + 2740
    frame #19: 0x0000000105f35b8a libjli.dylib`ThreadJavaMain + 9
    frame #20: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #21: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #22: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #5, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x0000000107ba0f9a libjvm.dylib`SemaphoreGangTaskDispatcher::worker_wait_for_task() + 22
    frame #3: 0x0000000107ba07f4 libjvm.dylib`GangWorker::loop() + 26
    frame #4: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #5: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #6: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #7: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #8: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #6, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d8f0 libjvm.dylib`os::PlatformMonitor::wait(long) + 224
    frame #3: 0x00000001078ec22f libjvm.dylib`Monitor::wait_without_safepoint_check(long) + 169
    frame #4: 0x000000010742071a libjvm.dylib`G1ConcurrentMarkThread::sleep_before_next_cycle() + 126
    frame #5: 0x0000000107420024 libjvm.dylib`G1ConcurrentMarkThread::run_service() + 172
    frame #6: 0x00000001073275df libjvm.dylib`ConcurrentGCThread::run() + 45
    frame #7: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #8: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #9: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #10: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #11: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #7, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x0000000107ba0f9a libjvm.dylib`SemaphoreGangTaskDispatcher::worker_wait_for_task() + 22
    frame #3: 0x0000000107ba07f4 libjvm.dylib`GangWorker::loop() + 26
    frame #4: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #5: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #6: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #7: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #8: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #8, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x000000010742229c libjvm.dylib`G1ConcurrentRefineThread::wait_for_completed_buffers() + 132
    frame #3: 0x0000000107422449 libjvm.dylib`G1ConcurrentRefineThread::run_service() + 67
    frame #4: 0x00000001073275df libjvm.dylib`ConcurrentGCThread::run() + 45
    frame #5: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #6: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #7: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #8: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #9: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #9, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d877 libjvm.dylib`os::PlatformMonitor::wait(long) + 103
    frame #3: 0x00000001078ec22f libjvm.dylib`Monitor::wait_without_safepoint_check(long) + 169
    frame #4: 0x000000010748a6f6 libjvm.dylib`G1YoungRemSetSamplingThread::sleep_before_next_cycle() + 66
    frame #5: 0x000000010748aa15 libjvm.dylib`G1YoungRemSetSamplingThread::run_service() + 135
    frame #6: 0x00000001073275df libjvm.dylib`ConcurrentGCThread::run() + 45
    frame #7: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #8: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #9: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #10: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #11: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
* thread #10, stop reason = signal SIGSTOP
  * frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d877 libjvm.dylib`os::PlatformMonitor::wait(long) + 103
    frame #3: 0x00000001078ec22f libjvm.dylib`Monitor::wait_without_safepoint_check(long) + 169
    frame #4: 0x0000000107b6e1e7 libjvm.dylib`VMThread::loop() + 1195
    frame #5: 0x0000000107b6dc1c libjvm.dylib`VMThread::run() + 184
    frame #6: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #7: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #8: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #9: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #10: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #11, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d8f0 libjvm.dylib`os::PlatformMonitor::wait(long) + 224
    frame #3: 0x00000001078ec40d libjvm.dylib`Monitor::wait(long, bool) + 447
    frame #4: 0x000000010764599e libjvm.dylib`JVM_WaitForReferencePendingList + 252
    frame #5: 0x0000000111eefc1e
    frame #6: 0x0000000111ee7043
    frame #7: 0x0000000111ee7043
    frame #8: 0x0000000111edd9ca
    frame #9: 0x000000010752bb7e libjvm.dylib`JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*) + 938
    frame #10: 0x000000010752a69d libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Klass*, Symbol*, Symbol*, JavaCallArguments*, Thread*) + 499
    frame #11: 0x000000010752a7ae libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Handle, Klass*, Symbol*, Symbol*, Thread*) + 88
    frame #12: 0x0000000107641c9e libjvm.dylib`thread_entry(JavaThread*, Thread*) + 319
    frame #13: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #14: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #15: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #16: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #17: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #18: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #19: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #12, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793cbe1 libjvm.dylib`os::PlatformEvent::park() + 231
    frame #3: 0x000000010791303e libjvm.dylib`ObjectMonitor::wait(long, bool, Thread*) + 950
    frame #4: 0x0000000107a74e96 libjvm.dylib`ObjectSynchronizer::wait(Handle, long, Thread*) + 506
    frame #5: 0x0000000107624bfc libjvm.dylib`JVM_MonitorWait + 631
    frame #6: 0x0000000111eefc1e
    frame #7: 0x0000000111ee7043
    frame #8: 0x0000000111ee6dc0
    frame #9: 0x0000000111ee6dc0
    frame #10: 0x0000000111edd9ca
    frame #11: 0x000000010752bb7e libjvm.dylib`JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*) + 938
    frame #12: 0x000000010752a69d libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Klass*, Symbol*, Symbol*, JavaCallArguments*, Thread*) + 499
    frame #13: 0x000000010752a7ae libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Handle, Klass*, Symbol*, Symbol*, Thread*) + 88
    frame #14: 0x0000000107641c9e libjvm.dylib`thread_entry(JavaThread*, Thread*) + 319
    frame #15: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #16: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #17: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #18: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #19: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #20: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #21: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #13, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x0000000107934784 libjvm.dylib`os::signal_wait() + 246
    frame #3: 0x000000010792e6a9 libjvm.dylib`signal_thread_entry(JavaThread*, Thread*) + 1103
    frame #4: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #5: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #6: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #7: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #8: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #9: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #10: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #14, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d8f0 libjvm.dylib`os::PlatformMonitor::wait(long) + 224
    frame #3: 0x00000001078ec22f libjvm.dylib`Monitor::wait_without_safepoint_check(long) + 169
    frame #4: 0x00000001079dfdac libjvm.dylib`ServiceThread::service_thread_entry(JavaThread*, Thread*) + 470
    frame #5: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #6: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #7: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #8: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #9: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #10: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #11: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #15, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d877 libjvm.dylib`os::PlatformMonitor::wait(long) + 103
    frame #3: 0x00000001078ec40d libjvm.dylib`Monitor::wait(long, bool) + 447
    frame #4: 0x000000010730fdf3 libjvm.dylib`CompileQueue::get() + 201
    frame #5: 0x0000000107313a20 libjvm.dylib`CompileBroker::compiler_thread_loop() + 498
    frame #6: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #7: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #8: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #9: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #10: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #11: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #12: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #16, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d877 libjvm.dylib`os::PlatformMonitor::wait(long) + 103
    frame #3: 0x00000001078ec40d libjvm.dylib`Monitor::wait(long, bool) + 447
    frame #4: 0x000000010730fdf3 libjvm.dylib`CompileQueue::get() + 201
    frame #5: 0x0000000107313a20 libjvm.dylib`CompileBroker::compiler_thread_loop() + 498
    frame #6: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #7: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #8: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #9: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #10: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #11: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #12: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #17, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d877 libjvm.dylib`os::PlatformMonitor::wait(long) + 103
    frame #3: 0x00000001078ec22f libjvm.dylib`Monitor::wait_without_safepoint_check(long) + 169
    frame #4: 0x0000000107a6a6b1 libjvm.dylib`NMethodSweeper::sweeper_loop() + 191
    frame #5: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #6: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #7: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #8: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #9: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #10: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #11: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #18, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793cde1 libjvm.dylib`os::PlatformEvent::park(long) + 285
    frame #3: 0x0000000107912fdc libjvm.dylib`ObjectMonitor::wait(long, bool, Thread*) + 852
    frame #4: 0x0000000107a74e96 libjvm.dylib`ObjectSynchronizer::wait(Handle, long, Thread*) + 506
    frame #5: 0x0000000107624bfc libjvm.dylib`JVM_MonitorWait + 631
    frame #6: 0x0000000111eefc1e
    frame #7: 0x0000000111ee7043
    frame #8: 0x0000000111ee6dc0
    frame #9: 0x0000000111ee7088
    frame #10: 0x0000000111ee7043
    frame #11: 0x0000000111edd9ca
    frame #12: 0x000000010752bb7e libjvm.dylib`JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*) + 938
    frame #13: 0x000000010752a69d libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Klass*, Symbol*, Symbol*, JavaCallArguments*, Thread*) + 499
    frame #14: 0x000000010752a7ae libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Handle, Klass*, Symbol*, Symbol*, Thread*) + 88
    frame #15: 0x0000000107641c9e libjvm.dylib`thread_entry(JavaThread*, Thread*) + 319
    frame #16: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #17: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #18: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #19: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #20: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #21: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #22: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #19, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d8f0 libjvm.dylib`os::PlatformMonitor::wait(long) + 224
    frame #3: 0x00000001078ec22f libjvm.dylib`Monitor::wait_without_safepoint_check(long) + 169
    frame #4: 0x000000010790547f libjvm.dylib`NotificationThread::notification_thread_entry(JavaThread*, Thread*) + 87
    frame #5: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #6: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #7: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #8: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #9: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #10: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #11: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #20, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d877 libjvm.dylib`os::PlatformMonitor::wait(long) + 103
    frame #3: 0x00000001078ec22f libjvm.dylib`Monitor::wait_without_safepoint_check(long) + 169
    frame #4: 0x0000000107abadfc libjvm.dylib`WatcherThread::sleep() const + 154
    frame #5: 0x0000000107abaf79 libjvm.dylib`WatcherThread::run() + 263
    frame #6: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #7: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #8: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #9: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #10: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #21, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d252 libjvm.dylib`Parker::park(bool, long) + 438
    frame #3: 0x0000000107aee78d libjvm.dylib`Unsafe_Park(JNIEnv_*, _jobject*, unsigned char, long) + 221
    frame #4: 0x0000000111eefc1e
    frame #5: 0x0000000111ee7043
    frame #6: 0x0000000111ee7043
    frame #7: 0x0000000111ee6b95
    frame #8: 0x0000000111ee6dc0
    frame #9: 0x0000000111ee6e96
    frame #10: 0x0000000111ee6dc0
    frame #11: 0x0000000111ee7043
    frame #12: 0x0000000111ee7088
    frame #13: 0x0000000111edd9ca
    frame #14: 0x000000010752bb7e libjvm.dylib`JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*) + 938
    frame #15: 0x000000010752a69d libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Klass*, Symbol*, Symbol*, JavaCallArguments*, Thread*) + 499
    frame #16: 0x000000010752a7ae libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Handle, Klass*, Symbol*, Symbol*, Thread*) + 88
    frame #17: 0x0000000107641c9e libjvm.dylib`thread_entry(JavaThread*, Thread*) + 319
    frame #18: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #19: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #20: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #21: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #22: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #23: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #24: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #22, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2ffa1e libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff7c4c8589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x000000010793d252 libjvm.dylib`Parker::park(bool, long) + 438
    frame #3: 0x0000000107aee78d libjvm.dylib`Unsafe_Park(JNIEnv_*, _jobject*, unsigned char, long) + 221
    frame #4: 0x0000000111eefc1e
    frame #5: 0x0000000111ee7043
    frame #6: 0x0000000111ee7043
    frame #7: 0x0000000111ee6dc0
    frame #8: 0x0000000111ee6dc0
    frame #9: 0x0000000111ee6e96
    frame #10: 0x0000000111ee6dc0
    frame #11: 0x0000000111ee7043
    frame #12: 0x0000000111ee7088
    frame #13: 0x0000000111edd9ca
    frame #14: 0x000000010752bb7e libjvm.dylib`JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*) + 938
    frame #15: 0x000000010752a69d libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Klass*, Symbol*, Symbol*, JavaCallArguments*, Thread*) + 499
    frame #16: 0x000000010752a7ae libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Handle, Klass*, Symbol*, Symbol*, Thread*) + 88
    frame #17: 0x0000000107641c9e libjvm.dylib`thread_entry(JavaThread*, Thread*) + 319
    frame #18: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #19: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #20: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #21: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #22: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #23: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #24: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #23, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2feeee libsystem_kernel.dylib`__accept + 10
    frame #1: 0x000000010718dadf libjvm.dylib`BsdAttachListener::dequeue() + 67
    frame #2: 0x000000010718df2e libjvm.dylib`AttachListener::dequeue() + 146
    frame #3: 0x000000010718c694 libjvm.dylib`attach_listener_thread_entry(JavaThread*, Thread*) + 647
    frame #4: 0x0000000107abc917 libjvm.dylib`JavaThread::thread_main_inner() + 417
    frame #5: 0x0000000107abc4c9 libjvm.dylib`JavaThread::run() + 573
    frame #6: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #7: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #8: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #9: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #10: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #24, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x0000000107ba0f9a libjvm.dylib`SemaphoreGangTaskDispatcher::worker_wait_for_task() + 22
    frame #3: 0x0000000107ba07f4 libjvm.dylib`GangWorker::loop() + 26
    frame #4: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #5: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #6: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #7: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #8: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #25, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x0000000107ba0f9a libjvm.dylib`SemaphoreGangTaskDispatcher::worker_wait_for_task() + 22
    frame #3: 0x0000000107ba07f4 libjvm.dylib`GangWorker::loop() + 26
    frame #4: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #5: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #6: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #7: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #8: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #26, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x0000000107ba0f9a libjvm.dylib`SemaphoreGangTaskDispatcher::worker_wait_for_task() + 22
    frame #3: 0x0000000107ba07f4 libjvm.dylib`GangWorker::loop() + 26
    frame #4: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #5: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #6: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #7: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #8: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #27, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x0000000107ba0f9a libjvm.dylib`SemaphoreGangTaskDispatcher::worker_wait_for_task() + 22
    frame #3: 0x0000000107ba07f4 libjvm.dylib`GangWorker::loop() + 26
    frame #4: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #5: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #6: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #7: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #8: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13
  thread #28, stop reason = signal SIGSTOP
    frame #0: 0x00007fff7c2f6246 libsystem_kernel.dylib`semaphore_wait_trap + 10
    frame #1: 0x00000001079df2c7 libjvm.dylib`OSXSemaphore::wait() + 17
    frame #2: 0x0000000107ba0f9a libjvm.dylib`SemaphoreGangTaskDispatcher::worker_wait_for_task() + 22
    frame #3: 0x0000000107ba07f4 libjvm.dylib`GangWorker::loop() + 26
    frame #4: 0x0000000107ab8e6d libjvm.dylib`Thread::call_run() + 283
    frame #5: 0x0000000107933018 libjvm.dylib`thread_native_entry(Thread*) + 224
    frame #6: 0x00007fff7c4c7661 libsystem_pthread.dylib`_pthread_body + 340
    frame #7: 0x00007fff7c4c750d libsystem_pthread.dylib`_pthread_start + 377
    frame #8: 0x00007fff7c4c6bf9 libsystem_pthread.dylib`thread_start + 13