Thread 166 (Thread 0x7fff4bfff6c0 (LWP 61680) "QXcbEventQueue"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007ffff271600a in _xcb_conn_wait.part.0 () at /lib64/libxcb.so.1
#2  0x00007ffff271790c in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fffbc0ac35a in QXcbEventQueue::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007fff4b2f5bbd in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#6  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 165 (Thread 0x7fff9d1fc6c0 (LWP 61679) "QDBusConnection"):
#0  0x00007ffff2a45100 in ppoll () at /lib64/libc.so.6
#1  0x00007fff4b5029fd in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007fff4b503e7f in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007fff4b4b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fff4b2f47b0 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007fff9ef83dab in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#6  0x00007fff4b2f5bbd in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#8  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6
--Type <RET> for more, q to quit, c to continue without paging--

Thread 164 (Thread 0x7fff4affd6c0 (LWP 61674) "LV2Worker"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x182d35f0) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff74b040d in ARDOUR::Worker::run (this=0x182d35d0) at ../libs/ardour/worker.cc:145
#3  0x00007ffff74b1a51 in boost::_mfi::mf0<void, ARDOUR::Worker>::operator() (this=0x18f4f350, p=0x182d35d0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff74b1877 in boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list0> (this=0x18f4f360, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#5  0x00007ffff74b1769 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >::operator() (this=0x18f4f350) at /usr/include/boost/bind/bind.hpp:1273
#6  0x00007ffff74b16b4 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#7  0x000000000075ae62 in boost::function0<void>::operator() (this=0x18f4f348) at /usr/include/boost/function/function_template.hpp:763
#8  0x00007ffff51f1cd1 in PBD::Thread::_run (arg=0x18f4f320) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#10 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 132 (Thread 0x7fff7cdfd6c0 (LWP 61566) "AutomationWatch"):
#0  0x00007ffff2a161a3 in clock_nanosleep@GLIBC_2.2.5 () at /lib64/libc.so.6
#1  0x00007ffff2a28a37 in nanosleep () at /lib64/libc.so.6
#2  0x00007ffff4edf85e in g_usleep () at /lib64/libglib-2.0.so.0
#3  0x00007ffff6e241ed in ARDOUR::AutomationWatch::thread (this=0x74f5850) at ../libs/ardour/automation_watch.cc:207
#4  0x00007ffff6e291f5 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x5e72f20, p=0x74f5850) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6e28e97 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x5e72f30, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6e2887d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x5e72f20) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6e2831e in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x5e72f18) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007ffff51f1cd1 in PBD::Thread::_run (arg=0x5e72ef0) at ../libs/pbd/pthread_utils.cc:488
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 131 (Thread 0x7fff9e9ff6c0 (LWP 61565) "autoconnect"):
#0  0x00007ffff29c8169 in __futex_abstimed_wait_common () at /lib64/libc.so.6
#1  0x00007ffff29cab09 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007ffff72ec33a in ARDOUR::Session::auto_connect_thread_run (this=0x4bc9cb0) at ../libs/ardour/session.cc:7635
#3  0x00007ffff72ebcdb in ARDOUR::Session::auto_connect_thread (arg=0x4bc9cb0) at ../libs/ardour/session.cc:7566
#4  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#5  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

--Type <RET> for more, q to quit, c to continue without paging--
Thread 130 (Thread 0x7fff7ffff6c0 (LWP 61564) "SessionSignals"):
#0  0x00007ffff29c8169 in __futex_abstimed_wait_common () at /lib64/libc.so.6
#1  0x00007ffff29cab09 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007ffff7376326 in ARDOUR::Session::emit_thread_run (this=0x4bc9cb0) at ../libs/ardour/session_process.cc:1241
#3  0x00007ffff73762cf in ARDOUR::Session::emit_thread (arg=0x4bc9cb0) at ../libs/ardour/session_process.cc:1230
#4  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#5  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 129 (Thread 0x7fff9ffff6c0 (LWP 61563) "ArdourGUI"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007ffff3526785 in handle_events () at /lib64/libusb-1.0.so.0
#2  0x00007ffff35285d0 in libusb_handle_events_timeout_completed () at /lib64/libusb-1.0.so.0
#3  0x00007ffff3528632 in libusb_handle_events () at /lib64/libusb-1.0.so.0
#4  0x00007ffff6e506c0 in usb_hotplug_thread (user_data=0x1e76ba0) at ../libs/ardour/control_protocol_manager.cc:87
#5  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#6  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 128 (Thread 0x7fff7f7fe6c0 (LWP 61562) "libusb_event"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007ffff3523583 in linux_udev_event_thread_main () at /lib64/libusb-1.0.so.0
#2  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#3  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 127 (Thread 0x7fffbccc36c0 (LWP 61551) "midiUI"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007ffff4f0beb4 in g_main_context_iterate_unlocked.isra () at /lib64/libglib-2.0.so.0
#2  0x00007ffff4eb2447 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007ffff51b359d in BaseUI::main_thread (this=0x3ff3910) at ../libs/pbd/base_ui.cc:102
#4  0x00007ffff51b7d8f in boost::_mfi::mf0<void, BaseUI>::operator() (this=0x74339e0, p=0x3ff3910) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff51b7abd in boost::_bi::list1<boost::_bi::value<BaseUI*> >::operator()<boost::_mfi::mf0<void, BaseUI>, boost::_bi::list0> (this=0x74339f0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff51b76c9 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >::operator() (this=0x74339e0) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff51b7231 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x74339d8) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007ffff51f1cd1 in PBD::Thread::_run (arg=0x74339b0) at ../libs/pbd/pthread_utils.cc:488
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 126 (Thread 0x7fffbd1b26c0 (LWP 61550) "butler"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
--Type <RET> for more, q to quit, c to continue without paging--
#1  0x00007ffff51cb0e0 in CrossThreadChannel::poll_for_request (this=0x370d708) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff51cb14f in CrossThreadChannel::receive (this=0x370d708, msg=@0x7fffbd1b11bf: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff6e3935a in ARDOUR::Butler::thread_work (this=0x370d660) at ../libs/ardour/butler.cc:188
#4  0x00007ffff6e390d4 in ARDOUR::Butler::_thread_work (arg=0x370d660) at ../libs/ardour/butler.cc:170
#5  0x00007ffff51f118e in fake_thread_start (arg=0x73bcc80) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#7  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 117 (Thread 0x7fffbd313a40 (LWP 61535) "RT-10-0x7fffbd3"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd312f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd312f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd312f08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd312f00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x3c346a0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 116 (Thread 0x7fffbd397a40 (LWP 61534) "RT-9-0x7fffbd39"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd396f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd396f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd396f08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd396f00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x44c3530) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

--Type <RET> for more, q to quit, c to continue without paging--
Thread 115 (Thread 0x7fffbd591a40 (LWP 61533) "RT-8-0x7fffbd59"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf770) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a084 in ARDOUR::Graph::reached_terminal_node (this=0x3aaf630) at ../libs/ardour/graph.cc:267
#3  0x00007ffff6f87137 in ARDOUR::GraphNode::finish (this=0x7456718, chain=0x7fffa0098240) at ../libs/ardour/graphnode.cc:101
#4  0x00007ffff6f8701c in ARDOUR::GraphNode::run (this=0x7456718, chain=0x7fffa0098240) at ../libs/ardour/graphnode.cc:68
#5  0x00007ffff6f7aa19 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:344
#6  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#7  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd590f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd590f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#9  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd590f08) at /usr/include/boost/bind/bind.hpp:1273
#10 0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#11 0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd590f00) at /usr/include/boost/function/function_template.hpp:763
#12 0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x485c6f0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#13 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#14 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 114 (Thread 0x7fffbd615a40 (LWP 61532) "RT-7-0x7fffbd61"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd614f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd614f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd614f08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd614f00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x4ac0b50) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 113 (Thread 0x7fffbd699a40 (LWP 61531) "RT-6-0x7fffbd69"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
--Type <RET> for more, q to quit, c to continue without paging--
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd698f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd698f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd698f08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd698f00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x4a96e10) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 112 (Thread 0x7fffbd71da40 (LWP 61530) "RT-5-0x7fffbd71"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd71cf08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd71cf18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd71cf08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd71cf00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x4ba9e60) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 111 (Thread 0x7fffbd7a1a40 (LWP 61529) "RT-4-0x7fffbd7a"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd7a0f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd7a0f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd7a0f08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd7a0f00) at /usr/include/boost/function/function_template.hpp:763
--Type <RET> for more, q to quit, c to continue without paging--
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x4ba20d0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 110 (Thread 0x7fffbd825a40 (LWP 61528) "RT-3-0x7fffbd82"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd824f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd824f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd824f08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd824f00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x4ba17d0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 109 (Thread 0x7fffbd8a9a40 (LWP 61527) "RT-2-0x7fffbd8a"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd8a8f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd8a8f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd8a8f08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd8a8f00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x29be6e0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 108 (Thread 0x7fffbd92da40 (LWP 61526) "RT-1-0x7fffbd92"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
--Type <RET> for more, q to quit, c to continue without paging--
#3  0x00007ffff6f7ae21 in ARDOUR::Graph::helper_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd92cf08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd92cf18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd92cf08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd92cf00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x4ba2110) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 107 (Thread 0x7fffbd9b1a40 (LWP 61525) "RT-main-0x7fffb"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff51f7bbc in PBD::Semaphore::wait (this=0x3aaf764) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6f7a809 in ARDOUR::Graph::run_one (this=0x3aaf630) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6f7b373 in ARDOUR::Graph::main_thread (this=0x3aaf630) at ../libs/ardour/graph.cc:425
#4  0x00007ffff6f86443 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbd9b0f08, p=0x3aaf630) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6f85c61 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffbd9b0f18, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#6  0x00007ffff6f84ad7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffbd9b0f08) at /usr/include/boost/bind/bind.hpp:1273
#7  0x00007ffff6f835af in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x000000000075ae62 in boost::function0<void>::operator() (this=0x7fffbd9b0f00) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffbffa6506 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x4a3bdf0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#11 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 58 (Thread 0x7fff9e1fe6c0 (LWP 61467) "ALSA-MIDI-LIST"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007fffbffa7715 in ARDOUR::AlsaAudioBackend::midi_device_thread (this=0x2249fb0) at ../libs/backends/alsa/alsa_audiobackend.cc:1413
#2  0x00007fffbffa75b7 in ARDOUR::AlsaAudioBackend::_midi_device_thread (arg=0x2249fb0) at ../libs/backends/alsa/alsa_audiobackend.cc:1376
#3  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#4  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 57 (Thread 0x7fffbd4e1a40 (LWP 61466) "AudioEngine 1"):
#0  0x00007ffff2a45100 in ppoll () at /lib64/libc.so.6
#1  0x00007fffbffd8639 in Alsa_pcmi::pcm_wait (this=0x23d0df0) at ../libs/backends/alsa/zita-alsa-pcmi.cc:178
#2  0x00007fffbffaa1c0 in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x2249fb0) at ../libs/backends/alsa/alsa_audiobackend.cc:1863
#3  0x00007fffbffa3d56 in pthread_process (arg=0x2249fb0) at ../libs/backends/alsa/alsa_audiobackend.cc:806
--Type <RET> for more, q to quit, c to continue without paging--
#4  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#5  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 56 (Thread 0x7fffbd4eda40 (LWP 61465) "AlsaMidiIO"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007fffbffd2489 in ARDOUR::AlsaRawMidiIn::main_process_thread (this=0x23df750) at ../libs/backends/alsa/alsa_rawmidi.cc:255
#2  0x00007fffbffcfabd in pthread_process (arg=0x23dfba8) at ../libs/backends/alsa/alsa_midi.cc:68
#3  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#4  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 55 (Thread 0x7fffbd4f9a40 (LWP 61464) "AlsaMidiIO"):
#0  0x00007ffff29c8169 in __futex_abstimed_wait_common () at /lib64/libc.so.6
#1  0x00007ffff29cab09 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007fffbffd1d53 in ARDOUR::AlsaRawMidiOut::main_process_thread (this=0x2c07450) at ../libs/backends/alsa/alsa_rawmidi.cc:150
#3  0x00007fffbffcfabd in pthread_process (arg=0x2c07468) at ../libs/backends/alsa/alsa_midi.cc:68
#4  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#5  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 54 (Thread 0x7fff9d9fd6c0 (LWP 61463) "ExecStdOut"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007ffff5207a89 in PBD::SystemExec::output_interposer (this=0x237c690) at ../libs/pbd/system_exec.cc:890
#2  0x00007ffff5206bd4 in interposer_thread (arg=0x237c690) at ../libs/pbd/system_exec.cc:282
#3  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#4  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 17 (Thread 0x7fffbe4fc6c0 (LWP 61419) "gdbus"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007ffff4f0beb4 in g_main_context_iterate_unlocked.isra () at /lib64/libglib-2.0.so.0
#2  0x00007ffff4eb2447 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007ffff4481592 in gdbus_shared_thread_func.lto_priv () at /lib64/libgio-2.0.so.0
#4  0x00007ffff4ee1523 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#6  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 16 (Thread 0x7fffbf5fe6c0 (LWP 61418) "gmain"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
#1  0x00007ffff4f0beb4 in g_main_context_iterate_unlocked.isra () at /lib64/libglib-2.0.so.0
#2  0x00007ffff4eaead3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007ffff4eaeb29 in glib_worker_main () at /lib64/libglib-2.0.so.0
#4  0x00007ffff4ee1523 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#6  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6
--Type <RET> for more, q to quit, c to continue without paging--

Thread 15 (Thread 0x7fffbedfd6c0 (LWP 61417) "pool-spawner"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff4f08b2d in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff4e7c22b in g_async_queue_pop_intern_unlocked () at /lib64/libglib-2.0.so.0
#3  0x00007ffff4ee5393 in g_thread_pool_spawn_thread () at /lib64/libglib-2.0.so.0
#4  0x00007ffff4ee1523 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#6  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 10 (Thread 0x7fffd0c306c0 (LWP 61403) "DeviceList"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff4f08b2d in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff6db72af in ARDOUR::AudioEngine::do_devicelist_update (this=0x25fe3a0) at ../libs/ardour/audioengine.cc:760
#3  0x00007ffff6dc64a1 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x260e5e0, p=0x25fe3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6dc5b5b in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x260e5f0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#5  0x00007ffff6dc5199 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x260e5e0) at /usr/include/boost/bind/bind.hpp:1273
#6  0x00007ffff6dc4721 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#7  0x000000000075ae62 in boost::function0<void>::operator() (this=0x260e5d8) at /usr/include/boost/function/function_template.hpp:763
#8  0x00007ffff51f1cd1 in PBD::Thread::_run (arg=0x260e5b0) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#10 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 9 (Thread 0x7fffd1e116c0 (LWP 61402) "EngineWatchdog"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff4f08b2d in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff6db6fa1 in ARDOUR::AudioEngine::do_reset_backend (this=0x25fe3a0) at ../libs/ardour/audioengine.cc:724
#3  0x00007ffff6dc64a1 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x260ea80, p=0x25fe3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6dc5b5b in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x260ea90, f=..., a=...) at /usr/include/boost/bind/bind.hpp:238
#5  0x00007ffff6dc5199 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x260ea80) at /usr/include/boost/bind/bind.hpp:1273
#6  0x00007ffff6dc4721 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#7  0x000000000075ae62 in boost::function0<void>::operator() (this=0x260ea78) at /usr/include/boost/function/function_template.hpp:763
#8  0x00007ffff51f1cd1 in PBD::Thread::_run (arg=0x260ea50) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#10 0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6


--Type <RET> for more, q to quit, c to continue without paging--
Thread 6 (Thread 0x7fffd3fff6c0 (LWP 61399) "Analyzer"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff4f08b2d in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff6d6545b in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:95
#3  0x00000000010f17cf in sigc::pointer_functor0<void>::operator() (this=0x1ec25f0) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00007ffff6d6858c in boost::detail::function::void_function_obj_invoker0<sigc::pointer_functor0<void>, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#5  0x000000000075ae62 in boost::function0<void>::operator() (this=0x1ec25e8) at /usr/include/boost/function/function_template.hpp:763
#6  0x00007ffff51f1cd1 in PBD::Thread::_run (arg=0x1ec25c0) at ../libs/pbd/pthread_utils.cc:488
#7  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#8  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 5 (Thread 0x7fffe0c736c0 (LWP 61398) "PeakFileBuilder"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff4f08b2d in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff741b3a7 in peak_thread_work () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff7f3337a in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /usr/include/boost/function/function_template.hpp:117
#4  0x000000000075ae62 in boost::function0<void>::operator() (this=0x1ec3ac8) at /usr/include/boost/function/function_template.hpp:763
#5  0x00007ffff51f1cd1 in PBD::Thread::_run (arg=0x1ec3aa0) at ../libs/pbd/pthread_utils.cc:488
#6  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#7  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 4 (Thread 0x7fffe14746c0 (LWP 61397) "PeakFileBuilder"):
#0  0x00007ffff2a505ed in syscall () at /lib64/libc.so.6
#1  0x00007ffff4f08b2d in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff741b3a7 in peak_thread_work () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff7f3337a in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /usr/include/boost/function/function_template.hpp:117
#4  0x000000000075ae62 in boost::function0<void>::operator() (this=0x1ec35e8) at /usr/include/boost/function/function_template.hpp:763
#5  0x00007ffff51f1cd1 in PBD::Thread::_run (arg=0x1ec35c0) at ../libs/pbd/pthread_utils.cc:488
#6  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#7  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 3 (Thread 0x7fffe1c756c0 (LWP 61396) "LXVSTEventLoop"):
#0  0x00007ffff2a161a3 in clock_nanosleep@GLIBC_2.2.5 () at /lib64/libc.so.6
#1  0x00007ffff2a28a37 in nanosleep () at /lib64/libc.so.6
#2  0x00007ffff4edf85e in g_usleep () at /lib64/libglib-2.0.so.0
#3  0x00000000015d8b5b in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:468
#4  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#5  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6

Thread 2 (Thread 0x7fffe1dff6c0 (LWP 61395) "Trigger Worker"):
#0  0x00007ffff2a44bcd in poll () at /lib64/libc.so.6
--Type <RET> for more, q to quit, c to continue without paging--
#1  0x00007ffff51cb0e0 in CrossThreadChannel::poll_for_request (this=0x1e85fa0) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff51cb14f in CrossThreadChannel::receive (this=0x1e85fa0, msg=@0x7fffe1dfeabf: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff747d248 in ARDOUR::TriggerBoxThread::thread_work (this=0x1e85f70) at ../libs/ardour/triggerbox.cc:4880
#4  0x00007ffff747d1dc in ARDOUR::TriggerBoxThread::_thread_work (arg=0x1e85f70) at ../libs/ardour/triggerbox.cc:4868
#5  0x00007ffff51f118e in fake_thread_start (arg=0x1e131c0) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007ffff29cb897 in start_thread () at /lib64/libc.so.6
#7  0x00007ffff2a526fc in clone3 () at /lib64/libc.so.6