(gdb) run Starting program: /opt/Ardour-5.6.0-dbg/bin/ardour-5.6.0 Missing separate debuginfos, use: dnf debuginfo-install glibc-2.23.1-10.fc24.x86_64 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". bind txt domain [gtk2_ardour5] to /opt/Ardour-5.6.0-dbg/share/locale Ardour5.6.0 (built using 5.6 and GCC version 5.3.1 20160205) ardour: [INFO]: Your system is configured to limit Ardour to only 4,096 open files ardour: [INFO]: Loading system configuration file /opt/Ardour-5.6.0-dbg/etc/system_config ardour: [INFO]: Loading user configuration file /home/timbyr/.config/ardour5/config [New Thread 0x7fffe1146700 (LWP 26971)] ardour: [INFO]: CPU vendor: GenuineIntel ardour: [INFO]: AVX-capable processor ardour: [INFO]: CPU brand: Intel(R) Core(TM) i7-2640M CPU @ 2.80GHz ardour: [INFO]: Using SSE optimized routines [New Thread 0x7fffe0945700 (LWP 26972)] [New Thread 0x7fffe0144700 (LWP 26973)] [New Thread 0x7fffdf943700 (LWP 26974)] [New Thread 0x7fffdcd89700 (LWP 26975)] [New Thread 0x7fffcffff700 (LWP 26976)] *** WEAK-JACK: initializing *** WEAK-JACK: OK. (0) ardour: [INFO]: Loading default ui configuration file /opt/Ardour-5.6.0-dbg/etc/default_ui_config ardour: [INFO]: Loading user ui configuration file /home/timbyr/.config/ardour5/ui_config Cannot xinstall SIGPIPE error handler Gtk-Message: Failed to load module "pk-gtk-module" Gtk-Message: Failed to load module "canberra-gtk-module" Color shuttle bg not found ardour: [INFO]: Loading color file /opt/Ardour-5.6.0-dbg/share/themes/dark-ardour.colors ardour: [INFO]: Loading ui configuration file /opt/Ardour-5.6.0-dbg/etc/clearlooks.rc ardour: [INFO]: Loading ui configuration file /opt/Ardour-5.6.0-dbg/etc/clearlooks.rc [New Thread 0x7fffce886800 (LWP 26977)] [New Thread 0x7fffce1f1700 (LWP 26978)] [New Thread 0x7fffcd9f0700 (LWP 26979)] [New Thread 0x7fffcd1ef700 (LWP 26980)] [New Thread 0x7fffcc9ee700 (LWP 26981)] [New Thread 0x7fffaffff700 (LWP 26982)] [New Thread 0x7fffaf7fe700 (LWP 26983)] Found nothing along /home/timbyr/.config/ardour5/templates:/opt/Ardour-5.6.0-dbg/share/templates run dialog [Thread 0x7fffaf7fe700 (LWP 26983) exited] [Thread 0x7fffaffff700 (LWP 26982) exited] [Thread 0x7fffcd1ef700 (LWP 26980) exited] [Thread 0x7fffcd9f0700 (LWP 26979) exited] curl failed: No Error [Thread 0x7fffce886800 (LWP 26977) exited] Detaching after vfork from child process 26984. [New Thread 0x7fffcd9f0700 (LWP 26985)] playback : nchan : 4 fsamp : 44100 fsize : 1024 nfrag : 2 format : S32_LE capture : nchan : 2 fsamp : 44100 fsize : 1024 nfrag : 2 format : S32_LE synced [New Thread 0x7fffcc12cd80 (LWP 26986)] protocol Ableton Push 2 active ? 0 protocol Open Sound Control (OSC) active ? 0 protocol PreSonus FaderPort active ? 0 protocol Generic MIDI active ? 0 protocol Mackie active ? 0 protocol Steinberg CC121 active ? 0 Scanning folders for bundled LV2s: /opt/Ardour-5.6.0-dbg/lib/LV2 KP is /home/timbyr/.config/ardour5/ardour.keys [New Thread 0x7fffaf7fe700 (LWP 26987)] [New Thread 0x7fffcd1ef700 (LWP 26988)] Detaching after vfork from child process 26989. [New Thread 0x7fffaffff700 (LWP 26990)] [Thread 0x7fffaffff700 (LWP 26990) exited] [Thread 0x7fffcd1ef700 (LWP 26988) exited] [Thread 0x7fffaf7fe700 (LWP 26987) exited] Detaching after vfork from child process 26991. [New Thread 0x7fffaffff700 (LWP 26992)] [Thread 0x7fffaffff700 (LWP 26992) exited] Set cursor set to default [New Thread 0x7fffaffff700 (LWP 26993)] [New Thread 0x7fffaf7fe700 (LWP 26994)] [New Thread 0x7fffcd1ef700 (LWP 26995)] [New Thread 0x7fffaeaf6700 (LWP 26996)] RESPONSE -1 [New Thread 0x7fffae2e1d80 (LWP 26997)] [New Thread 0x7fffae2c8d80 (LWP 26998)] [New Thread 0x7fffae2afd80 (LWP 26999)] Set buffering params to 262144|131072|10|10 [New Thread 0x7fffadf8a800 (LWP 27000)] [New Thread 0x7fffade27700 (LWP 27001)] [New Thread 0x7fff8ffff700 (LWP 27002)] [Thread 0x7fffaeaf6700 (LWP 26996) exited] [Thread 0x7fffcd1ef700 (LWP 26995) exited] [Thread 0x7fffaf7fe700 (LWP 26994) exited] [Thread 0x7fffaffff700 (LWP 26993) exited] protocol Ableton Push 2 active ? 0 protocol Open Sound Control (OSC) active ? 0 protocol PreSonus FaderPort active ? 0 protocol Generic MIDI active ? 0 protocol Mackie active ? 0 protocol Steinberg CC121 active ? 0 Set buffering params to 262144|131072|10|10 Skip explicit buffer seconds, preset in use Skip explicit buffer seconds, preset in use [New Thread 0x7fffcd1ef700 (LWP 27003)] [New Thread 0x7fffaf7fe700 (LWP 27004)] [New Thread 0x7fffaffff700 (LWP 27005)] [New Thread 0x7fffaeaf6700 (LWP 27006)] Thread 1 "ardour-5.6.0" received signal SIGSEGV, Segmentation fault. 0x00007fffeca189b7 in std::__detail::_List_node_base::_M_unhook() () from /lib64/libstdc++.so.6 Missing separate debuginfos, use: dnf debuginfo-install alsa-lib-1.1.1-1.fc24.x86_64 jack-audio-connection-kit-1.9.10-5.fc24.x86_64 ladspa-1.13-16.fc24.x86_64 libX11-1.6.3-3.fc24.x86_64 libXau-1.0.8-6.fc24.x86_64 libXcursor-1.1.14-6.fc24.x86_64 libXext-1.3.3-4.fc24.x86_64 libXfixes-5.0.3-1.fc24.x86_64 libXrender-0.9.10-1.fc24.x86_64 libgcc-6.2.1-2.fc24.x86_64 libstdc++-6.2.1-2.fc24.x86_64 libxcb-1.11.1-2.fc24.x86_64 nss-mdns-0.10-17.fc24.x86_64 opus-1.1.2-2.fc24.x86_64 rubberband-1.8.1-8.fc24.x86_64 (gdb) t a a bt Thread 34 (Thread 0x7fffaeaf6700 (LWP 27006)): #0 0x00007fffec1930b9 in syscall () from /lib64/libc.so.6 #1 0x00007ffff377afcc in g_cond_wait () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff7907071 in ArdourCanvas::WaveView::drawing_thread () at ../libs/canvas/wave_view.cc:1565 #3 0x0000000000ea5dbb in sigc::pointer_functor0::operator() (this=0x8b01d58) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #4 0x0000000000ea2fe4 in sigc::adaptor_functor >::operator() (this=0x8b01d50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #5 0x0000000000e9f0df in sigc::internal::slot_call0, void>::call_it (rep=0x8b01d20) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #6 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #7 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #8 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #9 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 33 (Thread 0x7fffaffff700 (LWP 27005)): #0 0x00007fffef4b34ad in nanosleep () from /lib64/libpthread.so.0 #1 0x00007ffff375aa48 in g_usleep () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff63364b9 in ARDOUR::AutomationWatch::thread (this=0x22f3eb0) at ../libs/ardour/automation_watch.cc:177 #3 0x00007ffff633a155 in boost::_mfi::mf0::operator() (this=0x22f4090, p=0x22f3eb0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff6339d3c in boost::_bi::list1 >::operator(), boost::_bi::list0> ( this=0x22f40a0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:253 #5 0x00007ffff63396ad in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x22f4090) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:20 #6 0x00007ffff633963a in sigc::adaptor_functor, boost::_bi::list1 > > >::operator() (this=0x22f4090) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff63390ce in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it (rep=0x22f4060) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #10 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 32 (Thread 0x7fffaf7fe700 (LWP 27004)): #0 0x00007fffef4afbd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff681ec79 in ARDOUR::Session::auto_connect_thread_run (this=0x202bff0) at ../libs/ardour/session.cc:7166 #2 0x00007ffff681e9aa in ARDOUR::Session::auto_connect_thread (arg=0x202bff0) at ../libs/ardour/session.cc:7113 #3 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #4 0x00007fffec198f6d in clone () from /lib64/libc.so.6 ---Type to continue, or q to quit--- Thread 31 (Thread 0x7fffcd1ef700 (LWP 27003)): #0 0x00007fffef4afbd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff689313d in ARDOUR::Session::emit_thread_run (this=0x202bff0) at ../libs/ardour/session_process.cc:1374 #2 0x00007ffff68930da in ARDOUR::Session::emit_thread (arg=0x202bff0) at ../libs/ardour/session_process.cc:1363 #3 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #4 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 30 (Thread 0x7fff8ffff700 (LWP 27002)): #0 0x00007fffef4b20c7 in do_futex_wait.constprop () from /lib64/libpthread.so.0 #1 0x00007fffef4b2174 in __new_sem_wait_slow.constprop.0 () from /lib64/libpthread.so.0 #2 0x00007fffef4b221a in sem_wait@@GLIBC_2.2.5 () from /lib64/libpthread.so.0 #3 0x00007ffff6441baa in PBD::Semaphore::wait (this=0x3f3b170) at /home/ardour/linux-x86_64-v5/ardour/libs/pbd/pbd/semutils.h:61 #4 0x00007ffff6962bfe in ARDOUR::Worker::run (this=0x3f3b150) at ../libs/ardour/worker.cc:140 #5 0x00007ffff696392e in sigc::bound_mem_functor0::operator() (this=0x3f3a608) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #6 0x00007ffff6963876 in sigc::adaptor_functor >::operator() (this=0x3f3a600) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff696374d in sigc::internal::slot_call0, void>::call_it (rep=0x3f3a5d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #10 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 29 (Thread 0x7fffade27700 (LWP 27001)): #0 0x00007fffec18d3ed in poll () from /lib64/libc.so.6 #1 0x00007ffff3729674 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff37299f2 in g_main_loop_run () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff4955137 in BaseUI::main_thread (this=0x3c72100) at ../libs/pbd/base_ui.cc:86 #4 0x00007ffff49590fe in sigc::bound_mem_functor0::operator() (this=0x3c727d8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #5 0x00007ffff4958d3c in sigc::adaptor_functor >::operator() (this=0x3c727d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #6 0x00007ffff49587f7 in sigc::internal::slot_call0, void>::call_it (rep=0x3c727a0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #7 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #8 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #9 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #10 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 28 (Thread 0x7fffadf8a800 (LWP 27000)): ---Type to continue, or q to quit--- #0 0x00007fffec18d3ed in poll () from /lib64/libc.so.6 #1 0x00007ffff496b300 in CrossThreadChannel::poll_for_request (this=0x1fb9f98) at ../libs/pbd/crossthread.posix.cc:83 #2 0x00007ffff496b369 in CrossThreadChannel::receive (this=0x1fb9f98, msg=@0x7fffadf8946f: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:104 #3 0x00007ffff634a4d4 in ARDOUR::Butler::thread_work (this=0x1fb9f00) at ../libs/ardour/butler.cc:175 #4 0x00007ffff634a255 in ARDOUR::Butler::_thread_work (arg=0x1fb9f00) at ../libs/ardour/butler.cc:156 #5 0x00007ffff498e808 in fake_thread_start (arg=0x3c71f10) at ../libs/pbd/pthread_utils.cc:101 #6 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #7 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 27 (Thread 0x7fffae2afd80 (LWP 26999)): #0 0x00007fffef4b20c7 in do_futex_wait.constprop () from /lib64/libpthread.so.0 #1 0x00007fffef4b2174 in __new_sem_wait_slow.constprop.0 () from /lib64/libpthread.so.0 #2 0x00007fffef4b221a in sem_wait@@GLIBC_2.2.5 () from /lib64/libpthread.so.0 #3 0x00007ffff6441baa in PBD::Semaphore::wait (this=0x2b69748) at /home/ardour/linux-x86_64-v5/ardour/libs/pbd/pbd/semutils.h:61 #4 0x00007ffff643f1ca in ARDOUR::Graph::restart_cycle (this=0x2b69650) at ../libs/ardour/graph.cc:261 #5 0x00007ffff643f197 in ARDOUR::Graph::dec_ref (this=0x2b69650) at ../libs/ardour/graph.cc:248 #6 0x00007ffff6447028 in ARDOUR::GraphNode::finish (this=0x3e92da8, chain=1) at ../libs/ardour/graphnode.cc:71 #7 0x00007ffff643fec6 in ARDOUR::Graph::run_one (this=0x2b69650) at ../libs/ardour/graph.cc:401 #8 0x00007ffff64400da in ARDOUR::Graph::helper_thread (this=0x2b69650) at ../libs/ardour/graph.cc:418 #9 0x00007ffff64466af in boost::_mfi::mf0::operator() (this=0x7fffae2af3d8, p=0x2b69650) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #10 0x00007ffff6445daa in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x7fffae2af3e8, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:253 #11 0x00007ffff644521d in boost::_bi::bind_t, boost::_bi::list1 > >::operator() ( this=0x7fffae2af3d8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:20 #12 0x00007ffff6444a9f in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:153 #13 0x000000000073a08e in boost::function0::operator() (this=0x7fffae2af3d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:760 #14 0x00007fffdc0c28e7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x319f790) at ../libs/backends/alsa/alsa_audiobackend.cc:1109 #15 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #16 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 26 (Thread 0x7fffae2c8d80 (LWP 26998)): #0 0x00007fffef4b20c7 in do_futex_wait.constprop () from /lib64/libpthread.so.0 #1 0x00007fffef4b2174 in __new_sem_wait_slow.constprop.0 () from /lib64/libpthread.so.0 #2 0x00007fffef4b221a in sem_wait@@GLIBC_2.2.5 () from /lib64/libpthread.so.0 #3 0x00007ffff6441baa in PBD::Semaphore::wait (this=0x2b69728) at /home/ardour/linux-x86_64-v5/ardour/libs/pbd/pbd/semutils.h:61 #4 0x00007ffff643fd1c in ARDOUR::Graph::run_one (this=0x2b69650) at ../libs/ardour/graph.cc:387 #5 0x00007ffff64400da in ARDOUR::Graph::helper_thread (this=0x2b69650) at ../libs/ardour/graph.cc:418 #6 0x00007ffff64466af in boost::_mfi::mf0::operator() (this=0x7fffae2c83d8, p=0x2b69650) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 ---Type to continue, or q to quit--- #7 0x00007ffff6445daa in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x7fffae2c83e8, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:253 #8 0x00007ffff644521d in boost::_bi::bind_t, boost::_bi::list1 > >::operator() ( this=0x7fffae2c83d8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:20 #9 0x00007ffff6444a9f in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:153 #10 0x000000000073a08e in boost::function0::operator() (this=0x7fffae2c83d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:760 #11 0x00007fffdc0c28e7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x319f790) at ../libs/backends/alsa/alsa_audiobackend.cc:1109 #12 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #13 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 25 (Thread 0x7fffae2e1d80 (LWP 26997)): #0 0x00007fffef4b20c7 in do_futex_wait.constprop () from /lib64/libpthread.so.0 #1 0x00007fffef4b2174 in __new_sem_wait_slow.constprop.0 () from /lib64/libpthread.so.0 #2 0x00007fffef4b221a in sem_wait@@GLIBC_2.2.5 () from /lib64/libpthread.so.0 #3 0x00007ffff6441baa in PBD::Semaphore::wait (this=0x2b69728) at /home/ardour/linux-x86_64-v5/ardour/libs/pbd/pbd/semutils.h:61 #4 0x00007ffff643fd1c in ARDOUR::Graph::run_one (this=0x2b69650) at ../libs/ardour/graph.cc:387 #5 0x00007ffff644039f in ARDOUR::Graph::main_thread (this=0x2b69650) at ../libs/ardour/graph.cc:457 #6 0x00007ffff64466af in boost::_mfi::mf0::operator() (this=0x7fffae2e13d8, p=0x2b69650) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff6445daa in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x7fffae2e13e8, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:253 #8 0x00007ffff644521d in boost::_bi::bind_t, boost::_bi::list1 > >::operator() ( this=0x7fffae2e13d8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:20 #9 0x00007ffff6444a9f in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:153 #10 0x000000000073a08e in boost::function0::operator() (this=0x7fffae2e13d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:760 #11 0x00007fffdc0c28e7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x319f790) at ../libs/backends/alsa/alsa_audiobackend.cc:1109 #12 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #13 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 16 (Thread 0x7fffcc12cd80 (LWP 26986)): #0 0x00007fffec18d4b1 in ppoll () from /lib64/libc.so.6 #1 0x00007fffdc0e99ae in Alsa_pcmi::pcm_wait (this=0x23fbcc0) at ../libs/backends/alsa/zita-alsa-pcmi.cc:184 #2 0x00007fffdc0c61f7 in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x1c9edb0) at ../libs/backends/alsa/alsa_audiobackend.cc:1890 #3 0x00007fffdc0c1169 in pthread_process (arg=0x1c9edb0) at ../libs/backends/alsa/alsa_audiobackend.cc:794 #4 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #5 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 15 (Thread 0x7fffcd9f0700 (LWP 26985)): #0 0x00007fffec18f1c3 in select () from /lib64/libc.so.6 ---Type to continue, or q to quit--- #1 0x00007ffff49a1a0a in PBD::SystemExec::output_interposer (this=0x1fb3560) at ../libs/pbd/system_exec.cc:926 #2 0x00007ffff49a0c64 in interposer_thread (arg=0x1fb3560) at ../libs/pbd/system_exec.cc:333 #3 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #4 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 12 (Thread 0x7fffcc9ee700 (LWP 26981)): #0 0x00007fffec1930b9 in syscall () from /lib64/libc.so.6 #1 0x00007ffff377b0e1 in g_cond_wait_until () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff36f524b in g_async_queue_timeout_pop () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff37599ea in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #4 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #5 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #6 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 9 (Thread 0x7fffce1f1700 (LWP 26978)): #0 0x00007fffec18d3ed in poll () from /lib64/libc.so.6 #1 0x00007ffff3729674 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff372977c in g_main_context_iteration () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff37297b9 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #4 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #5 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #6 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 7 (Thread 0x7fffcffff700 (LWP 26976)): #0 0x00007fffec1930b9 in syscall () from /lib64/libc.so.6 #1 0x00007ffff377afcc in g_cond_wait () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff62ded20 in ARDOUR::AudioEngine::do_devicelist_update (this=0x1a94e90) at ../libs/ardour/audioengine.cc:561 #3 0x00007ffff62ea327 in boost::_mfi::mf0::operator() (this=0x1afcf20, p=0x1a94e90) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff62e9db6 in boost::_bi::list1 >::operator(), boost::_bi::list0> ( this=0x1afcf30, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:253 #5 0x00007ffff62e9399 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() ( this=0x1afcf20) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:20 #6 0x00007ffff62e8cbe in sigc::adaptor_functor, boost::_bi::list1 > > >::operator() (this=0x1afcf20) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff62e7f2a in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it (rep=0x1afcef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #10 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007fffec198f6d in clone () from /lib64/libc.so.6 ---Type to continue, or q to quit--- Thread 6 (Thread 0x7fffdcd89700 (LWP 26975)): #0 0x00007fffec1930b9 in syscall () from /lib64/libc.so.6 #1 0x00007ffff377afcc in g_cond_wait () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff62deafa in ARDOUR::AudioEngine::do_reset_backend (this=0x1a94e90) at ../libs/ardour/audioengine.cc:526 #3 0x00007ffff62ea327 in boost::_mfi::mf0::operator() (this=0x1b05550, p=0x1a94e90) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff62e9db6 in boost::_bi::list1 >::operator(), boost::_bi::list0> ( this=0x1b05560, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:253 #5 0x00007ffff62e9399 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() ( this=0x1b05550) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:20 #6 0x00007ffff62e8cbe in sigc::adaptor_functor, boost::_bi::list1 > > >::operator() (this=0x1b05550) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff62e7f2a in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it (rep=0x1b05520) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #10 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 5 (Thread 0x7fffdf943700 (LWP 26974)): #0 0x00007fffec1930b9 in syscall () from /lib64/libc.so.6 #1 0x00007ffff377afcc in g_cond_wait () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff62787f0 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:87 #3 0x00007ffff62785dc in analyser_work () at ../libs/ardour/analyser.cc:52 #4 0x0000000000ea5dbb in sigc::pointer_functor0::operator() (this=0x1b09578) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #5 0x0000000000ea2fe4 in sigc::adaptor_functor >::operator() (this=0x1b09570) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #6 0x0000000000e9f0df in sigc::internal::slot_call0, void>::call_it (rep=0x1b09540) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #7 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #8 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #9 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #10 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7fffe0144700 (LWP 26973)): #0 0x00007fffec1930b9 in syscall () from /lib64/libc.so.6 #1 0x00007ffff377afcc in g_cond_wait () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff691f916 in peak_thread_work () at ../libs/ardour/source_factory.cc:71 #3 0x0000000000ea5dbb in sigc::pointer_functor0::operator() (this=0x1af4f78) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #4 0x0000000000ea2fe4 in sigc::adaptor_functor >::operator() (this=0x1af4f70) ---Type to continue, or q to quit--- at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #5 0x0000000000e9f0df in sigc::internal::slot_call0, void>::call_it (rep=0x1af4f40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #6 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #7 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #8 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #9 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7fffe0945700 (LWP 26972)): #0 0x00007fffec1930b9 in syscall () from /lib64/libc.so.6 #1 0x00007ffff377afcc in g_cond_wait () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff691f916 in peak_thread_work () at ../libs/ardour/source_factory.cc:71 #3 0x0000000000ea5dbb in sigc::pointer_functor0::operator() (this=0x1a24818) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #4 0x0000000000ea2fe4 in sigc::adaptor_functor >::operator() (this=0x1a24810) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #5 0x0000000000e9f0df in sigc::internal::slot_call0, void>::call_it (rep=0x1a247e0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #6 0x00007ffff3cc323d in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #7 0x00007ffff3759225 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #8 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #9 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7fffe1146700 (LWP 26971)): #0 0x00007fffef4b34ad in nanosleep () from /lib64/libpthread.so.0 #1 0x00007ffff375aa48 in g_usleep () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #2 0x00000000011b894b in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:363 #3 0x00007fffef4aa5ca in start_thread () from /lib64/libpthread.so.0 #4 0x00007fffec198f6d in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7ffff7fa58c0 (LWP 26962)): #0 0x00007fffeca189b7 in std::__detail::_List_node_base::_M_unhook() () from /lib64/libstdc++.so.6 #1 0x00000000008d001b in std::__cxx11::list >::_M_erase (this=0x26b5bd8, __position=) at /usr/include/c++/5/bits/stl_list.h:1774 #2 0x00000000008c74aa in std::__cxx11::list >::erase (this=0x26b5bd8, __position=) at /usr/include/c++/5/bits/list.tcc:156 #3 0x0000000000ff8a62 in Selection::remove (this=0x26b5ba0, track=0x376f818) at ../gtk2_ardour/selection.cc:638 #4 0x00000000010f3eb4 in TimeAxisView::hide (this=0x376f818) at ../gtk2_ardour/time_axis_view.cc:284 #5 0x000000000080b0f6 in AudioTimeAxisView::hide (this=0x376f5c0) at ../gtk2_ardour/audio_time_axis.cc:173 #6 0x0000000000a1cba1 in EditorRoutes::redisplay_real (this=0x24c9900) at ../gtk2_ardour/editor_routes.cc:597 #7 0x0000000000a1ce20 in EditorRoutes::redisplay (this=0x24c9900) at ../gtk2_ardour/editor_routes.cc:643 #8 0x0000000000a1f9c9 in EditorRoutes::route_property_changed (this=0x24c9900, what_changed=..., s=...) at ../gtk2_ardour/editor_routes.cc:929 #9 0x0000000000a36a91 in boost::_mfi::mf2 >::operator() (this=0x1d08c30, p=0x24c9900, a1=..., a2=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:280 ---Type to continue, or q to quit--- #10 0x0000000000a34df1 in boost::_bi::list3, boost::arg<1>, boost::_bi::value > >::operator() >, boost::_bi::list1 > (this=0x1d08c40, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:392 #11 0x0000000000a32720 in boost::_bi::bind_t >, boost::_bi::list3, boost::arg<1>, boost::_bi::value > > >::operator() (this=0x1d08c30, a1=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:47 #12 0x0000000000a2f740 in boost::detail::function::void_function_obj_invoker1 >, boost::_bi::list3, boost::arg<1>, boost::_bi::value > > >, void, PBD::PropertyChange const&>::invoke (function_obj_ptr=..., a0=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:153 #13 0x00000000007d31bb in boost::function1::operator() (this=0x1d591a0, a0=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:760 #14 0x00000000007d97a8 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::function&, boost::_bi::list0&, int) (this=0x1d591c0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:253 #15 0x00000000007d8e81 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x1d591a0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:20 #16 0x00000000007d8361 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:153 #17 0x000000000073a08e in boost::function0::operator() (this=0x7fffffffbb00) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:760 #18 0x00007ffff74f4db4 in AbstractUI::call_slot(PBD::EventLoop::InvalidationRecord*, boost::function const&) (this=0x1a9b470, invalidation=0x0, f=...) at /home/ardour/linux-x86_64-v5/ardour/libs/pbd/pbd/abstract_ui.cc:429 #19 0x00000000007d38ad in PBD::Signal1 >::compositor(boost::function, PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*, PBD::PropertyChange const&) (f=..., event_loop=0x1a9b470, ir=0x0, a1=...) at /home/ardour/linux-x86_64-v5/ardour/build/libs/pbd/pbd/signals_generated.h:595 #20 0x00000000007d915b in boost::_bi::list4 >, boost::_bi::value, boost::_bi::value, boost::arg<1> >::operator(), PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*, PBD::PropertyChange const&), boost::_bi::list1 >(boost::_bi::type, void (*&)(boost::function, PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*, PBD::PropertyChange const&), boost::_bi::list1&, int) (this=0x1da26f8, f=@0x1da26f0: 0x7d37f3 >::compositor(boost::function, PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*, PBD::PropertyChange const&)>, a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:457 #21 0x00000000007d84da in boost::_bi::bind_t, PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*, PBD::PropertyChange const&), boost::_bi::list4 >, boost::_bi::value, boost::_bi::value, boost::arg<1> > >::operator()(PBD::PropertyChange const&) (this=0x1da26f0, a1=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind_template.hpp:47 #22 0x00000000007d751f in boost::detail::function::void_function_obj_invoker1, PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*, PBD::PropertyChange const&), boost::_bi::list4 >, boost::_bi::value, boost::_bi::value, boost::arg<1> > >, void, PBD::PropertyChange const&>::invoke(boost::detail::function::function_buffer&, PBD::PropertyChange const&) (function_obj_ptr=..., a0=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:153 #23 0x00000000007d31bb in boost::function1::operator() (this=0x1d99910, a0=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:760 ---Type to continue, or q to quit--- #24 0x0000000000b84b5f in PBD::Signal1 >::operator() (this=0x3e92cd8, a1=...) at /home/ardour/linux-x86_64-v5/ardour/build/libs/pbd/pbd/signals_generated.h:704 #25 0x00007ffff499a487 in PBD::Stateful::send_change (this=0x3e92cd0, what_changed=...) at ../libs/pbd/stateful.cc:294 #26 0x00007ffff675c631 in ARDOUR::PresentationInfo::set_hidden (this=0x3e92cd0, yn=true) at ../libs/ardour/presentation_info.cc:265 #27 0x0000000000fda52c in RouteUI::mark_hidden (this=0x376f5c0, yn=true) at ../gtk2_ardour/route_ui.cc:2427 #28 0x0000000000fb23d7 in RouteTimeAxisView::set_marked_for_display (this=0x376f5c0, yn=false) at ../gtk2_ardour/route_time_axis.cc:2943 #29 0x0000000000a1fed4 in EditorRoutes::hide_track_in_display (this=0x24c9900, tv=...) at ../gtk2_ardour/editor_routes.cc:973 #30 0x00000000008bb8c7 in Editor::hide_track_in_display (this=0x25f9720, tv=0x376f818, apply_to_selection=false) at ../gtk2_ardour/editor.cc:5506 #31 0x00000000008bb790 in Editor::hide_track_in_display (this=0x25f9720, tv=0x376f818, apply_to_selection=true) at ../gtk2_ardour/editor.cc:5494 #32 0x0000000000fc4b25 in sigc::bound_mem_functor2::operator() (this=0x1d4de40, _A_a1=@0x7fffffffc1e8: 0x376f818, _A_a2=@0x1d4de68: true) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1927 #33 0x0000000000fc2a95 in sigc::adaptor_functor >::operator() (this=0x1d4de38, _A_arg1=@0x1d4de60: 0x376f5c0, _A_arg2=@0x1d4de68: true) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:108 #34 0x0000000000fc052b in sigc::bind_functor<-1, sigc::bound_mem_functor2, RouteTimeAxisView*, bool, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>::operator() (this=0x1d4de30) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/bind.h:1339 #35 0x0000000000fbd5db in sigc::internal::slot_call0, RouteTimeAxisView*, bool, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>, void>::call_it (rep=0x1d4de00) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #36 0x00007ffff3cd30b8 in Glib::SignalProxyNormal::slot0_void_callback(_GObject*, void*) () from /opt/Ardour-5.6.0-dbg/lib/libglibmm-2.4.so.1 #37 0x00007ffff3a37935 in g_closure_invoke () from /opt/Ardour-5.6.0-dbg/lib/libgobject-2.0.so.0 #38 0x00007ffff3a48f84 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libgobject-2.0.so.0 #39 0x00007ffff3a52ab1 in g_signal_emit_valist () from /opt/Ardour-5.6.0-dbg/lib/libgobject-2.0.so.0 #40 0x00007ffff3a52e32 in g_signal_emit () from /opt/Ardour-5.6.0-dbg/lib/libgobject-2.0.so.0 #41 0x00007ffff2ea534e in gtk_widget_activate () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #42 0x00007ffff2d3ba52 in gtk_menu_shell_activate_item () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #43 0x00007ffff2d3bea6 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #44 0x00007ffff2d2daa6 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #45 0x00007ffff2d21e6c in ?? () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #46 0x00007ffff3a37935 in g_closure_invoke () from /opt/Ardour-5.6.0-dbg/lib/libgobject-2.0.so.0 #47 0x00007ffff3a4941f in ?? () from /opt/Ardour-5.6.0-dbg/lib/libgobject-2.0.so.0 #48 0x00007ffff3a525a3 in g_signal_emit_valist () from /opt/Ardour-5.6.0-dbg/lib/libgobject-2.0.so.0 #49 0x00007ffff3a52e32 in g_signal_emit () from /opt/Ardour-5.6.0-dbg/lib/libgobject-2.0.so.0 #50 0x00007ffff2ea678c in ?? () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #51 0x00007ffff2d20444 in gtk_propagate_event () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #52 0x00007ffff2d208b3 in gtk_main_do_event () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #53 0x00007ffff293e13c in ?? () from /opt/Ardour-5.6.0-dbg/lib/libgdk-x11-2.0.so.0 #54 0x00007ffff3729477 in g_main_context_dispatch () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #55 0x00007ffff37296d8 in ?? () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #56 0x00007ffff37299f2 in g_main_loop_run () from /opt/Ardour-5.6.0-dbg/lib/libglib-2.0.so.0 #57 0x00007ffff2d1f597 in gtk_main () from /opt/Ardour-5.6.0-dbg/lib/libgtk-x11-2.0.so.0 #58 0x00007ffff74f139e in Gtkmm2ext::UI::run (this=0x1a9b470, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:286 #59 0x0000000000c2c45f in main (argc=1, argv=0x7fffffffd268) at ../gtk2_ardour/main.cc:439 (gdb)