rschneid@maui:~/src/ardour/gtk2_ardour$ ./ardbg 
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Reading symbols from ./../build/gtk2_ardour/ardour-4.2.644...done.
(gdb) run
Starting program: /home/rschneid/src/ardour/build/gtk2_ardour/ardour-4.2.644 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
bind txt domain [gtk2_ardour4] to /usr/local/share/ardour4/locale
Ardour4.2.644 (built using 4.2-644-g7c58b4d and GCC version 4.9.2)
ardour: [INFO]: Your system is configured to limit Ardour to only 65536 open files
ardour: [INFO]: Loading system configuration file /home/rschneid/src/ardour/system_config
Loading user configuration file /home/rschneid/.config/ardour4/config
CPU vendor: AuthenticAMD
ardour: [INFO]: AVX-capable processor
ardour: [INFO]: CPU brand: AMD FX(tm)-8120 Eight-Core Processor           
ardour: [INFO]: Using SSE optimized routines
[New Thread 0x7fffe0f0b700 (LWP 24710)]
[New Thread 0x7fffe170c700 (LWP 24709)]
[New Thread 0x7fffe1f0d700 (LWP 24708)]
[New Thread 0x7fffe270e700 (LWP 24707)]
Cannot xinstall SIGPIPE error handler
ardour: [INFO]: Loading default ui configuration file /home/rschneid/src/ardour/build/gtk2_ardour/default_ui_config
ardour: [INFO]: Loading user ui configuration file /home/rschneid/.config/ardour4/ui_config
Gtk-Message: Failed to load module "overlay-scrollbar"
ardour: [INFO]: Loading color file /home/rschneid/src/ardour/gtk2_ardour/dark.colors
ardour: [INFO]: Loading ui configuration file /home/rschneid/src/ardour/build/gtk2_ardour/clearlooks.rc
ardour: [INFO]: Loading ui configuration file /home/rschneid/src/ardour/build/gtk2_ardour/clearlooks.rc
[New Thread 0x7fffc2ffd700 (LWP 24719)]
[Thread 0x7fffc2ffd700 (LWP 24719) exited]
EngineControl::set_state
Found 7 along /home/rschneid/.config/ardour4/templates:./../templates:./../build/templates:./../gtk2_ardour/templates:./../build/gtk2_ardour/templates:./templates
Announcement is: 
run dialog
no more csLADSPA plugins
lilv_world_load_file(): error: Error loading file `file:///home/rschneid/.lv2/presets/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/rschneid/.lv2/presets/manifest.ttl
lilv_world_load_file(): error: Error loading file `file:///usr/lib/lv2/Pianoteq 5.lv2/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///usr/lib/lv2/Pianoteq 5.lv2/manifest.ttl
Scanning folders for bundled LV2s: ./../build/libs/LV2
lilv_world_load_file(): error: Error loading file `file:///home/rschneid/.lv2/presets/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/rschneid/.lv2/presets/manifest.ttl
lilv_world_load_file(): error: Error loading file `file:///usr/lib/lv2/Pianoteq 5.lv2/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///usr/lib/lv2/Pianoteq 5.lv2/manifest.ttl
Set cursor set to default
Set buffering params to 262144|131072|10|10
Creating a blank synth
Calling configure on soundfont
Loading /home/rschneid/Documents/Music/soundfonts/hammersound.com/Soundfont BassFing.sf2
fluidsynth: warning: No preset found on channel 9 [bank=128 prog=0]
sid=1
Calling configure on preset_key_set
Set buffering params to 262144|131072|10|10
Skip explicit buffer seconds, preset in use
Skip explicit buffer seconds, preset in use
fluidsynth: warning: No preset found on channel 9 [bank=128 prog=0]
[New Thread 0x7fff3ffff700 (LWP 24759)]
[New Thread 0x7fffc37fe700 (LWP 24757)]
[New Thread 0x7fffaf7fe700 (LWP 24756)]
[New Thread 0x7fffaffff700 (LWP 24750)]
[New Thread 0x7fffc3fff700 (LWP 24749)]
[New Thread 0x7fffc2ffd700 (LWP 24748)]
[New Thread 0x7fffae7e7800 (LWP 24747)]
[New Thread 0x7fffae869700 (LWP 24746)]
[New Thread 0x7fffae8ea700 (LWP 24745)]
[New Thread 0x7fffae96b700 (LWP 24744)]
[New Thread 0x7fffae9ec700 (LWP 24743)]
[New Thread 0x7fffaea6d700 (LWP 24742)]
[New Thread 0x7fffaeaee700 (LWP 24741)]
[New Thread 0x7fffaeb6f700 (LWP 24740)]
[New Thread 0x7fffc0631700 (LWP 24733)]
[New Thread 0x7fffc06b2700 (LWP 24732)]
[New Thread 0x7fffc201e700 (LWP 24731)]
[New Thread 0x7fffd0c2e700 (LWP 24714)]
[New Thread 0x7fffd142f700 (LWP 24713)]
[New Thread 0x7fffd35da700 (LWP 24712)]
[New Thread 0x7fffd3ddb700 (LWP 24711)]

Program received signal SIGILL, Illegal instruction.
__GI___pthread_rwlock_unlock (rwlock=0x9342b20) at pthread_rwlock_unlock.c:34
34	pthread_rwlock_unlock.c: No such file or directory.
(gdb) thread apply all bt

Thread 27 (Thread 0x7fffd3ddb700 (LWP 24711)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4a308ef in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff67eae94 in ARDOUR::AudioEngine::do_reset_backend (this=0x1a38970) at ../libs/ardour/audioengine.cc:502
#3  0x00007ffff67f8377 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x1a332d0, p=0x1a38970)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff67f7fc6 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x1a332e0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff67f78d0 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x1a332d0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff67f6e92 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=0x1a332d0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff67f5e33 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=0x1a332a0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff4f4620d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1b676aa in start_thread (arg=0x7fffd3ddb700) at pthread_create.c:333
#11 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7fffd35da700 (LWP 24712)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4a308ef in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff67eb0fb in ARDOUR::AudioEngine::do_devicelist_update (this=0x1a38970) at ../libs/ardour/audioengine.cc:537
#3  0x00007ffff67f8377 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x1a33320, p=0x1a38970)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff67f7fc6 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x1a33330, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff67f78d0 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x1a33320) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff67f6e92 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=0x1a33320) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff67f5e33 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=0x1a332f0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff4f4620d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1b676aa in start_thread (arg=0x7fffd35da700) at pthread_create.c:333
#11 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7fffd142f700 (LWP 24713)):
#0  0x00007ffff05458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff49ebebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff49ec242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffed6caaf6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff1b676aa in start_thread (arg=0x7fffd142f700) at pthread_create.c:333
#6  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7fffd0c2e700 (LWP 24714)):
#0  0x00007ffff05458dd in poll () at ../sysdeps/unix/syscall-template.S:81
---Type <return> to continue, or q <return> to quit--- 
#1  0x00007ffff49ebebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff49ebfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff49ec009 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff1b676aa in start_thread (arg=0x7fffd0c2e700) at pthread_create.c:333
#6  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7fffc201e700 (LWP 24731)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffd2727c2c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffd271ed78 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffd2726c10 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff1b676aa in start_thread (arg=0x7fffc201e700) at pthread_create.c:333
#5  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7fffc06b2700 (LWP 24732)):
#0  0x00007ffff1b6fe0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fffd27284a5 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffd272afab in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffd2726c10 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff1b676aa in start_thread (arg=0x7fffc06b2700) at pthread_create.c:333
#5  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7fffc0631700 (LWP 24733)):
#0  0x00007ffff1b6f2e3 in futex_abstimed_wait (cancel=true, private=128, abstime=0x7fffc0630b70, expected=0, futex=0x7fffd003a000) at sem_waitcommon.c:73
#1  do_futex_wait (sem=sem@entry=0x7fffd003a000, abstime=abstime@entry=0x7fffc0630b70) at sem_waitcommon.c:208
#2  0x00007ffff1b6f3af in __new_sem_wait_slow (sem=0x7fffd003a000, abstime=0x7fffc0630b70) at sem_waitcommon.c:277
#3  0x00007ffff1b6f472 in sem_timedwait (sem=<optimized out>, abstime=<optimized out>) at sem_timedwait.c:36
#4  0x00007fffd272774e in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fffd270fe7d in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007fffd270e3a7 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007fffd2ba51cd in ARDOUR::JACKAudioBackend::process_thread (this=0x1bf1060) at ../libs/backends/jack/jack_audiobackend.cc:937
#8  0x00007fffd2ba516a in ARDOUR::JACKAudioBackend::_process_thread (arg=0x1bf1060) at ../libs/backends/jack/jack_audiobackend.cc:916
#9  0x00007fffd270e30a in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#10 0x00007fffd2726c10 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007ffff1b676aa in start_thread (arg=0x7fffc0631700) at pthread_create.c:333
#12 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7fffaeb6f700 (LWP 24740)):
#0  0x00007ffff1b6f0c9 in futex_abstimed_wait (cancel=true, private=<optimized out>, abstime=0x0, expected=0, futex=0x3a60fb0) at sem_waitcommon.c:42
#1  do_futex_wait (sem=sem@entry=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:208
#2  0x00007ffff1b6f164 in __new_sem_wait_slow (sem=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:277
#3  0x00007ffff1b6f20a in __new_sem_wait (sem=<optimized out>) at sem_wait.c:28
#4  0x00007ffff69436be in PBD::ProcessSemaphore::wait (this=0x3a60fb0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:56
#5  0x00007ffff6941a73 in ARDOUR::Graph::run_one (this=0x3a60f00) at ../libs/ardour/graph.cc:387
#6  0x00007ffff6942074 in ARDOUR::Graph::main_thread (this=0x3a60f00) at ../libs/ardour/graph.cc:456
#7  0x00007ffff6947fe3 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffaeb6ec58, p=0x3a60f00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff6947672 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffaeb6ec68, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff6947010 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
---Type <return> to continue, or q <return> to quit---
    this=0x7fffaeb6ec58) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff6946781 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#11 0x0000000000634e21 in boost::function0<void>::operator() (this=0x7fffaeb6ec50) at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffd2ba5106 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x220f690) at ../libs/backends/jack/jack_audiobackend.cc:908
#13 0x00007ffff1b676aa in start_thread (arg=0x7fffaeb6f700) at pthread_create.c:333
#14 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fffaeaee700 (LWP 24741)):
#0  0x00007ffff1b6f0c9 in futex_abstimed_wait (cancel=true, private=<optimized out>, abstime=0x0, expected=0, futex=0x3a60fb0) at sem_waitcommon.c:42
#1  do_futex_wait (sem=sem@entry=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:208
#2  0x00007ffff1b6f164 in __new_sem_wait_slow (sem=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:277
#3  0x00007ffff1b6f20a in __new_sem_wait (sem=<optimized out>) at sem_wait.c:28
#4  0x00007ffff69436be in PBD::ProcessSemaphore::wait (this=0x3a60fb0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:56
#5  0x00007ffff6941a73 in ARDOUR::Graph::run_one (this=0x3a60f00) at ../libs/ardour/graph.cc:387
#6  0x00007ffff6941dfc in ARDOUR::Graph::helper_thread (this=0x3a60f00) at ../libs/ardour/graph.cc:418
#7  0x00007ffff6947fe3 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffaeaedc58, p=0x3a60f00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff6947672 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffaeaedc68, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff6947010 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffaeaedc58) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff6946781 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#11 0x0000000000634e21 in boost::function0<void>::operator() (this=0x7fffaeaedc50) at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffd2ba5106 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2143760) at ../libs/backends/jack/jack_audiobackend.cc:908
#13 0x00007ffff1b676aa in start_thread (arg=0x7fffaeaee700) at pthread_create.c:333
#14 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fffaea6d700 (LWP 24742)):
#0  0x00007ffff1b6f0c9 in futex_abstimed_wait (cancel=true, private=<optimized out>, abstime=0x0, expected=0, futex=0x3a60fb0) at sem_waitcommon.c:42
#1  do_futex_wait (sem=sem@entry=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:208
#2  0x00007ffff1b6f164 in __new_sem_wait_slow (sem=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:277
#3  0x00007ffff1b6f20a in __new_sem_wait (sem=<optimized out>) at sem_wait.c:28
#4  0x00007ffff69436be in PBD::ProcessSemaphore::wait (this=0x3a60fb0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:56
#5  0x00007ffff6941a73 in ARDOUR::Graph::run_one (this=0x3a60f00) at ../libs/ardour/graph.cc:387
#6  0x00007ffff6941dfc in ARDOUR::Graph::helper_thread (this=0x3a60f00) at ../libs/ardour/graph.cc:418
#7  0x00007ffff6947fe3 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffaea6cc58, p=0x3a60f00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff6947672 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffaea6cc68, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff6947010 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffaea6cc58) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff6946781 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#11 0x0000000000634e21 in boost::function0<void>::operator() (this=0x7fffaea6cc50) at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffd2ba5106 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2143760) at ../libs/backends/jack/jack_audiobackend.cc:908
#13 0x00007ffff1b676aa in start_thread (arg=0x7fffaea6d700) at pthread_create.c:333
#14 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fffae9ec700 (LWP 24743)):
#0  0x00007ffff1b6f0c9 in futex_abstimed_wait (cancel=true, private=<optimized out>, abstime=0x0, expected=0, futex=0x3a60fd0) at sem_waitcommon.c:42
---Type <return> to continue, or q <return> to quit---
#1  do_futex_wait (sem=sem@entry=0x3a60fd0, abstime=0x0) at sem_waitcommon.c:208
#2  0x00007ffff1b6f164 in __new_sem_wait_slow (sem=0x3a60fd0, abstime=0x0) at sem_waitcommon.c:277
#3  0x00007ffff1b6f20a in __new_sem_wait (sem=<optimized out>) at sem_wait.c:28
#4  0x00007ffff69436be in PBD::ProcessSemaphore::wait (this=0x3a60fd0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:56
#5  0x00007ffff6940fec in ARDOUR::Graph::restart_cycle (this=0x3a60f00) at ../libs/ardour/graph.cc:261
#6  0x00007ffff6940fb9 in ARDOUR::Graph::dec_ref (this=0x3a60f00) at ../libs/ardour/graph.cc:248
#7  0x00007ffff6948967 in ARDOUR::GraphNode::finish (this=0x9580f90, chain=1) at ../libs/ardour/graphnode.cc:71
#8  0x00007ffff6941beb in ARDOUR::Graph::run_one (this=0x3a60f00) at ../libs/ardour/graph.cc:401
#9  0x00007ffff6941dfc in ARDOUR::Graph::helper_thread (this=0x3a60f00) at ../libs/ardour/graph.cc:418
#10 0x00007ffff6947fe3 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffae9ebc58, p=0x3a60f00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#11 0x00007ffff6947672 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffae9ebc68, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#12 0x00007ffff6947010 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffae9ebc58) at /usr/include/boost/bind/bind_template.hpp:20
#13 0x00007ffff6946781 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#14 0x0000000000634e21 in boost::function0<void>::operator() (this=0x7fffae9ebc50) at /usr/include/boost/function/function_template.hpp:767
#15 0x00007fffd2ba5106 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x220f690) at ../libs/backends/jack/jack_audiobackend.cc:908
#16 0x00007ffff1b676aa in start_thread (arg=0x7fffae9ec700) at pthread_create.c:333
#17 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fffae96b700 (LWP 24744)):
#0  0x00007ffff1b6f0c9 in futex_abstimed_wait (cancel=true, private=<optimized out>, abstime=0x0, expected=0, futex=0x3a60fb0) at sem_waitcommon.c:42
#1  do_futex_wait (sem=sem@entry=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:208
#2  0x00007ffff1b6f164 in __new_sem_wait_slow (sem=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:277
#3  0x00007ffff1b6f20a in __new_sem_wait (sem=<optimized out>) at sem_wait.c:28
#4  0x00007ffff69436be in PBD::ProcessSemaphore::wait (this=0x3a60fb0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:56
#5  0x00007ffff6941a73 in ARDOUR::Graph::run_one (this=0x3a60f00) at ../libs/ardour/graph.cc:387
#6  0x00007ffff6941dfc in ARDOUR::Graph::helper_thread (this=0x3a60f00) at ../libs/ardour/graph.cc:418
#7  0x00007ffff6947fe3 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffae96ac58, p=0x3a60f00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff6947672 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffae96ac68, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff6947010 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffae96ac58) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff6946781 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#11 0x0000000000634e21 in boost::function0<void>::operator() (this=0x7fffae96ac50) at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffd2ba5106 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2143760) at ../libs/backends/jack/jack_audiobackend.cc:908
#13 0x00007ffff1b676aa in start_thread (arg=0x7fffae96b700) at pthread_create.c:333
#14 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fffae8ea700 (LWP 24745)):
#0  0x00007ffff1b6f0c9 in futex_abstimed_wait (cancel=true, private=<optimized out>, abstime=0x0, expected=0, futex=0x3a60fb0) at sem_waitcommon.c:42
#1  do_futex_wait (sem=sem@entry=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:208
#2  0x00007ffff1b6f164 in __new_sem_wait_slow (sem=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:277
#3  0x00007ffff1b6f20a in __new_sem_wait (sem=<optimized out>) at sem_wait.c:28
#4  0x00007ffff69436be in PBD::ProcessSemaphore::wait (this=0x3a60fb0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:56
#5  0x00007ffff6941a73 in ARDOUR::Graph::run_one (this=0x3a60f00) at ../libs/ardour/graph.cc:387
#6  0x00007ffff6941dfc in ARDOUR::Graph::helper_thread (this=0x3a60f00) at ../libs/ardour/graph.cc:418
#7  0x00007ffff6947fe3 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffae8e9c58, p=0x3a60f00) at /usr/include/boost/bind/mem_fn_template.hpp:49
---Type <return> to continue, or q <return> to quit---
#8  0x00007ffff6947672 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffae8e9c68, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff6947010 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffae8e9c58) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff6946781 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#11 0x0000000000634e21 in boost::function0<void>::operator() (this=0x7fffae8e9c50) at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffd2ba5106 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x220f690) at ../libs/backends/jack/jack_audiobackend.cc:908
#13 0x00007ffff1b676aa in start_thread (arg=0x7fffae8ea700) at pthread_create.c:333
#14 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fffae869700 (LWP 24746)):
#0  0x00007ffff1b6f0c9 in futex_abstimed_wait (cancel=true, private=<optimized out>, abstime=0x0, expected=0, futex=0x3a60fb0) at sem_waitcommon.c:42
#1  do_futex_wait (sem=sem@entry=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:208
#2  0x00007ffff1b6f164 in __new_sem_wait_slow (sem=0x3a60fb0, abstime=0x0) at sem_waitcommon.c:277
#3  0x00007ffff1b6f20a in __new_sem_wait (sem=<optimized out>) at sem_wait.c:28
#4  0x00007ffff69436be in PBD::ProcessSemaphore::wait (this=0x3a60fb0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:56
#5  0x00007ffff6941a73 in ARDOUR::Graph::run_one (this=0x3a60f00) at ../libs/ardour/graph.cc:387
#6  0x00007ffff6941dfc in ARDOUR::Graph::helper_thread (this=0x3a60f00) at ../libs/ardour/graph.cc:418
#7  0x00007ffff6947fe3 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffae868c58, p=0x3a60f00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff6947672 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffae868c68, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff6947010 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffae868c58) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff6946781 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#11 0x0000000000634e21 in boost::function0<void>::operator() (this=0x7fffae868c50) at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffd2ba5106 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2143760) at ../libs/backends/jack/jack_audiobackend.cc:908
#13 0x00007ffff1b676aa in start_thread (arg=0x7fffae869700) at pthread_create.c:333
#14 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fffae7e7800 (LWP 24747)):
#0  0x00007ffff05458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff567a0e5 in CrossThreadChannel::poll_for_request (this=0x2215e90) at ../libs/pbd/crossthread.posix.cc:80
#2  0x00007ffff567a161 in CrossThreadChannel::receive (this=0x2215e90, msg=@0x7fffae7e6c20: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:101
#3  0x00007ffff6857c5f in ARDOUR::Butler::thread_work (this=0x2215e00) at ../libs/ardour/butler.cc:175
#4  0x00007ffff6857a0c in ARDOUR::Butler::_thread_work (arg=0x2215e00) at ../libs/ardour/butler.cc:156
#5  0x00007ffff5692460 in fake_thread_start (arg=0x3cdca20) at ../libs/pbd/pthread_utils.cc:93
#6  0x00007ffff1b676aa in start_thread (arg=0x7fffae7e7800) at pthread_create.c:333
#7  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fffc2ffd700 (LWP 24748)):
#0  0x00007ffff05458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff49ebebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff49ec242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5663460 in BaseUI::main_thread (this=0x3cdcd30) at ../libs/pbd/base_ui.cc:86
#4  0x00007ffff56674e2 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x3cdd388) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff5667242 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x3cdd380)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6  0x00007ffff5666c6c in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x3cdd350)
---Type <return> to continue, or q <return> to quit---
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff4f4620d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1b676aa in start_thread (arg=0x7fffc2ffd700) at pthread_create.c:333
#10 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fffc3fff700 (LWP 24749)):
#0  0x00007ffff1b6fe0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fff94aa718d in ?? () from /usr/lib/lv2/drumgizmo.lv2/drumgizmo.so
#2  0x00007fff94a8232a in ?? () from /usr/lib/lv2/drumgizmo.lv2/drumgizmo.so
#3  0x00007fff94a4d9a0 in AudioFile::load(int) () from /usr/lib/lv2/drumgizmo.lv2/drumgizmo.so
#4  0x00007fff94a54b01 in DrumKitLoader::thread_main() () from /usr/lib/lv2/drumgizmo.lv2/drumgizmo.so
#5  0x00007fff94a60e6a in ?? () from /usr/lib/lv2/drumgizmo.lv2/drumgizmo.so
#6  0x00007ffff1b676aa in start_thread (arg=0x7fffc3fff700) at pthread_create.c:333
#7  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fffaffff700 (LWP 24750)):
#0  0x00007ffff05458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff49ebebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff49ec242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5663460 in BaseUI::main_thread (this=0x2c9bba8) at ../libs/pbd/base_ui.cc:86
#4  0x00007ffff56674e2 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x97433c8) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff5667242 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x97433c0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6  0x00007ffff5666c6c in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x9743390)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff4f4620d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1b676aa in start_thread (arg=0x7fffaffff700) at pthread_create.c:333
#10 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fffaf7fe700 (LWP 24756)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff6bddfbc in ARDOUR::Session::emit_thread_run (this=0x22074b0) at ../libs/ardour/session_process.cc:1313
#2  0x00007ffff6bddf66 in ARDOUR::Session::emit_thread (arg=0x22074b0) at ../libs/ardour/session_process.cc:1302
#3  0x00007ffff1b676aa in start_thread (arg=0x7fffaf7fe700) at pthread_create.c:333
#4  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fffc37fe700 (LWP 24757)):
#0  0x00007ffff1b7053d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4a13f88 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff684288f in ARDOUR::AutomationWatch::thread (this=0x2780580) at ../libs/ardour/automation_watch.cc:153
#3  0x00007ffff684639f in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x10fe11a0, p=0x2780580)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6845f90 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x10fe11b0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6845ab6 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x10fe11a0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6845a12 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=0x10fe11a0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
---Type <return> to continue, or q <return> to quit---
#7  0x00007ffff68453fb 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=0x10fe1170) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff4f4620d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1b676aa in start_thread (arg=0x7fffc37fe700) at pthread_create.c:333
#11 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fff3ffff700 (LWP 24759)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4a30a0a in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff49c0889 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff49c0eab in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff4a133ac in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff1b676aa in start_thread (arg=0x7fff3ffff700) at pthread_create.c:333
#7  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fffe270e700 (LWP 24707)):
#0  0x00007ffff1b7053d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4a13f88 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x0000000000fd757a in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:476
#3  0x00007ffff1b676aa in start_thread (arg=0x7fffe270e700) at pthread_create.c:333
#4  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fffe1f0d700 (LWP 24708)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4a308ef in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6c4c26b in peak_thread_work () at ../libs/ardour/source_factory.cc:71
#3  0x0000000000cd9991 in sigc::pointer_functor0<void>::operator() (this=0x18a84b8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x0000000000cd6a6e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x18a84b0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#5  0x0000000000cd2e36 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x18a8480)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff4f4620d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff1b676aa in start_thread (arg=0x7fffe1f0d700) at pthread_create.c:333
#9  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fffe170c700 (LWP 24709)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4a308ef in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6c4c26b in peak_thread_work () at ../libs/ardour/source_factory.cc:71
#3  0x0000000000cd9991 in sigc::pointer_functor0<void>::operator() (this=0x1890a48) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x0000000000cd6a6e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x1890a40)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#5  0x0000000000cd2e36 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x1890a10)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff4f4620d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff1b676aa in start_thread (arg=0x7fffe170c700) at pthread_create.c:333
---Type <return> to continue, or q <return> to quit---
#9  0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fffe0f0b700 (LWP 24710)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4a308ef in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff67961ef in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:85
#3  0x00007ffff6795f8b in analyser_work () at ../libs/ardour/analyser.cc:50
#4  0x0000000000cd9991 in sigc::pointer_functor0<void>::operator() (this=0x18a9ab8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#5  0x0000000000cd6a6e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x18a9ab0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6  0x0000000000cd2e36 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x18a9a80)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff4f4620d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff4a12955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1b676aa in start_thread (arg=0x7fffe0f0b700) at pthread_create.c:333
#10 0x00007ffff0550eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ffff7f889c0 (LWP 24699)):
#0  __GI___pthread_rwlock_unlock (rwlock=0x9342b20) at pthread_rwlock_unlock.c:34
#1  0x00007ffff67c2ec7 in Glib::Threads::RWLock::WriterLock::release (this=0x7fffffffb050) at /usr/include/glibmm-2.4/glibmm/threads.h:864
#2  0x00007ffff67c3319 in ARDOUR::Playlist::RegionWriteLock::~RegionWriteLock (this=0x7fffffffb050, __in_chrg=<optimized out>)
    at /home/rschneid/src/ardour/libs/ardour/ardour/playlist.h:263
#3  0x00007ffff6a5d02e in ARDOUR::Playlist::foreach_region(boost::function<void (boost::shared_ptr<ARDOUR::Region>)>) (this=0x9345e10, s=...)
    at ../libs/ardour/playlist.cc:2847
#4  0x00000000007118f1 in AudioStreamView::redisplay_track (this=0x1ecc8a0) at ../gtk2_ardour/audio_streamview.cc:171
#5  0x0000000000eeb3e0 in StreamView::playlist_switched (this=0x1ecc8a0, wtr=...) at ../gtk2_ardour/streamview.cc:318
#6  0x0000000000eeaa9d in StreamView::display_track (this=0x1ecc8a0, tr=...) at ../gtk2_ardour/streamview.cc:218
#7  0x0000000000eea2e3 in StreamView::attach (this=0x1ecc8a0) at ../gtk2_ardour/streamview.cc:102
#8  0x0000000000721433 in AudioTimeAxisView::first_idle (this=0x2493000) at ../gtk2_ardour/audio_time_axis.cc:152
#9  0x00000000007bd427 in Editor::first_idle (this=0x43b4f50) at ../gtk2_ardour/editor.cc:5085
#10 0x000000000065ecf1 in ARDOUR_UI::first_idle (this=0x1a524f0) at ../gtk2_ardour/ardour_ui.cc:4546
#11 0x0000000000690bbc in sigc::bound_mem_functor0<bool, ARDOUR_UI>::operator() (this=0x121f5b88) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#12 0x0000000000687f16 in sigc::adaptor_functor<sigc::bound_mem_functor0<bool, ARDOUR_UI> >::operator() (this=0x121f5b80)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#13 0x00000000006812e0 in sigc::internal::slot_call0<sigc::bound_mem_functor0<bool, ARDOUR_UI>, bool>::call_it (rep=0x121f5b50)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#14 0x00007ffff4f4e5d2 in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#15 0x00007ffff49ebb4d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007ffff49ebf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007ffff49ebfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007ffff4281a71 in gtk_main_iteration () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#19 0x00007ffff757ab51 in Gtkmm2ext::UI::flush_pending (this=0x1a524f0) at ../libs/gtkmm2ext/gtk_ui.cc:724
#20 0x0000000000655f28 in ARDOUR_UI::load_session (this=0x1a524f0, path="/home/rschneid/Documents/Music/Songprojekte/Holes", snap_name="Holes", mix_template="")
    at ../gtk2_ardour/ardour_ui.cc:3209
#21 0x0000000000655270 in ARDOUR_UI::get_session_parameters (this=0x1a524f0, quit_on_cancel=false, should_be_new=false, load_template="")
    at ../gtk2_ardour/ardour_ui.cc:3022
#22 0x000000000064b2f0 in ARDOUR_UI::starting (this=0x1a524f0) at ../gtk2_ardour/ardour_ui.cc:1010
#23 0x00007ffff7578703 in Gtkmm2ext::UI::run (this=0x1a524f0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:275
#24 0x0000000000aa956e in main (argc=1, argv=0x7fffffffd228) at ../gtk2_ardour/main.cc:388
(gdb)