Thread 69 (Thread 0x7fffac07b800 (LWP 12540)):
#0  0x00007fffeca7503d in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fffecaa2f74 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff730b7fc in ARDOUR::AutomationWatch::thread (this=0xa20e2f0)
    at ../libs/ardour/automation_watch.cc:137
#3  0x00007ffff730e345 in boost::_mfi::mf0<void,
ARDOUR::AutomationWatch>::operator() (
    this=0xb745490, p=0xa20e2f0)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff730df9c in
boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>,
#>boost::_bi::list0> (this=0xb7454a0, f=..., 
    a=...) at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#5  0x00007ffff730dbe1 in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::AutomationWatch>,
#boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >
#>::operator() (this=0xb745490)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff730db6c in sigc::adaptor_functor<boost::_bi::bind_t<void,
boost::_mfi::mf0<void, ARDOUR::AutomationWatch>,
#boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >
#>::operator() (this=0xb745490)
    at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff730d7fe in
/sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void,
/ARDOUR::AutomationWatch>,
/boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >,
/void>::call_it (rep=0xb745460)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff487e4ea in sigc::slot0<void>::operator()() const ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#9  0x00007ffff487e578 in call_thread_entry_slot ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#10 0x00007ffff40e91a1 in g_thread_proxy () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#11 0x00007ffff40875cd in g_deprecated_thread_proxy ()
   from /opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#12 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#14 0x0000000000000000 in ?? ()

Thread 68 (Thread 0x7fffac0f6800 (LWP 12539)):
#0  0x00007fffeed6052d in nanosleep () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff40ea850 in g_usleep () from
#/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#2  0x00007ffff4899478 in Glib::usleep(unsigned long) ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#3  0x00007ffff72b33f2 in ARDOUR::AudioEngine::meter_thread (this=0x23ae430)
    at ../libs/ardour/audioengine.cc:759
#4  0x00007ffff72c6427 in boost::_mfi::mf0<void,
ARDOUR::AudioEngine>::operator() (
    this=0x8df6640, p=0x23ae430)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff72c5e0e in
boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>,
#>boost::_bi::list0> (this=0x8df6650, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff72c520f in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::AudioEngine>,
#boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator()
#(this=0x8df6640)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff72c44fa in sigc::adaptor_functor<boost::_bi::bind_t<void,
boost::_mfi::mf0<void, ARDOUR::AudioEngine>,
#boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator()
#(
    this=0x8df6640)
    at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#8  0x00007ffff72c2de0 in
/sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void,
/ARDOUR::AudioEngine>,
/boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >,
/void>::call_it (rep=0x8df6610) at
//home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#9  0x00007ffff487e4ea in sigc::slot0<void>::operator()() const ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#10 0x00007ffff487e578 in call_thread_entry_slot ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#11 0x00007ffff40e91a1 in g_thread_proxy () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#12 0x00007ffff40875cd in g_deprecated_thread_proxy ()
   from /opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#13 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#15 0x0000000000000000 in ?? ()

Thread 51 (Thread 0x7fffe5050700 (LWP 12512)):
#0  0x00007fffeca9db03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff40ced9b in g_poll () from
#/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#2  0x00007ffff40be45a in g_main_context_poll ()
   from /opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#3  0x00007ffff40bddd8 in g_main_context_iterate ()
   from /opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#4  0x00007ffff40be23b in g_main_loop_run () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#5  0x00007ffff488e93a in Glib::MainLoop::run() ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#6  0x00007ffff5d7d45f in BaseUI::main_thread (this=0xa4982d0) at
../libs/pbd/base_ui.cc:80
#7  0x00007ffff5d80d73 in sigc::bound_mem_functor0<void, BaseUI>::operator()
#(this=0xa4bda58)
    at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#8  0x00007ffff5d80aa0 in
/sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator()
/(this=0xa4bda50)
    at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#9  0x00007ffff5d80457 in
/sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>,
/void>::call_it (rep=0xa4bda20) at
//home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#10 0x00007ffff487e4ea in sigc::slot0<void>::operator()() const ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#11 0x00007ffff487e578 in call_thread_entry_slot ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#12 0x00007ffff40e91a1 in g_thread_proxy () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#13 0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#15 0x0000000000000000 in ?? ()

Thread 50 (Thread 0x7fff94342800 (LWP 12511)):
#0  0x00007fffeca9db03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff731f472 in ARDOUR::Butler::thread_work (this=0xa7715f0)
    at ../libs/ardour/butler.cc:150
#2  0x00007ffff731f3f9 in ARDOUR::Butler::_thread_work (arg=0xa7715f0)
    at ../libs/ardour/butler.cc:134
#3  0x00007ffff5da8876 in fake_thread_start (arg=0xa498520) at
../libs/pbd/pthread_utils.cc:80
#4  0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 49 (Thread 0x7fffdc0f8700 (LWP 12510)):
#0  0x00007fffeed5efd0 in sem_wait () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73f545a in PBD::ProcessSemaphore::wait (this=0xac5c770)
    at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73f2cc1 in ARDOUR::Graph::restart_cycle (this=0xac5c690)
    at ../libs/ardour/graph.cc:254
#3  0x00007ffff73f2c8b in ARDOUR::Graph::dec_ref (this=0xac5c690) at
../libs/ardour/graph.cc:241
#4  0x00007ffff73f9b68 in ARDOUR::GraphNode::finish (this=0xb368d68,
#chain=0)
    at ../libs/ardour/graphnode.cc:71
#5  0x00007ffff73f3a1c in ARDOUR::Graph::run_one (this=0xac5c690) at
../libs/ardour/graph.cc:394
#6  0x00007ffff73f3b84 in ARDOUR::Graph::helper_thread (this=0xac5c690)
    at ../libs/ardour/graph.cc:411
#7  0x00007ffff73f8f89 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()
(
    this=0x7fffdc0f7ca8, p=0xac5c690)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff73f8bc2 in
boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
#>(this=0x7fffdc0f7cb8, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#9  0x00007ffff73f88b3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >
#>::operator() (this=0x7fffdc0f7ca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff73f8469 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
/home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#11 0x0000000000c1f167 in boost::function0<void>::operator()
/(this=0x7fffdc0f7ca0)
    at
/home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#12 0x00007ffff72b6cab in ARDOUR::AudioEngine::_start_process_thread
/(arg=0x232fd10)
    at ../libs/ardour/audioengine.cc:1566
#13 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#15 0x0000000000000000 in ?? ()

Thread 48 (Thread 0x7fffc8179700 (LWP 12509)):
#0  0x00007fffeed5efd0 in sem_wait () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73f545a in PBD::ProcessSemaphore::wait (this=0xac5c750)
    at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73f385c in ARDOUR::Graph::run_one (this=0xac5c690) at
../libs/ardour/graph.cc:380
#3  0x00007ffff73f3b84 in ARDOUR::Graph::helper_thread (this=0xac5c690)
    at ../libs/ardour/graph.cc:411
#4  0x00007ffff73f8f89 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()
(
    this=0x7fffc8178ca8, p=0xac5c690)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73f8bc2 in
boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
#>(this=0x7fffc8178cb8, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff73f88b3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >
#>::operator() (this=0x7fffc8178ca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73f8469 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
/home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8  0x0000000000c1f167 in boost::function0<void>::operator()
/(this=0x7fffc8178ca0)
    at
/home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9  0x00007ffff72b6cab in ARDOUR::AudioEngine::_start_process_thread
/(arg=0x232fd10)
    at ../libs/ardour/audioengine.cc:1566
#10 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 47 (Thread 0x7fffc80f8700 (LWP 12508)):
#0  0x00007fffeed5efd0 in sem_wait () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73f545a in PBD::ProcessSemaphore::wait (this=0xac5c750)
    at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73f385c in ARDOUR::Graph::run_one (this=0xac5c690) at
../libs/ardour/graph.cc:380
#3  0x00007ffff73f3b84 in ARDOUR::Graph::helper_thread (this=0xac5c690)
    at ../libs/ardour/graph.cc:411
#4  0x00007ffff73f8f89 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()
(
    this=0x7fffc80f7ca8, p=0xac5c690)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73f8bc2 in
boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
#>(this=0x7fffc80f7cb8, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff73f88b3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >
#>::operator() (this=0x7fffc80f7ca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73f8469 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
/home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8  0x0000000000c1f167 in boost::function0<void>::operator()
/(this=0x7fffc80f7ca0)
    at
/home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9  0x00007ffff72b6cab in ARDOUR::AudioEngine::_start_process_thread
/(arg=0x232fd10)
    at ../libs/ardour/audioengine.cc:1566
#10 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 46 (Thread 0x7fffc0188700 (LWP 12507)):
#0  0x00007fffeed5efd0 in sem_wait () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73f545a in PBD::ProcessSemaphore::wait (this=0xac5c750)
    at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73f385c in ARDOUR::Graph::run_one (this=0xac5c690) at
../libs/ardour/graph.cc:380
#3  0x00007ffff73f3b84 in ARDOUR::Graph::helper_thread (this=0xac5c690)
    at ../libs/ardour/graph.cc:411
#4  0x00007ffff73f8f89 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()
(
    this=0x7fffc0187ca8, p=0xac5c690)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73f8bc2 in
boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
#>(this=0x7fffc0187cb8, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff73f88b3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >
#>::operator() (this=0x7fffc0187ca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73f8469 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
/home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8  0x0000000000c1f167 in boost::function0<void>::operator()
/(this=0x7fffc0187ca0)
    at
/home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9  0x00007ffff72b6cab in ARDOUR::AudioEngine::_start_process_thread
/(arg=0x232fd10)
    at ../libs/ardour/audioengine.cc:1566
#10 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 45 (Thread 0x7fffc0107700 (LWP 12506)):
#0  0x00007fffeed5efd0 in sem_wait () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73f545a in PBD::ProcessSemaphore::wait (this=0xac5c750)
    at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73f385c in ARDOUR::Graph::run_one (this=0xac5c690) at
../libs/ardour/graph.cc:380
#3  0x00007ffff73f3b84 in ARDOUR::Graph::helper_thread (this=0xac5c690)
    at ../libs/ardour/graph.cc:411
#4  0x00007ffff73f8f89 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()
(
    this=0x7fffc0106ca8, p=0xac5c690)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73f8bc2 in
boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
#>(this=0x7fffc0106cb8, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff73f88b3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >
#>::operator() (this=0x7fffc0106ca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73f8469 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
/home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8  0x0000000000c1f167 in boost::function0<void>::operator()
/(this=0x7fffc0106ca0)
    at
/home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9  0x00007ffff72b6cab in ARDOUR::AudioEngine::_start_process_thread
/(arg=0x30e5350)
    at ../libs/ardour/audioengine.cc:1566
#10 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 44 (Thread 0x7fffc0086700 (LWP 12505)):
#0  0x00007fffeed5efd0 in sem_wait () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73f545a in PBD::ProcessSemaphore::wait (this=0xac5c750)
    at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73f385c in ARDOUR::Graph::run_one (this=0xac5c690) at
../libs/ardour/graph.cc:380
#3  0x00007ffff73f3b84 in ARDOUR::Graph::helper_thread (this=0xac5c690)
    at ../libs/ardour/graph.cc:411
#4  0x00007ffff73f8f89 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()
(
    this=0x7fffc0085ca8, p=0xac5c690)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73f8bc2 in
boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
#>(this=0x7fffc0085cb8, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff73f88b3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >
#>::operator() (this=0x7fffc0085ca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73f8469 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
/home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8  0x0000000000c1f167 in boost::function0<void>::operator()
/(this=0x7fffc0085ca0)
    at
/home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9  0x00007ffff72b6cab in ARDOUR::AudioEngine::_start_process_thread
/(arg=0x30e5350)
    at ../libs/ardour/audioengine.cc:1566
#10 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 43 (Thread 0x7fffac178700 (LWP 12504)):
#0  0x00007fffeed5efd0 in sem_wait () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73f545a in PBD::ProcessSemaphore::wait (this=0xac5c750)
    at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73f385c in ARDOUR::Graph::run_one (this=0xac5c690) at
../libs/ardour/graph.cc:380
#3  0x00007ffff73f3e7c in ARDOUR::Graph::main_thread (this=0xac5c690)
    at ../libs/ardour/graph.cc:449
#4  0x00007ffff73f8f89 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()
(
    this=0x7fffac177ca8, p=0xac5c690)
    at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73f8bc2 in
boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*>
#>::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
#>(this=0x7fffac177cb8, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff73f88b3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void,
ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >
#>::operator() (this=0x7fffac177ca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73f8469 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
/home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8  0x0000000000c1f167 in boost::function0<void>::operator()
/(this=0x7fffac177ca0)
    at
/home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9  0x00007ffff72b6cab in ARDOUR::AudioEngine::_start_process_thread
/(arg=0x30e5350)
    at ../libs/ardour/audioengine.cc:1566
#10 0x00007fffeed58e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7fffe4087700 (LWP 12464)):
#0  0x00007fffeed5f0c1 in sem_timedwait () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffeef93bd2 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffeef826c9 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffeef81217 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff72b2242 in ARDOUR::AudioEngine::process_thread
#(this=0x23ae430)
    at ../libs/ardour/audioengine.cc:437
#5  0x00007ffff72b1b30 in ARDOUR::AudioEngine::_process_thread
(arg=0x23ae430)
    at ../libs/ardour/audioengine.cc:335
#6  0x00007fffeef7fc47 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007fffeef931b0 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#8  0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7fffe47ce700 (LWP 12462)):
#0  0x00007fffeed5fd2d in read () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffeef94fba in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffeef97966 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffeef931b0 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7fffe484f700 (LWP 12461)):
#0  0x00007fffeed5cd84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffeef94804 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffeef8fdb1 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffeef931b0 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fffdffff700 (LWP 12450)):
#0  0x00007fffeed5cd84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff410b551 in g_cond_wait () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#2  0x00007ffff487ee17 in Glib::Cond::wait(Glib::Mutex&) ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#3  0x00007ffff725fee3 in ARDOUR::Analyser::work () at
../libs/ardour/analyser.cc:82
#4  0x00007ffff725fc11 in analyser_work () at ../libs/ardour/analyser.cc:46
#5  0x00000000011e7b1b in sigc::pointer_functor0<void>::operator()() const
#()
#6  0x00000000011e524c in sigc::adaptor_functor<sigc::pointer_functor0<void>
#>::operator()() const ()
#7  0x00000000011e1ab1 in
#sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it
    (rep=0x1f34590) at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff487e4ea in sigc::slot0<void>::operator()() const ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#9  0x00007ffff487e578 in call_thread_entry_slot ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#10 0x00007ffff40e91a1 in g_thread_proxy () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#11 0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#13 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fffe7473700 (LWP 12449)):
#0  0x00007fffeed5cd84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff410b551 in g_cond_wait () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#2  0x00007ffff487ee17 in Glib::Cond::wait(Glib::Mutex&) ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#3  0x00007ffff76afe0b in peak_thread_work () at
../libs/ardour/source_factory.cc:68
#4  0x00000000011e7b1b in sigc::pointer_functor0<void>::operator()() const
#()
#5  0x00000000011e524c in sigc::adaptor_functor<sigc::pointer_functor0<void>
#>::operator()() const ()
#6  0x00000000011e1ab1 in
#sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it
    (rep=0x1f33bc0) at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff487e4ea in sigc::slot0<void>::operator()() const ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#8  0x00007ffff487e578 in call_thread_entry_slot ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#9  0x00007ffff40e91a1 in g_thread_proxy () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#10 0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fffe7c74700 (LWP 12448)):
#0  0x00007fffeed5cd84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff410b551 in g_cond_wait () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#2  0x00007ffff487ee17 in Glib::Cond::wait(Glib::Mutex&) ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#3  0x00007ffff76afe0b in peak_thread_work () at
../libs/ardour/source_factory.cc:68
#4  0x00000000011e7b1b in sigc::pointer_functor0<void>::operator()() const
#()
#5  0x00000000011e524c in sigc::adaptor_functor<sigc::pointer_functor0<void>
#>::operator()() const ()
#6  0x00000000011e1ab1 in
#sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it
    (rep=0x1f39180) at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff487e4ea in sigc::slot0<void>::operator()() const ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#8  0x00007ffff487e578 in call_thread_entry_slot ()
   from /opt/Ardour-3.0beta5_13072/lib/libglibmm-2.4.so.1
#9  0x00007ffff40e91a1 in g_thread_proxy () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#10 0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fffe8475700 (LWP 12447)):
#0  0x00007fffeca7503d in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fffecaa2f74 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00000000014a809a in gui_event_loop (ptr=0x0) at
#../gtk2_ardour/linux_vst_gui_support.cc:363
#3  0x00007fffeed58e9a in start_thread () from
#/lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fffecaa94bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7fae900 (LWP 12442)):
#0  0x0000000001dcf390 in ?? ()
#1  0x00000000012d3720 in sigc::bound_mem_functor1<void, RouteUI,
#boost::shared_ptr<ARDOUR::Route> >::operator() (this=0x7c77a28, _A_a1=...)
    at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1851
#2  0x00000000012d223d in
/sigc::adaptor_functor<sigc::bound_mem_functor1<void, RouteUI,
/boost::shared_ptr<ARDOUR::Route> >
/>::operator()<boost::shared_ptr<ARDOUR::Route> const&> (this=0x7c77a20, 
    _A_arg1=...) at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84
#3  0x00000000012d0b58 in
/sigc::internal::slot_call1<sigc::bound_mem_functor1<void, RouteUI,
/boost::shared_ptr<ARDOUR::Route> >, void, boost::shared_ptr<ARDOUR::Route>
/>::call_it (rep=0x7c779f0, 
    a_1=...) at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:137
#4  0x00000000012d04cf in sigc::internal::signal_emit1<void,
/boost::shared_ptr<ARDOUR::Route>, sigc::nil>::emit (impl=0x7eaf660,
/_A_a1=...)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/signal.h:1006
#5  0x00000000012cef73 in sigc::signal1<void,
boost::shared_ptr<ARDOUR::Route>, sigc::nil>::emit
    (this=0x1b0a200, _A_a1=...) at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/signal.h:2777
#6  0x00000000012cd767 in sigc::signal1<void,
/boost::shared_ptr<ARDOUR::Route>, sigc::nil>::operator() (this=0x1b0a200,
/_A_a1=...)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/signal.h:2785
#7  0x00000000012cbbe6 in RouteUI::set_showing_sends_to (send_to=...)
    at ../gtk2_ardour/route_ui.cc:1946
#8  0x00000000012c52da in RouteUI::show_sends_press (this=0xc3fe250,
ev=0xc66c350)
    at ../gtk2_ardour/route_ui.cc:901
#9  0x00000000012d363a in sigc::bound_mem_functor1<bool, RouteUI,
_GdkEventButton*>::operator() (
    this=0xc403318, _A_a1=@0x7fffffffca50: 0xc66c350)
    at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1851
#10 0x00000000012d20f9 in
/sigc::adaptor_functor<sigc::bound_mem_functor1<bool, RouteUI,
/_GdkEventButton*> >::operator()<_GdkEventButton* const&> (this=0xc403310, 
    _A_arg1=@0x7fffffffca50: 0xc66c350)
    at
/home/harrison/a3/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84
#11 0x00000000012d09c8 in
/sigc::internal::slot_call1<sigc::bound_mem_functor1<bool, RouteUI,
/_GdkEventButton*>, bool, _GdkEventButton*>::call_it (rep=0xc4032e0,
/a_1=@0x7fffffffca50: 0xc66c350)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:137
#12 0x00007ffff1148f6f in sigc::slot1<bool,
_GdkEventButton*>::operator()(_GdkEventButton* const&) const () from
#/opt/Ardour-3.0beta5_13072/lib/libgtkmm-2.4.so.1
#13 0x00007ffff1199e6b in (anonymous
#namespace)::Widget_signal_button_press_event_callback(_GtkWidget*,
#_GdkEventButton*, void*) () from
#/opt/Ardour-3.0beta5_13072/lib/libgtkmm-2.4.so.1
#14 0x00007ffff36d74a4 in _gtk_marshal_BOOLEAN__BOXED ()
   from /opt/Ardour-3.0beta5_13072/lib/libgtk-x11-2.0.so.0
#15 0x00007ffff45ce6ae in g_closure_invoke ()
   from /opt/Ardour-3.0beta5_13072/lib/libgobject-2.0.so.0
#16 0x00007ffff45eaf83 in signal_emit_unlocked_R ()
   from /opt/Ardour-3.0beta5_13072/lib/libgobject-2.0.so.0
#17 0x00007ffff45ea2c6 in g_signal_emit_valist ()
   from /opt/Ardour-3.0beta5_13072/lib/libgobject-2.0.so.0
#18 0x00007ffff45ea787 in g_signal_emit ()
   from /opt/Ardour-3.0beta5_13072/lib/libgobject-2.0.so.0
#19 0x00007ffff385900e in gtk_widget_event_internal ()
   from /opt/Ardour-3.0beta5_13072/lib/libgtk-x11-2.0.so.0
#20 0x00007ffff3858b2e in gtk_widget_event ()
   from /opt/Ardour-3.0beta5_13072/lib/libgtk-x11-2.0.so.0
#21 0x00007ffff36d5a07 in gtk_propagate_event ()
   from /opt/Ardour-3.0beta5_13072/lib/libgtk-x11-2.0.so.0
#22 0x00007ffff36d42b3 in gtk_main_do_event ()
   from /opt/Ardour-3.0beta5_13072/lib/libgtk-x11-2.0.so.0
#23 0x00007ffff32fad76 in gdk_event_dispatch ()
   from /opt/Ardour-3.0beta5_13072/lib/libgdk-x11-2.0.so.0
#24 0x00007ffff40bcf71 in g_main_dispatch () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#25 0x00007ffff40bdc1b in g_main_context_dispatch ()
   from /opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#26 0x00007ffff40bde05 in g_main_context_iterate ()
   from /opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#27 0x00007ffff40be23b in g_main_loop_run () from
/opt/Ardour-3.0beta5_13072/lib/libglib-2.0.so.0
#28 0x00007ffff36d39d0 in gtk_main () from
#/opt/Ardour-3.0beta5_13072/lib/libgtk-x11-2.0.so.0
#29 0x00007ffff10f1145 in Gtk::Main::run_impl() ()
   from /opt/Ardour-3.0beta5_13072/lib/libgtkmm-2.4.so.1
#30 0x00007ffff10f0f37 in Gtk::Main::run() ()
   from /opt/Ardour-3.0beta5_13072/lib/libgtkmm-2.4.so.1
#31 0x00007ffff614f734 in Gtkmm2ext::UI::run (this=0x1cde800,
old_receiver=...)
    at ../libs/gtkmm2ext/gtk_ui.cc:268
#32 0x000000000102c948 in main (argc=1, argv=0x7fffffffd6f8) at
../gtk2_ardour/main.cc:455