[timbyr@thinkpad-T420-1 master-debug-tests-internal-libs]$ ./gtk2_ardour/ardbg
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Reading symbols from ./gtk2_ardour/../build/gtk2_ardour/ardour-5.5.480...done.
(gdb) run
Starting program: /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/build/gtk2_ardour/ardour-5.5.480 
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 /usr/local/share/ardour5/locale
Ardour5.5.480 (built using 5.5-480-g126dd02 and GCC version 6.2.1 20160916 (Red Hat 6.2.1-2))
ardour: [INFO]: Your system is configured to limit Ardour to only 4,096 open files
ardour: [INFO]: Loading system configuration file /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/system_config
ardour: [INFO]: Loading user configuration file /home/timbyr/.config/ardour5/config
[New Thread 0x7fffd8831700 (LWP 25300)]
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 0x7fffd8030700 (LWP 25301)]
[New Thread 0x7fffd782f700 (LWP 25302)]
[New Thread 0x7fffd702e700 (LWP 25303)]
[New Thread 0x7fffd48be700 (LWP 25304)]
[New Thread 0x7fffc7fff700 (LWP 25305)]
ardour: [INFO]: Loading default ui configuration file /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/build/gtk2_ardour/default_ui_config
ardour: [INFO]: Loading user ui configuration file /home/timbyr/.config/ardour5/ui_config
Cannot xinstall SIGPIPE error handler
[New Thread 0x7fffbb9a2700 (LWP 25306)]
[New Thread 0x7fffbb1a1700 (LWP 25307)]
[New Thread 0x7fffba9a0700 (LWP 25308)]
[New Thread 0x7fffba19f700 (LWP 25309)]
Color shuttle bg not found
ardour: [INFO]: Loading color file /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/gtk2_ardour/themes/dark-ardour.colors
ardour: [INFO]: Loading ui configuration file /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/build/gtk2_ardour/clearlooks.rc
ardour: [INFO]: Loading ui configuration file /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/build/gtk2_ardour/clearlooks.rc
[New Thread 0x7fffb9682700 (LWP 25311)]
[New Thread 0x7fffb8e81700 (LWP 25312)]
Found nothing along /home/timbyr/.config/ardour5/templates:./gtk2_ardour/../templates:./gtk2_ardour/../build/templates:./gtk2_ardour/../gtk2_ardour/templates:./gtk2_ardour/../build/gtk2_ardour/templates:./templates
run dialog
[Thread 0x7fffb9682700 (LWP 25311) exited]
[Thread 0x7fffba19f700 (LWP 25309) exited]
[Thread 0x7fffba9a0700 (LWP 25308) exited]
Detaching after vfork from child process 25314.
[New Thread 0x7fffba19f700 (LWP 25315)]
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 0x7fffb8652d80 (LWP 25316)]
protocol Open Sound Control (OSC) active ? 0
protocol PreSonus FaderPort active ? 0
protocol Generic MIDI active ? 0
protocol Mackie active ? 0
protocol Wiimote active ? 0
Scanning folders for bundled LV2s: ./gtk2_ardour/../build/libs/LV2
KP is /home/timbyr/.config/ardour5/ardour.keys
[New Thread 0x7fffba9a0700 (LWP 25318)]
[New Thread 0x7fffb9682700 (LWP 25319)]
Set cursor set to default
Editor didn't find Editor/jump-backward-to-mark in editor
Editor didn't find Editor/jump-forward-to-mark in editor
Editor didn't find Editor/addExistingAudioFiles in editor
Editor didn't find Editor/jump-backward-to-mark in editor
Editor didn't find Editor/jump-forward-to-mark in editor
Editor didn't find Editor/addExistingAudioFiles in editor
[New Thread 0x7fff9bfff700 (LWP 25320)]
[New Thread 0x7fff9b7fe700 (LWP 25321)]
RESPONSE -1
[New Thread 0x7fffb80ded80 (LWP 25322)]
[New Thread 0x7fffb80c5d80 (LWP 25323)]
[New Thread 0x7fffb80acd80 (LWP 25324)]
Set buffering params to 262144|131072|10|10
[New Thread 0x7fffb8093800 (LWP 25325)]
[New Thread 0x7fff9af14700 (LWP 25326)]
protocol Open Sound Control (OSC) active ? 0
protocol PreSonus FaderPort active ? 0
protocol Generic MIDI active ? 0
protocol Mackie active ? 0
protocol Wiimote active ? 0
Set buffering params to 262144|131072|10|10
Skip explicit buffer seconds, preset in use
Skip explicit buffer seconds, preset in use
[Thread 0x7fff9bfff700 (LWP 25320) exited]
[Thread 0x7fffb9682700 (LWP 25319) exited]
[Thread 0x7fffba9a0700 (LWP 25318) exited]
[Thread 0x7fffb8e81700 (LWP 25312) exited]
actually writing state to /home/timbyr/Ardour-Sessions/test-bug7200-5.5.480/test-bug7200-5.5.480.tmp
renaming state to /home/timbyr/Ardour-Sessions/test-bug7200-5.5.480/test-bug7200-5.5.480.ardour
saved state in 4.3 ms
[New Thread 0x7fff9bfff700 (LWP 25327)]
[New Thread 0x7fffb8e81700 (LWP 25328)]
[New Thread 0x7fffb9682700 (LWP 25329)]
[Thread 0x7fff9b7fe700 (LWP 25321) exited]
PANIC: unprotected error in call to Lua API (bad argument #1 (number has no integer representation))

Thread 20 "ardour-5.5.480" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffb80ded80 (LWP 25322)]
0x00007fffec4a76f5 in raise () from /lib64/libc.so.6
Missing separate debuginfos, use: dnf debuginfo-install GConf2-3.2.6-16.fc24.x86_64 PackageKit-gtk3-module-1.1.3-2.fc24.x86_64 adwaita-gtk2-theme-3.20.2-1.fc24.x86_64 alsa-lib-1.1.1-1.fc24.x86_64 atk-2.20.0-1.fc24.x86_64 atkmm-2.24.2-2.fc24.x86_64 aubio-0.4.2-2.fc24.x86_64 bluez-libs-5.41-1.fc24.x86_64 bzip2-libs-1.0.6-20.fc24.x86_64 cairo-1.14.6-2.fc24.x86_64 cairomm-1.12.0-2.fc24.x86_64 cwiid-0.6.00-27.20100505gitfadf11e.fc24.x86_64 cyrus-sasl-lib-2.1.26-26.2.fc24.x86_64 dbus-glib-0.108-1.fc24.x86_64 dbus-libs-1.11.4-1.fc24.x86_64 dconf-0.26.0-1.fc24.x86_64 expat-2.1.1-2.fc24.x86_64 fftw-libs-double-3.3.4-7.fc24.x86_64 fftw-libs-single-3.3.4-7.fc24.x86_64 flac-libs-1.3.1-6.fc24.x86_64 fontconfig-2.11.94-7.fc24.x86_64 freetype-2.6.3-2.fc24.x86_64 gdk-pixbuf2-2.34.0-1.fc24.x86_64 glib-networking-2.48.2-1.fc24.x86_64 glib2-2.48.2-1.fc24.x86_64 glibmm24-2.48.1-1.fc24.x86_64 gmp-6.1.1-1.fc24.x86_64 gnutls-3.4.15-1.fc24.x86_64 graphite2-1.3.6-1.fc24.x86_64 gsm-1.0.13-14.fc24.x86_64 gtk2-2.24.31-1.fc24.x86_64 gtkmm24-2.24.4-9.fc24.x86_64 gvfs-client-1.28.3-1.fc24.x86_64 harfbuzz-1.2.7-1.fc24.x86_64 ibus-gtk2-1.5.13-3.fc24.x86_64 ibus-libs-1.5.13-3.fc24.x86_64 jack-audio-connection-kit-1.9.10-5.fc24.x86_64 keyutils-libs-1.5.9-8.fc24.x86_64 krb5-libs-1.14.4-4.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 libXcomposite-0.4.4-8.fc24.x86_64 libXcursor-1.1.14-6.fc24.x86_64 libXdamage-1.1.4-8.fc24.x86_64 libXext-1.3.3-4.fc24.x86_64 libXfixes-5.0.3-1.fc24.x86_64 libXi-1.7.7-1.fc24.x86_64 libXinerama-1.1.3-6.fc24.x86_64 libXrandr-1.5.1-1.fc24.x86_64 libXrender-0.9.10-1.fc24.x86_64 libXxf86vm-1.1.4-3.fc24.x86_64 libacl-2.2.52-11.fc24.x86_64 libarchive-3.2.1-3.fc24.x86_64 libattr-2.4.47-16.fc24.x86_64 libcanberra-0.30-11.fc24.x86_64 libcanberra-gtk2-0.30-11.fc24.x86_64 libcap-2.24-9.fc24.x86_64 libcom_err-1.42.13-4.fc24.x86_64 libcurl-7.47.1-8.fc24.x86_64 libdatrie-0.2.9-3.fc24.x86_64 libdrm-2.4.71-2.fc24.x86_64 libffi-3.1-9.fc24.x86_64 libgcc-6.2.1-2.fc24.x86_64 libgcrypt-1.6.6-1.fc24.x86_64 libgpg-error-1.24-1.fc24.x86_64 libicu-56.1-4.fc24.x86_64 libidn-1.33-1.fc24.x86_64 liblo-0.28-2.fc24.x86_64 liblrdf-0.5.0-10.fc24.x86_64 libmodman-2.0.1-12.fc24.x86_64 libnghttp2-1.7.1-1.fc24.x86_64 libogg-1.3.2-5.fc24.x86_64 libpng-1.6.23-1.fc24.x86_64 libproxy-0.4.12-3.fc24.x86_64 libpsl-0.13.0-2.fc24.x86_64 libsamplerate-0.1.8-10.fc24.x86_64 libselinux-2.5-9.fc24.x86_64 libsigc++20-2.8.0-1.fc24.x86_64 libsndfile-1.0.25-20.fc24.x86_64 libssh2-1.7.0-5.fc24.x86_64 libstdc++-6.2.1-2.fc24.x86_64 libtasn1-4.9-1.fc24.x86_64 libtdb-1.3.9-1.fc24.x86_64 libthai-0.1.24-1.fc24.x86_64 libtool-ltdl-2.4.6-12.fc24.x86_64 libunistring-0.9.4-3.fc24.x86_64 libvorbis-1.3.4-6.fc24.x86_64 libwayland-client-1.10.0-1.fc24.x86_64 libwayland-server-1.10.0-1.fc24.x86_64 libxcb-1.11.1-2.fc24.x86_64 libxml2-2.9.3-3.fc24.x86_64 libxshmfence-1.2-3.fc24.x86_64 libxslt-1.1.28-12.fc24.x86_64 lilv-0.20.0-5.fc24.x86_64 lz4-r131-2.fc24.x86_64 lzo-2.08-8.fc24.x86_64 mesa-libEGL-12.0.3-1.fc24.x86_64 mesa-libGL-12.0.3-1.fc24.x86_64 mesa-libgbm-12.0.3-1.fc24.x86_64 mesa-libglapi-12.0.3-1.fc24.x86_64 nettle-3.2-3.fc24.x86_64 nspr-4.13.0-1.fc24.x86_64 nss-3.27.0-1.1.fc24.x86_64 nss-softokn-freebl-3.27.0-1.0.fc24.x86_64 nss-util-3.27.0-1.0.fc24.x86_64 openldap-2.4.44-1.fc24.x86_64 openssl-libs-1.0.2j-1.fc24.x86_64 opus-1.1.2-2.fc24.x86_64 p11-kit-0.23.2-2.fc24.x86_64 pango-1.40.3-1.fc24.x86_64 pangomm-2.40.0-1.fc24.x86_64 pcre-8.39-3.fc24.x86_64 pixman-0.34.0-2.fc24.x86_64 raptor2-2.0.15-6.fc24.x86_64 rubberband-1.8.1-8.fc24.x86_64 serd-0.20.0-3.fc24.x86_64 sord-0.12.2-8.fc24.x86_64 sratom-0.4.6-4.fc24.x86_64 suil-0.8.2-4.fc24.x86_64 systemd-libs-229-16.fc24.x86_64 taglib-1.11-1.fc24.x86_64 vamp-plugin-sdk-2.5-8.fc24.x86_64 xz-libs-5.2.2-2.fc24.x86_64 yajl-2.1.0-5.fc24.x86_64 zlib-1.2.8-10.fc24.x86_64
(gdb) t a a bt

Thread 27 (Thread 0x7fffb9682700 (LWP 25329)):
#0  0x00007fffef8084ad in nanosleep () at /lib64/libpthread.so.0
#1  0x00007ffff38a33d8 in g_usleep () at /lib64/libglib-2.0.so.0
#2  0x00007ffff635bbdc in ARDOUR::AutomationWatch::thread() (this=0xaa888a0) at ../libs/ardour/automation_watch.cc:153
#3  0x00007ffff635f079 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator()(ARDOUR::AutomationWatch*) const (this=0xc985720, p=0xaa888a0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff635ecf6 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>&, boost::_bi::list0&, int) (this=0xc985730, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#5  0x00007ffff635e7c7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator()() (this=0xc985720) at /usr/include/boost/bind/bind.hpp:1222
#6  0x00007ffff635e754 in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > > >::operator()() const (this=0xc985720) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff635e22a 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(sigc::internal::slot_rep*) (rep=0xc9856f0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:115
#8  0x00007ffff3ddf3bd in call_thread_entry_slot () at /lib64/libglibmm-2.4.so.1
#9  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#10 0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 26 (Thread 0x7fffb8e81700 (LWP 25328)):
#0  0x00007fffef804bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ffff6835f63 in ARDOUR::Session::auto_connect_thread_run() (this=0x99e5190) at ../libs/ardour/session.cc:7108
#2  0x00007ffff6835c94 in ARDOUR::Session::auto_connect_thread(void*) (arg=0x99e5190) at ../libs/ardour/session.cc:7055
#3  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7fff9bfff700 (LWP 25327)):
#0  0x00007fffef804bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ffff68a91df in ARDOUR::Session::emit_thread_run() (this=0x99e5190) at ../libs/ardour/session_process.cc:1322
#2  0x00007ffff68a917c in ARDOUR::Session::emit_thread(void*) (arg=0x99e5190) at ../libs/ardour/session_process.cc:1311
#3  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7fff9af14700 (LWP 25326)):
#0  0x00007fffec56a3ed in poll () at /lib64/libc.so.6
#1  0x00007ffff387ba06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007ffff387bd92 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007ffff4a48359 in BaseUI::main_thread() (this=0xaa26a20) at ../libs/pbd/base_ui.cc:86
#4  0x00007ffff4a4c728 in sigc::bound_mem_functor0<void, BaseUI>::operator()() const (this=0xaa270f8) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1989
#5  0x00007ffff4a4c368 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator()() const (this=0xaa270f0)
---Type <return> to continue, or q <return> to quit---
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6  0x00007ffff4a4bd77 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it(sigc::internal::slot_rep*) (rep=0xaa270c0)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:115
#7  0x00007ffff3ddf3bd in call_thread_entry_slot () at /lib64/libglibmm-2.4.so.1
#8  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#9  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7fffb8093800 (LWP 25325)):
#0  0x00007fffec56a3ed in poll () at /lib64/libc.so.6
#1  0x00007ffff4a5e52e in CrossThreadChannel::poll_for_request() (this=0x99e4428) at ../libs/pbd/crossthread.posix.cc:83
#2  0x00007ffff4a5e597 in CrossThreadChannel::receive(char&, bool) (this=0x99e4428, msg=@0x7fffb809236f: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:104
#3  0x00007ffff636ee8e in ARDOUR::Butler::thread_work() (this=0x99e4390) at ../libs/ardour/butler.cc:175
#4  0x00007ffff636ec0f in ARDOUR::Butler::_thread_work(void*) (arg=0x99e4390) at ../libs/ardour/butler.cc:156
#5  0x00007ffff4a80436 in fake_thread_start(void*) (arg=0xaa267d0) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#7  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7fffb80acd80 (LWP 25324)):
#0  0x00007fffef8070c7 in do_futex_wait.constprop () at /lib64/libpthread.so.0
#1  0x00007fffef807174 in __new_sem_wait_slow.constprop.0 () at /lib64/libpthread.so.0
#2  0x00007fffef80721a in sem_wait@@GLIBC_2.2.5 () at /lib64/libpthread.so.0
#3  0x00007ffff6465e4e in PBD::Semaphore::wait() (this=0xa6b54d8)
    at /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/libs/pbd/pbd/semutils.h:61
#4  0x00007ffff6463ffa in ARDOUR::Graph::run_one() (this=0xa6b5400) at ../libs/ardour/graph.cc:387
#5  0x00007ffff64643b8 in ARDOUR::Graph::helper_thread() (this=0xa6b5400) at ../libs/ardour/graph.cc:418
#6  0x00007ffff646a979 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const (this=0x7fffb80ac2d8, p=0xa6b5400)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#7  0x00007ffff646a0d2 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) (this=0x7fffb80ac2e8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#8  0x00007ffff6469555 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() (this=0x7fffb80ac2d8) at /usr/include/boost/bind/bind.hpp:1222
#9  0x00007ffff6468def 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159
#10 0x000000000135f588 in boost::function0<void>::operator()() const (this=0x7fffb80ac2d0) at /usr/include/boost/function/function_template.hpp:771
#11 0x00007fffc66f6c54 in ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0xa2b7030) at ../libs/backends/alsa/alsa_audiobackend.cc:1109
#12 0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#13 0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7fffb80c5d80 (LWP 25323)):
#0  0x00007fffef8070c7 in do_futex_wait.constprop () at /lib64/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#1  0x00007fffef807174 in __new_sem_wait_slow.constprop.0 () at /lib64/libpthread.so.0
#2  0x00007fffef80721a in sem_wait@@GLIBC_2.2.5 () at /lib64/libpthread.so.0
#3  0x00007ffff6465e4e in PBD::Semaphore::wait() (this=0xa6b54d8)
    at /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/libs/pbd/pbd/semutils.h:61
#4  0x00007ffff6463ffa in ARDOUR::Graph::run_one() (this=0xa6b5400) at ../libs/ardour/graph.cc:387
#5  0x00007ffff64643b8 in ARDOUR::Graph::helper_thread() (this=0xa6b5400) at ../libs/ardour/graph.cc:418
#6  0x00007ffff646a979 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const (this=0x7fffb80c52d8, p=0xa6b5400)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#7  0x00007ffff646a0d2 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) (this=0x7fffb80c52e8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#8  0x00007ffff6469555 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() (this=0x7fffb80c52d8) at /usr/include/boost/bind/bind.hpp:1222
#9  0x00007ffff6468def 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159
#10 0x000000000135f588 in boost::function0<void>::operator()() const (this=0x7fffb80c52d0) at /usr/include/boost/function/function_template.hpp:771
#11 0x00007fffc66f6c54 in ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0xa2b7030) at ../libs/backends/alsa/alsa_audiobackend.cc:1109
#12 0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#13 0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7fffb80ded80 (LWP 25322)):
#0  0x00007fffec4a76f5 in raise () at /lib64/libc.so.6
#1  0x00007fffec4a92fa in abort () at /lib64/libc.so.6
#2  0x00007ffff69bdf49 in luaD_throw(lua_State*, int) (L=0xb5ac45c, errcode=2) at ../libs/lua/lua-5.3.3/ldo.c:130
#3  0x00007ffff69bd9ce in luaG_errormsg(lua_State*) (L=0xb5ac45c) at ../libs/lua/lua-5.3.3/ldebug.c:629
#4  0x00007ffff69b9384 in lua_error(lua_State*) (L=0xb5ac45c) at ../libs/lua/lua-5.3.3/lapi.c:1116
#5  0x00007ffff69a8bdc in luaL_error(lua_State*, char const*, ...) (L=0xb5ac45c, fmt=0x7ffff6adef8f "bad argument #%d (%s)") at ../libs/lua/lua-5.3.3/lauxlib.c:231
#6  0x00007ffff69a885d in luaL_argerror(lua_State*, int, char const*) (L=0xb5ac45c, arg=1, extramsg=0x7ffff6adf080 "number has no integer representation")
    at ../libs/lua/lua-5.3.3/lauxlib.c:168
#7  0x00007ffff69a92c6 in interror(lua_State*, int) (L=0xb5ac45c, arg=1) at ../libs/lua/lua-5.3.3/lauxlib.c:425
#8  0x00007ffff69a9321 in luaL_checkinteger(lua_State*, int) (L=0xb5ac45c, arg=1) at ../libs/lua/lua-5.3.3/lauxlib.c:435
#9  0x00007ffff64e613f in luabridge::Stack<unsigned char>::get(lua_State*, int) (L=0xb5ac45c, index=1)
    at /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/libs/lua/LuaBridge/detail/Stack.h:197
#10 0x00007ffff663aaaa in luabridge::LuaRef::cast<unsigned char>() const (this=0x7fffb80dd2b0)
    at /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/libs/lua/LuaBridge/detail/LuaRef.h:875
#11 0x00007ffff66392dc in luabridge::LuaRef::operator unsigned char<unsigned char>() const (this=0x7fffb80dd2b0)
    at /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/libs/lua/LuaBridge/detail/LuaRef.h:900
#12 0x00007ffff663296e in ARDOUR::LuaProc::connect_and_run(ARDOUR::BufferSet&, long, long, double, ARDOUR::ChanMapping, ARDOUR::ChanMapping, unsigned int, long) (this=
    0xaad63d0, bufs=..., start=0, end=1024, speed=0, in=..., out=..., nframes=1024, offset=0) at ../libs/ardour/luaproc.cc:718
#13 0x00007ffff673966d in ARDOUR::PluginInsert::connect_and_run(ARDOUR::BufferSet&, long, long, double, unsigned int, long, bool) (this=
    0xaa931c0, bufs=..., start=0, end=1024, speed=0, nframes=1024, offset=0, with_auto=true) at ../libs/ardour/plugin_insert.cc:908
#14 0x00007ffff673ab44 in ARDOUR::PluginInsert::run(ARDOUR::BufferSet&, long, long, double, unsigned int, bool) (this=0xaa931c0, bufs=..., start_frame=0, end_frame=1024, speed=---Type <return> to continue, or q <return> to quit---
0, nframes=1024) at ../libs/ardour/plugin_insert.cc:1099
#15 0x00007ffff67c41de in ARDOUR::Route::process_output_buffers(ARDOUR::BufferSet&, long, long, unsigned int, int, bool) (this=
    0xaa61540, bufs=..., start_frame=0, end_frame=1024, nframes=1024, declick=0, gain_automation_ok=true) at ../libs/ardour/route.cc:456
#16 0x00007ffff67c521a in ARDOUR::Route::passthru(ARDOUR::BufferSet&, long, long, unsigned int, int) (this=0xaa61540, bufs=..., start_frame=0, end_frame=1024, nframes=1024, declick=0) at ../libs/ardour/route.cc:614
#17 0x00007ffff6961db7 in ARDOUR::Track::no_roll(unsigned int, long, long, bool) (this=0xaa61540, nframes=1024, start_frame=0, end_frame=1024, session_state_changing=false)
    at ../libs/ardour/track.cc:482
#18 0x00007ffff66bcfd9 in ARDOUR::MidiTrack::no_roll(unsigned int, long, long, bool) (this=0xaa61540, nframes=1024, start_frame=0, end_frame=1024, state_changing=false)
    at ../libs/ardour/midi_track.cc:480
#19 0x00007ffff6465c50 in ARDOUR::Graph::process_one_route(ARDOUR::Route*) (this=0xa6b5400, route=0xaa61540) at ../libs/ardour/graph.cc:585
#20 0x00007ffff646b1a8 in ARDOUR::GraphNode::process() (this=0xaa61848) at ../libs/ardour/graphnode.cc:79
#21 0x00007ffff6464189 in ARDOUR::Graph::run_one() (this=0xa6b5400) at ../libs/ardour/graph.cc:400
#22 0x00007ffff646468d in ARDOUR::Graph::main_thread() (this=0xa6b5400) at ../libs/ardour/graph.cc:457
#23 0x00007ffff646a979 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const (this=0x7fffb80de2d8, p=0xa6b5400)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#24 0x00007ffff646a0d2 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) (this=0x7fffb80de2e8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#25 0x00007ffff6469555 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() (this=0x7fffb80de2d8) at /usr/include/boost/bind/bind.hpp:1222
#26 0x00007ffff6468def 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159
#27 0x000000000135f588 in boost::function0<void>::operator()() const (this=0x7fffb80de2d0) at /usr/include/boost/function/function_template.hpp:771
#28 0x00007fffc66f6c54 in ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0xa2b7030) at ../libs/backends/alsa/alsa_audiobackend.cc:1109
#29 0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#30 0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7fffb8652d80 (LWP 25316)):
#0  0x00007fffef8070c7 in do_futex_wait.constprop () at /lib64/libpthread.so.0
#1  0x00007fffef807174 in __new_sem_wait_slow.constprop.0 () at /lib64/libpthread.so.0
#2  0x00007fffef80721a in sem_wait@@GLIBC_2.2.5 () at /lib64/libpthread.so.0
#3  0x00007ffff6465e4e in PBD::Semaphore::wait() (this=0xa6b5518)
    at /home/timbyr/Data/devel/ardour/ardour-build-scripts/BUILD/master-debug-tests-internal-libs/libs/pbd/pbd/semutils.h:61
#4  0x00007ffff6465998 in ARDOUR::Graph::routes_no_roll(unsigned int, long, long, bool, int) (this=0xa6b5400, nframes=1024, start_frame=0, end_frame=1024, non_rt_pending=false, declick=0) at ../libs/ardour/graph.cc:567
#5  0x00007ffff68a42f0 in ARDOUR::Session::no_roll(unsigned int) (this=0x99e5190, nframes=1024) at ../libs/ardour/session_process.cc:147
#6  0x00007ffff68a40b2 in ARDOUR::Session::fail_roll(unsigned int) (this=0x99e5190, nframes=1024) at ../libs/ardour/session_process.cc:126
#7  0x00007ffff68a7a07 in ARDOUR::Session::process_without_events(unsigned int) (this=0x99e5190, nframes=1024) at ../libs/ardour/session_process.cc:839
#8  0x00007ffff68a52a0 in ARDOUR::Session::process_with_events(unsigned int) (this=0x99e5190, nframes=1024) at ../libs/ardour/session_process.cc:367
#9  0x00007ffff68a3de9 in ARDOUR::Session::process(unsigned int) (this=0x99e5190, nframes=1024) at ../libs/ardour/session_process.cc:76
#10 0x00007ffff6304909 in ARDOUR::AudioEngine::process_callback(unsigned int) (this=0x26a7170, nframes=1024) at ../libs/ardour/audioengine.cc:376
#11 0x00007fffc66fab67 in ARDOUR::AlsaAudioBackend::main_process_thread() (this=0x28ee0d0) at ../libs/backends/alsa/alsa_audiobackend.cc:1943
---Type <return> to continue, or q <return> to quit---
#12 0x00007fffc66f54ad in pthread_process(void*) (arg=0x28ee0d0) at ../libs/backends/alsa/alsa_audiobackend.cc:794
#13 0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7fffba19f700 (LWP 25315)):
#0  0x00007fffec56c1c3 in select () at /lib64/libc.so.6
#1  0x00007ffff4a93398 in PBD::SystemExec::output_interposer() (this=0x9a94460) at ../libs/pbd/system_exec.cc:926
#2  0x00007ffff4a92603 in interposer_thread(void*) (arg=0x9a94460) at ../libs/pbd/system_exec.cc:333
#3  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fffbb1a1700 (LWP 25307)):
#0  0x00007fffec56a3ed in poll () at /lib64/libc.so.6
#1  0x00007ffff387ba06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007ffff387bd92 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007ffff1ebee46 in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#4  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fffbb9a2700 (LWP 25306)):
#0  0x00007fffec56a3ed in poll () at /lib64/libc.so.6
#1  0x00007ffff387ba06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007ffff387bb1c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007ffff387bb61 in glib_worker_main () at /lib64/libglib-2.0.so.0
#4  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fffc7fff700 (LWP 25305)):
#0  0x00007fffec5700b9 in syscall () at /lib64/libc.so.6
#1  0x00007ffff38bfb6f in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff630519a in ARDOUR::AudioEngine::do_devicelist_update() (this=0x26a7170) at ../libs/ardour/audioengine.cc:561
#3  0x00007ffff63106bd in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator()(ARDOUR::AudioEngine*) const (this=0x2693500, p=0x26a7170)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff63100ec in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::AudioEngine>&, boost::_bi::list0&, int) (this=0x2693510, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#5  0x00007ffff630f829 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator()() (this=0x2693500) at /usr/include/boost/bind/bind.hpp:1222
#6  0x00007ffff630f08e in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator()() const (this=0x2693500) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
---Type <return> to continue, or q <return> to quit---
#7  0x00007ffff630e2ee 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(sigc::internal::slot_rep*) (rep=0x26934d0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:115
#8  0x00007ffff3ddf3bd in call_thread_entry_slot () at /lib64/libglibmm-2.4.so.1
#9  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#10 0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fffd48be700 (LWP 25304)):
#0  0x00007fffec5700b9 in syscall () at /lib64/libc.so.6
#1  0x00007ffff38bfb6f in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff6304f74 in ARDOUR::AudioEngine::do_reset_backend() (this=0x26a7170) at ../libs/ardour/audioengine.cc:526
#3  0x00007ffff63106bd in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator()(ARDOUR::AudioEngine*) const (this=0x2693290, p=0x26a7170)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff63100ec in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::AudioEngine>&, boost::_bi::list0&, int) (this=0x26932a0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#5  0x00007ffff630f829 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator()() (this=0x2693290) at /usr/include/boost/bind/bind.hpp:1222
#6  0x00007ffff630f08e in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator()() const (this=0x2693290) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff630e2ee 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(sigc::internal::slot_rep*) (rep=0x2693260) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:115
#8  0x00007ffff3ddf3bd in call_thread_entry_slot () at /lib64/libglibmm-2.4.so.1
#9  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#10 0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fffd702e700 (LWP 25303)):
#0  0x00007fffec5700b9 in syscall () at /lib64/libc.so.6
#1  0x00007ffff38bfb6f in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff629fd42 in ARDOUR::Analyser::work() () at ../libs/ardour/analyser.cc:87
#3  0x00007ffff629fb2e in analyser_work() () at ../libs/ardour/analyser.cc:52
#4  0x0000000001aad05b in sigc::pointer_functor0<void>::operator()() const (this=0x2678ac8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#5  0x0000000001aaa400 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const (this=0x2678ac0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6  0x0000000001aa6303 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) (rep=0x2678a90)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:115
#7  0x00007ffff3ddf3bd in call_thread_entry_slot () at /lib64/libglibmm-2.4.so.1
#8  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#9  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fffec575f6d in clone () at /lib64/libc.so.6

---Type <return> to continue, or q <return> to quit---
Thread 4 (Thread 0x7fffd782f700 (LWP 25302)):
#0  0x00007fffec5700b9 in syscall () at /lib64/libc.so.6
#1  0x00007ffff38bfb6f in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff6931f1c in peak_thread_work() () at ../libs/ardour/source_factory.cc:71
#3  0x0000000001aad05b in sigc::pointer_functor0<void>::operator()() const (this=0x2613528) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x0000000001aaa400 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const (this=0x2613520)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#5  0x0000000001aa6303 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) (rep=0x26134f0)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:115
#6  0x00007ffff3ddf3bd in call_thread_entry_slot () at /lib64/libglibmm-2.4.so.1
#7  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#8  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fffd8030700 (LWP 25301)):
#0  0x00007fffec5700b9 in syscall () at /lib64/libc.so.6
#1  0x00007ffff38bfb6f in g_cond_wait () at /lib64/libglib-2.0.so.0
#2  0x00007ffff6931f1c in peak_thread_work() () at ../libs/ardour/source_factory.cc:71
#3  0x0000000001aad05b in sigc::pointer_functor0<void>::operator()() const (this=0x2676838) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x0000000001aaa400 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const (this=0x2676830)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#5  0x0000000001aa6303 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) (rep=0x2676800)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:115
#6  0x00007ffff3ddf3bd in call_thread_entry_slot () at /lib64/libglibmm-2.4.so.1
#7  0x00007ffff38a1cf5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#8  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fffd8831700 (LWP 25300)):
#0  0x00007fffef8084ad in nanosleep () at /lib64/libpthread.so.0
#1  0x00007ffff38a33d8 in g_usleep () at /lib64/libglib-2.0.so.0
#2  0x0000000001db8b93 in gui_event_loop(void*) (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:452
#3  0x00007fffef7ff5ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fffec575f6d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7ffff7f8d9c0 (LWP 25294)):
#0  0x00007fffec56a3ed in poll () at /lib64/libc.so.6
#1  0x00007ffff387ba06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007ffff387bd92 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007ffff2ee3197 in gtk_main () at /lib64/libgtk-x11-2.0.so.0
#4  0x00007ffff7503e2a in Gtkmm2ext::UI::run(Receiver&) (this=0x26bff20, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:286
---Type <return> to continue, or q <return> to quit---
#5  0x000000000183f238 in main(int, char**) (argc=1, argv=0x7fffffffd128) at ../gtk2_ardour/main.cc:435