(gdb) run Starting program: /home/****/Scaricati/ardour/src/ardour/build/gtk2_ardour/ardour-6.6.339 [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". bind txt domain [gtk2_ardour6] to /usr/share/ardour6/locale Ardour6.6.339 (compilato usando 6.6-339-geeadf5087d e la versione di GCC 10.2.0) Ardour: [INFO]: Your system is configured to limit Ardour to 524288 open files Ardour: [INFO]: Caricamento del file di configurazione del sistema /home/****/Scaricati/ardour/src/ardour/system_config Ardour: [INFO]: Caricamento del file di configurazione utente /home/****/.config/ardour6/config [New Thread 0x7fffeb720640 (LWP 15644)] Ardour: [INFO]: CPU vendor: GenuineIntel Ardour: [INFO]: AVX-capable processor Ardour: [INFO]: AVX with FMA capable processor Ardour: [INFO]: CPU brand: Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz Ardour: [INFO]: Using AVX and FMA optimized routines [New Thread 0x7fffeaf1f640 (LWP 15645)] [New Thread 0x7fffea71e640 (LWP 15646)] [New Thread 0x7fffe9f1d640 (LWP 15647)] Ardour: [INFO]: Loading plugin meta data file /home/****/Scaricati/ardour/src/ardour/share/plugin_metadata/plugin_tags Ardour: [INFO]: Loading plugin statistics file /home/****/.config/ardour6/plugin_metadata/plugin_stats [New Thread 0x7fffe8e73640 (LWP 15648)] [Thread 0x7fffe8e73640 (LWP 15648) exited] [New Thread 0x7fffe8e73640 (LWP 15649)] [New Thread 0x7fffdbfff640 (LWP 15650)] [New Thread 0x7fffdb7fe640 (LWP 15652)] Ardour: [INFO]: Loading 451 MIDI patches from /home/****/Scaricati/ardour/src/ardour/share/patchfiles Ardour: [INFO]: Caricamento file di configurazione interfaccia predefinito /home/****/Scaricati/ardour/src/ardour/build/gtk2_ardour/default_ui_config Ardour: [INFO]: Caricamento file di configurazione interfaccia /home/****/.config/ardour6/ui_config [New Thread 0x7fffdaffd640 (LWP 15653)] [New Thread 0x7fffda7fc640 (LWP 15654)] [New Thread 0x7fffd9ffb640 (LWP 15655)] Ardour: [INFO]: Caricamento file colori /home/****/Scaricati/ardour/src/ardour/gtk2_ardour/themes/dark-ardour.colors Ardour: [INFO]: Caricamento configurazione interfaccia /home/****/Scaricati/ardour/src/ardour/build/gtk2_ardour/clearlooks.rc Ardour: [INFO]: Loading bindings from /home/****/Scaricati/ardour/src/ardour/build/gtk2_ardour/ardour.keys Caricamento configurazione interfaccia /home/****/Scaricati/ardour/src/ardour/build/gtk2_ardour/clearlooks.rc [New Thread 0x7fffe81c8640 (LWP 15656)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel jack server is not running or cannot be started [Thread 0x7fffe81c8640 (LWP 15656) exited] JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [New Thread 0x7fffe81c8640 (LWP 15657)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel jack server is not running or cannot be started JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [Thread 0x7fffe81c8640 (LWP 15657) exited] [New Thread 0x7fffe81c8640 (LWP 15658)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel jack server is not running or cannot be started JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [Thread 0x7fffe81c8640 (LWP 15658) exited] [New Thread 0x7fffe81c8640 (LWP 15659)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel jack server is not running or cannot be started JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [Thread 0x7fffe81c8640 (LWP 15659) exited] [New Thread 0x7fffd97fa640 (LWP 15660)] Found nothing along /home/****/.config/ardour6/templates:/home/****/Scaricati/ardour/src/ardour/share/templates:/home/****/Scaricati/ardour/src/ardour/build/templates:/home/****/Scaricati/ardour/src/ardour/gtk2_ardour/templates:/home/****/Scaricati/ardour/src/ardour/build/gtk2_ardour/templates [Thread 0x7fffd9ffb640 (LWP 15655) exited] [Thread 0x7fffda7fc640 (LWP 15654) exited] [Thread 0x7fffdb7fe640 (LWP 15652) exited] JACK command line will be: /usr/bin/jackd -t 200 -p 2048 -R -T -d alsa -n 2 -r 48000 -p 256 -d hw:PCH,0 [New Thread 0x7fffe81c8640 (LWP 15661)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel Automatic start of JACK server is disabled at configure time jack server is not running or cannot be started JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [Thread 0x7fffe81c8640 (LWP 15661) exited] [New Thread 0x7fffda7fc640 (LWP 15662)] [New Thread 0x7fffd9ffb640 (LWP 15663)] [New Thread 0x7fffe81c8640 (LWP 15664)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel jack server is not running or cannot be started [Thread 0x7fffe81c8640 (LWP 15664) exited] JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [New Thread 0x7fffe81c8640 (LWP 15665)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel jack server is not running or cannot be started JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [Thread 0x7fffe81c8640 (LWP 15665) exited] [New Thread 0x7fffe81c8640 (LWP 15666)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel jack server is not running or cannot be started JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [Thread 0x7fffe81c8640 (LWP 15666) exited] [Thread 0x7fffda7fc640 (LWP 15662) exited] [Thread 0x7fffd97fa640 (LWP 15660) exited] [Detaching after vfork from child process 15667] [New Thread 0x7fffd97fa640 (LWP 15668)] --[[ ALSA Device hw:PCH,0 playback nchan : 2 fsamp : 48000 fsize : 512 nfrag : 2 format : S32_LE capture nchan : 2 fsamp : 48000 fsize : 512 nfrag : 2 format : S32_LE synced --]] [New Thread 0x7fffd8e8a0c0 (LWP 15669)] [New Thread 0x7fffda7fc640 (LWP 15670)] Scanning folders for bundled LV2s: /home/****/Scaricati/ardour/src/ardour/build/libs/LV2 [New Thread 0x7fffb7fff640 (LWP 15671)] [New Thread 0x7fffb77fe640 (LWP 15672)] [Detaching after vfork from child process 15673] [New Thread 0x7fffb6ffd640 (LWP 15674)] [Thread 0x7fffb6ffd640 (LWP 15674) exited] [Detaching after vfork from child process 15675] [New Thread 0x7fffb6ffd640 (LWP 15676)] [Thread 0x7fffb77fe640 (LWP 15672) exited] [Thread 0x7fffb7fff640 (LWP 15671) exited] [Thread 0x7fffb6ffd640 (LWP 15676) exited] Set cursor set to default [New Thread 0x7fffb6ffd640 (LWP 15677)] loading from /home/****/ArdourSessions/try as try templ is_new 0 bp 0 [New Thread 0x7fffd863a0c0 (LWP 15678)] [New Thread 0x7fffd862e0c0 (LWP 15679)] [New Thread 0x7fffd86220c0 (LWP 15680)] [New Thread 0x7fffd86160c0 (LWP 15681)] [New Thread 0x7fffd860a0c0 (LWP 15682)] [New Thread 0x7fffd85fe0c0 (LWP 15683)] [New Thread 0x7fffd85f20c0 (LWP 15684)] [New Thread 0x7fffd85e60c0 (LWP 15685)] [New Thread 0x7fffd85620c0 (LWP 15686)] [New Thread 0x7fffd84de0c0 (LWP 15687)] [New Thread 0x7fffd845a0c0 (LWP 15688)] [New Thread 0x7fffd83d60c0 (LWP 15689)] [New Thread 0x7fffd83520c0 (LWP 15690)] [New Thread 0x7fffd82ce0c0 (LWP 15691)] [New Thread 0x7fffe81c8640 (LWP 15692)] [New Thread 0x7fffb7fff640 (LWP 15693)] [New Thread 0x7fffb77fe640 (LWP 15694)] [New Thread 0x7fffb4ff9640 (LWP 15695)] [New Thread 0x7fff67fff640 (LWP 15696)] locate to 0 took 15829 usecs for 17 tracks = 931 per track locate to 0 took 8733 usecs for 17 tracks = 514 per track locate to 11532583 took 10795 usecs for 17 tracks = 635 per track [New Thread 0x7fffd80f2640 (LWP 15697)] Cannot connect to server socket err = File o directory non esistente Cannot connect to server request channel jack server is not running or cannot be started JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock [Thread 0x7fffd80f2640 (LWP 15697) exited] [New Thread 0x7fff677fe640 (LWP 15698)] [New Thread 0x7fff66ffd640 (LWP 15699)] [New Thread 0x7fff667fc640 (LWP 15700)] [New Thread 0x7fff65ffb640 (LWP 15701)] [New Thread 0x7fff657fa640 (LWP 15702)] [New Thread 0x7fff64ff9640 (LWP 15703)] [New Thread 0x7fff5ffff640 (LWP 15704)] [Thread 0x7fffd9ffb640 (LWP 15663) exited] [New Thread 0x7fffd9ffb640 (LWP 15705)] [New Thread 0x7fff5f7fe640 (LWP 15706)] Dragging region(s) from 1 different track(s), max dist: 0 /usr/include/c++/10.2.0/bits/stl_vector.h:1045: std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = TimeAxisView*; _Alloc = std::allocator; std::vector<_Tp, _Alloc>::reference = TimeAxisView*&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]: Assertion '__builtin_expect(__n < this->size(), true)' failed. --Type for more, q to quit, c to continue without paging--c Thread 1 "ArdourGUI" received signal SIGABRT, Aborted. 0x00007ffff471eef5 in raise () from /usr/lib/libc.so.6 (gdb) thread apply all bt Thread 60 (Thread 0x7fff5f7fe640 (LWP 15706) "pool-ardour-6.6"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a1906b in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff699a8b3 in () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff69fbddb in () at /usr/lib/libglib-2.0.so.0 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 59 (Thread 0x7fffd9ffb640 (LWP 15705) "pool-ardour-6.6"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a1906b in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff699a8b3 in () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff69fbddb in () at /usr/lib/libglib-2.0.so.0 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 58 (Thread 0x7fff5ffff640 (LWP 15704) "WaveViewDrawing"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7f8e22d in ArdourWaveView::WaveViewDrawRequestQueue::dequeue(bool) (this=0x55555bf57018, block=) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff7f8e6f9 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff7f8e787 in ArdourWaveView::WaveViewDrawingThread::run() (this=0x55555c4ed5a0) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 --Type for more, q to quit, c to continue without paging--c #6 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 57 (Thread 0x7fff64ff9640 (LWP 15703) "WaveViewDrawing"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7f8e22d in ArdourWaveView::WaveViewDrawRequestQueue::dequeue(bool) (this=0x55555bf57018, block=) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff7f8e6f9 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff7f8e787 in ArdourWaveView::WaveViewDrawingThread::run() (this=0x55555bc51ae0) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #6 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 56 (Thread 0x7fff657fa640 (LWP 15702) "WaveViewDrawing"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7f8e22d in ArdourWaveView::WaveViewDrawRequestQueue::dequeue(bool) (this=0x55555bf57018, block=) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff7f8e6f9 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff7f8e787 in ArdourWaveView::WaveViewDrawingThread::run() (this=0x55555cbe9cd0) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #6 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 55 (Thread 0x7fff65ffb640 (LWP 15701) "WaveViewDrawing"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7f8e22d in ArdourWaveView::WaveViewDrawRequestQueue::dequeue(bool) (this=0x55555bf57018, block=) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff7f8e6f9 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff7f8e787 in ArdourWaveView::WaveViewDrawingThread::run() (this=0x55555a3b7520) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #6 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 54 (Thread 0x7fff667fc640 (LWP 15700) "WaveViewDrawing"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7f8e22d in ArdourWaveView::WaveViewDrawRequestQueue::dequeue(bool) (this=0x55555bf57018, block=) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff7f8e6f9 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff7f8e787 in ArdourWaveView::WaveViewDrawingThread::run() (this=0x55555ab7d7e0) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #6 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 53 (Thread 0x7fff66ffd640 (LWP 15699) "WaveViewDrawing"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7f8e22d in ArdourWaveView::WaveViewDrawRequestQueue::dequeue(bool) (this=0x55555bf57018, block=) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff7f8e6f9 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff7f8e787 in ArdourWaveView::WaveViewDrawingThread::run() (this=0x55555b165b40) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #6 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 52 (Thread 0x7fff677fe640 (LWP 15698) "WaveViewDrawing"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7f8e22d in ArdourWaveView::WaveViewDrawRequestQueue::dequeue(bool) (this=0x55555bf57018, block=) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff7f8e6f9 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff7f8e787 in ArdourWaveView::WaveViewDrawingThread::run() (this=0x55555a580b80) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #6 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 50 (Thread 0x7fff67fff640 (LWP 15696) "AutomationWatch"): #0 0x00007ffff47a9125 in clock_nanosleep@GLIBC_2.2.5 () at /usr/lib/libc.so.6 #1 0x00007ffff47ae357 in nanosleep () at /usr/lib/libc.so.6 #2 0x00007ffff69f45f1 in g_usleep () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff7593e1b in ARDOUR::AutomationWatch::thread() (this=0x555556dab3b0) at ../libs/ardour/automation_watch.cc:195 #4 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #5 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #6 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #7 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 49 (Thread 0x7fffb4ff9640 (LWP 15695) "autoconnect"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5577260 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7aa4bcc in ARDOUR::Session::auto_connect_thread_run() (this=0x55555bb18410) at ../libs/ardour/session.cc:7181 #3 0x00007ffff7aa506e in ARDOUR::Session::auto_connect_thread(void*) (arg=0x55555bb18410) at ../libs/ardour/session.cc:7112 #4 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #5 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 48 (Thread 0x7fffb77fe640 (LWP 15694) "SessionSignals"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5577260 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7b201c5 in ARDOUR::Session::emit_thread_run() (this=0x55555bb18410) at ../libs/ardour/session_process.cc:1123 #3 0x00007ffff7b201fe in ARDOUR::Session::emit_thread(void*) (arg=0x55555bb18410) at ../libs/ardour/session_process.cc:1112 #4 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #5 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 47 (Thread 0x7fffb7fff640 (LWP 15693) "midiUI"): #0 0x00007ffff47d637f in poll () at /usr/lib/libc.so.6 #1 0x00007ffff6a1eae8 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff69ca593 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 46 (Thread 0x7fffe81c8640 (LWP 15692) "butler"): #0 0x00007ffff47d637f in poll () at /usr/lib/libc.so.6 #1 0x00007ffff6d55ecd in poll (__timeout=-1, __nfds=1, __fds=0x7fffe81c71a0) at /usr/include/bits/poll2.h:47 #2 CrossThreadChannel::poll_for_request() (this=) at ../libs/pbd/crossthread.posix.cc:102 #3 0x00007ffff6d55f53 in CrossThreadChannel::receive(char&, bool) (this=this@entry=0x55555cb178c8, msg=@0x7fffe81c7238: 0 '\000', wait=wait@entry=true) at ../libs/pbd/crossthread.posix.cc:123 #4 0x00007ffff75a665c in ARDOUR::Butler::thread_work() (this=0x55555cb17830) at ../libs/ardour/butler.cc:172 #5 0x00007ffff6d7a62d in fake_thread_start(void*) (arg=0x5555597efc10) at ../libs/pbd/pthread_utils.cc:113 #6 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #7 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 45 (Thread 0x7fffd82ce0c0 (LWP 15691) "RT-6-0x7fffd82c"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff767c370 in PBD::Semaphore::wait() (this=0x555558e2a700) at ../libs/pbd/pbd/semutils.h:64 #3 ARDOUR::Graph::run_one() (this=0x555558e2a650) at ../libs/ardour/graph.cc:426 #4 0x00007ffff767cc69 in ARDOUR::Graph::helper_thread() (this=0x555558e2a650) at ../libs/ardour/graph.cc:470 #5 0x00007fffe8453922 in boost::function0::operator()() const (this=0x7fffd82ccf10) at /usr/include/boost/function/function_template.hpp:763 #6 ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0x7fffd82ccf18) at ../libs/backends/alsa/alsa_audiobackend.cc:1169 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 44 (Thread 0x7fffd83520c0 (LWP 15690) "RT-5-0x7fffd835"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff767c370 in PBD::Semaphore::wait() (this=0x555558e2a700) at ../libs/pbd/pbd/semutils.h:64 #3 ARDOUR::Graph::run_one() (this=0x555558e2a650) at ../libs/ardour/graph.cc:426 #4 0x00007ffff767cc69 in ARDOUR::Graph::helper_thread() (this=0x555558e2a650) at ../libs/ardour/graph.cc:470 #5 0x00007fffe8453922 in boost::function0::operator()() const (this=0x7fffd8350f10) at /usr/include/boost/function/function_template.hpp:763 #6 ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0x7fffd8350f18) at ../libs/backends/alsa/alsa_audiobackend.cc:1169 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 43 (Thread 0x7fffd83d60c0 (LWP 15689) "RT-4-0x7fffd83d"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff767bf62 in PBD::Semaphore::wait() (this=0x555558e2a728) at ../libs/pbd/pbd/semutils.h:64 #3 ARDOUR::Graph::reached_terminal_node() (this=0x555558e2a650) at ../libs/ardour/graph.cc:301 #4 0x00007ffff7683c6c in ARDOUR::GraphNode::finish(int) (this=this@entry=0x555557bfac90, chain=chain@entry=0) at ../libs/ardour/graphnode.cc:74 #5 0x00007ffff767c5b6 in ARDOUR::GraphNode::run(int) (chain=0, this=0x555557bfac90) at ../libs/ardour/ardour/graphnode.h:65 #6 ARDOUR::Graph::run_one() (this=0x555558e2a650) at ../libs/ardour/graph.cc:442 #7 0x00007ffff767cc69 in ARDOUR::Graph::helper_thread() (this=0x555558e2a650) at ../libs/ardour/graph.cc:470 #8 0x00007fffe8453922 in boost::function0::operator()() const (this=0x7fffd83d4f10) at /usr/include/boost/function/function_template.hpp:763 #9 ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0x7fffd83d4f18) at ../libs/backends/alsa/alsa_audiobackend.cc:1169 #10 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 42 (Thread 0x7fffd845a0c0 (LWP 15688) "RT-3-0x7fffd845"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff767c370 in PBD::Semaphore::wait() (this=0x555558e2a700) at ../libs/pbd/pbd/semutils.h:64 #3 ARDOUR::Graph::run_one() (this=0x555558e2a650) at ../libs/ardour/graph.cc:426 #4 0x00007ffff767cc69 in ARDOUR::Graph::helper_thread() (this=0x555558e2a650) at ../libs/ardour/graph.cc:470 #5 0x00007fffe8453922 in boost::function0::operator()() const (this=0x7fffd8458f10) at /usr/include/boost/function/function_template.hpp:763 #6 ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0x7fffd8458f18) at ../libs/backends/alsa/alsa_audiobackend.cc:1169 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 41 (Thread 0x7fffd84de0c0 (LWP 15687) "RT-2-0x7fffd84d"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff767c370 in PBD::Semaphore::wait() (this=0x555558e2a700) at ../libs/pbd/pbd/semutils.h:64 #3 ARDOUR::Graph::run_one() (this=0x555558e2a650) at ../libs/ardour/graph.cc:426 #4 0x00007ffff767cc69 in ARDOUR::Graph::helper_thread() (this=0x555558e2a650) at ../libs/ardour/graph.cc:470 #5 0x00007fffe8453922 in boost::function0::operator()() const (this=0x7fffd84dcf10) at /usr/include/boost/function/function_template.hpp:763 #6 ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0x7fffd84dcf18) at ../libs/backends/alsa/alsa_audiobackend.cc:1169 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 40 (Thread 0x7fffd85620c0 (LWP 15686) "RT-1-0x7fffd856"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff767c370 in PBD::Semaphore::wait() (this=0x555558e2a700) at ../libs/pbd/pbd/semutils.h:64 #3 ARDOUR::Graph::run_one() (this=0x555558e2a650) at ../libs/ardour/graph.cc:426 #4 0x00007ffff767cc69 in ARDOUR::Graph::helper_thread() (this=0x555558e2a650) at ../libs/ardour/graph.cc:470 #5 0x00007fffe8453922 in boost::function0::operator()() const (this=0x7fffd8560f10) at /usr/include/boost/function/function_template.hpp:763 #6 ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0x7fffd8560f18) at ../libs/backends/alsa/alsa_audiobackend.cc:1169 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 39 (Thread 0x7fffd85e60c0 (LWP 15685) "RT-main-0x7fffd"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff767c370 in PBD::Semaphore::wait() (this=0x555558e2a700) at ../libs/pbd/pbd/semutils.h:64 #3 ARDOUR::Graph::run_one() (this=0x555558e2a650) at ../libs/ardour/graph.cc:426 #4 0x00007ffff767d0d9 in ARDOUR::Graph::main_thread() (this=0x555558e2a650) at ../libs/ardour/graph.cc:523 #5 0x00007fffe8453922 in boost::function0::operator()() const (this=0x7fffd85e4f10) at /usr/include/boost/function/function_template.hpp:763 #6 ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) (arg=0x7fffd85e4f18) at ../libs/backends/alsa/alsa_audiobackend.cc:1169 #7 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 38 (Thread 0x7fffd85f20c0 (LWP 15684) "RTTaskList"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7a7e6d9 in PBD::Semaphore::wait() (this=0x5555571458b0) at ../libs/pbd/pbd/semutils.h:49 #3 ARDOUR::RTTaskList::run() (this=0x555557145880) at ../libs/ardour/rt_tasklist.cc:112 #4 0x00007ffff7a7eb0e in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x555557145880) at ../libs/ardour/rt_tasklist.cc:68 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 37 (Thread 0x7fffd85fe0c0 (LWP 15683) "RTTaskList"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7a7e6d9 in PBD::Semaphore::wait() (this=0x5555571458b0) at ../libs/pbd/pbd/semutils.h:49 #3 ARDOUR::RTTaskList::run() (this=0x555557145880) at ../libs/ardour/rt_tasklist.cc:112 #4 0x00007ffff7a7eb0e in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x555557145880) at ../libs/ardour/rt_tasklist.cc:68 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 36 (Thread 0x7fffd860a0c0 (LWP 15682) "RTTaskList"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7a7e6d9 in PBD::Semaphore::wait() (this=0x5555571458b0) at ../libs/pbd/pbd/semutils.h:49 #3 ARDOUR::RTTaskList::run() (this=0x555557145880) at ../libs/ardour/rt_tasklist.cc:112 #4 0x00007ffff7a7eb0e in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x555557145880) at ../libs/ardour/rt_tasklist.cc:68 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 35 (Thread 0x7fffd86160c0 (LWP 15681) "RTTaskList"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7a7e6d9 in PBD::Semaphore::wait() (this=0x5555571458b0) at ../libs/pbd/pbd/semutils.h:49 #3 ARDOUR::RTTaskList::run() (this=0x555557145880) at ../libs/ardour/rt_tasklist.cc:112 #4 0x00007ffff7a7eb0e in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x555557145880) at ../libs/ardour/rt_tasklist.cc:68 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 34 (Thread 0x7fffd86220c0 (LWP 15680) "RTTaskList"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7a7e6d9 in PBD::Semaphore::wait() (this=0x5555571458b0) at ../libs/pbd/pbd/semutils.h:49 #3 ARDOUR::RTTaskList::run() (this=0x555557145880) at ../libs/ardour/rt_tasklist.cc:112 #4 0x00007ffff7a7eb0e in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x555557145880) at ../libs/ardour/rt_tasklist.cc:68 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 33 (Thread 0x7fffd862e0c0 (LWP 15679) "RTTaskList"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7a7e6d9 in PBD::Semaphore::wait() (this=0x5555571458b0) at ../libs/pbd/pbd/semutils.h:49 #3 ARDOUR::RTTaskList::run() (this=0x555557145880) at ../libs/ardour/rt_tasklist.cc:112 #4 0x00007ffff7a7eb0e in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x555557145880) at ../libs/ardour/rt_tasklist.cc:68 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 32 (Thread 0x7fffd863a0c0 (LWP 15678) "RTTaskList"): #0 0x00007ffff557d9ba in __futex_abstimed_wait_common64 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5579b98 in __new_sem_wait_slow64.constprop.0 () at /usr/lib/libpthread.so.0 #2 0x00007ffff7a7e6d9 in PBD::Semaphore::wait() (this=0x5555571458b0) at ../libs/pbd/pbd/semutils.h:49 #3 ARDOUR::RTTaskList::run() (this=0x555557145880) at ../libs/ardour/rt_tasklist.cc:112 #4 0x00007ffff7a7eb0e in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x555557145880) at ../libs/ardour/rt_tasklist.cc:68 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 31 (Thread 0x7fffb6ffd640 (LWP 15677) "pool-ardour-6.6"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a1906b in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff699a8b3 in () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff69fbddb in () at /usr/lib/libglib-2.0.so.0 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 26 (Thread 0x7fffda7fc640 (LWP 15670) "ArdourGUI"): #0 0x00007ffff47d637f in poll () at /usr/lib/libc.so.6 #1 0x00007fffe84588b1 in poll (__timeout=200, __nfds=1, __fds=0x7fffb8006ad0) at /usr/include/bits/poll2.h:47 #2 ARDOUR::AlsaAudioBackend::midi_device_thread() (this=0x555556867520) at ../libs/backends/alsa/alsa_audiobackend.cc:1366 #3 0x00007fffe84589ae in ARDOUR::AlsaAudioBackend::_midi_device_thread(void*) (arg=) at ../libs/backends/alsa/alsa_audiobackend.cc:1329 #4 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #5 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 25 (Thread 0x7fffd8e8a0c0 (LWP 15669) "audioengine"): #0 0x00007ffff47d647e in ppoll () at /usr/lib/libc.so.6 #1 0x00007fffe84735e4 in ppoll (__ss=0x0, __timeout=0x7fffd8e88ce0, __nfds=1, __fds=0x5555572dc0fc) at /usr/include/bits/poll2.h:72 #2 Alsa_pcmi::pcm_wait() (this=0x5555572dc070) at ../libs/backends/alsa/zita-alsa-pcmi.cc:185 #3 0x00007fffe845cffe in ARDOUR::AlsaAudioBackend::main_process_thread() (this=0x555556867520) at ../libs/backends/alsa/alsa_audiobackend.cc:1819 #4 0x00007fffe845e030 in pthread_process(void*) (arg=) at ../libs/backends/alsa/alsa_audiobackend.cc:775 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 24 (Thread 0x7fffd97fa640 (LWP 15668) "ExecStdOut"): #0 0x00007ffff47d8ad1 in select () at /usr/lib/libc.so.6 #1 0x00007ffff6d9284e in PBD::SystemExec::output_interposer() (this=0x555556e46ae0) at ../libs/pbd/system_exec.cc:844 #2 0x00007ffff6d928be in interposer_thread(void*) (arg=0x555556e46ae0) at ../libs/pbd/system_exec.cc:281 #3 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 10 (Thread 0x7fffdaffd640 (LWP 15653) "gmain"): #0 0x00007ffff47d637f in poll () at /usr/lib/libc.so.6 #1 0x00007ffff6a1eae8 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff69c8781 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff69c87d2 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 8 (Thread 0x7fffdbfff640 (LWP 15650) "DeviceList"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7544eda in ARDOUR::AudioEngine::do_devicelist_update() (this=0x555556ce0ca0) at ../libs/ardour/audioengine.cc:718 #3 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 7 (Thread 0x7fffe8e73640 (LWP 15649) "EngineWatchdog"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff75470e0 in ARDOUR::AudioEngine::do_reset_backend() (this=0x555556ce0ca0) at ../libs/ardour/audioengine.cc:682 #3 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fffe9f1d640 (LWP 15647) "Analyzer"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7507e38 in ARDOUR::Analyser::work() () at ../libs/ardour/analyser.cc:93 #3 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fffea71e640 (LWP 15646) "PeakFileBuilder"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7b9d500 in peak_thread_work() () at ../libs/ardour/source_factory.cc:74 #3 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fffeaf1f640 (LWP 15645) "PeakFileBuilder"): #0 0x00007ffff47dba9d in syscall () at /usr/lib/libc.so.6 #1 0x00007ffff6a18b81 in g_cond_wait () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff7b9d500 in peak_thread_work() () at ../libs/ardour/source_factory.cc:74 #3 0x00007ffff6b5659a in () at /usr/lib/libglibmm-2.4.so.1 #4 0x00007ffff69f90c1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fffeb720640 (LWP 15644) "LXVSTEventLoop"): #0 0x00007ffff47a9125 in clock_nanosleep@GLIBC_2.2.5 () at /usr/lib/libc.so.6 #1 0x00007ffff47ae357 in nanosleep () at /usr/lib/libc.so.6 #2 0x00007ffff69f45f1 in g_usleep () at /usr/lib/libglib-2.0.so.0 #3 0x00005555563494df in gui_event_loop(void*) (ptr=) at ../gtk2_ardour/linux_vst_gui_support.cc:468 #4 0x00007ffff5571299 in start_thread () at /usr/lib/libpthread.so.0 #5 0x00007ffff47e1053 in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fffebb065c0 (LWP 15640) "ArdourGUI"): #0 0x00007ffff471eef5 in raise () at /usr/lib/libc.so.6 #1 0x00007ffff4708862 in abort () at /usr/lib/libc.so.6 #2 0x0000555555a27dfa in std::__replacement_assert(char const*, int, char const*, char const*) (__file=__file@entry=0x555556357928 "/usr/include/c++/10.2.0/bits/stl_vector.h", __line=__line@entry=1045, __function=__function@entry=0x555556371ad8 "std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = TimeAxisView*; _Alloc = std::allocator; std::vector<_Tp, _Alloc"..., __condition=__condition@entry=0x5555563577b0 "__builtin_expect(__n < this->size(), true)") at /usr/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/c++config.h:457 #3 0x0000555555bd80ef in std::vector >::operator[](unsigned long) (this=0x55555c0c7df8, __n=) at /usr/include/c++/10.2.0/bits/stl_vector.h:1045 #4 std::vector >::operator[](unsigned long) (__n=, this=0x55555c0c7df8) at /usr/include/c++/10.2.0/bits/stl_vector.h:1043 #5 RegionMoveDrag::finished(_GdkEvent*, bool) (this=0x55555c0c7d30, ev=0x7fffffffc500, movement_occurred=) at ../gtk2_ardour/editor_drag.cc:1468 #6 0x0000555555bc32e7 in Drag::end_grab(_GdkEvent*) (this=0x55555c0c7d30, event=0x7fffffffc500) at ../gtk2_ardour/editor_drag.cc:352 #7 0x0000555555bc553b in DragManager::end_grab(_GdkEvent*) (this=0x55555cdc05a0, e=e@entry=0x7fffffffc500) at ../gtk2_ardour/editor_drag.cc:183 #8 0x0000555555c0ea9a in Editor::button_release_handler(ArdourCanvas::Item*, _GdkEvent*, ItemType) (this=0x555557341e90, item=0x55555bf6fb60, event=0x7fffffffc500, item_type=RegionItem) at ../gtk2_ardour/editor_mouse.cc:1489 #9 0x00007ffff6fbcfce in sigc::internal::signal_emit1 >::operator()(sigc::slot const&) const (_A_slot=..., this=) at /usr/include/sigc++-2.0/sigc++/signal.h:855 #10 sigc::internal::slot_iterator_buf >, bool>::operator*() const (this=) at /usr/include/sigc++-2.0/sigc++/signal.h:315 #11 ArdourCanvas::Item::EventAccumulator::operator() >, bool> >(sigc::internal::slot_iterator_buf >, bool>, sigc::internal::slot_iterator_buf >, bool>) (last=..., this=, last=..., first=...) at ../libs/canvas/canvas/item.h:239 #12 sigc::internal::signal_emit1 >::emit(sigc::internal::signal_impl*, _GdkEvent* const&) (impl=0x55555bf707a0, _A_a1=@0x7fffffffc208: 0x7fffffffc500) at /usr/include/sigc++-2.0/sigc++/signal.h:875 #13 0x00007ffff6fb8b43 in sigc::signal1 >::emit(_GdkEvent* const&) const (_A_a1=@0x7fffffffc208: 0x7fffffffc500, this=0x55555bf6fbd0) at /usr/include/sigc++-2.0/sigc++/signal.h:2950 #14 sigc::signal1 >::operator()(_GdkEvent* const&) const (_A_a1=@0x7fffffffc208: 0x7fffffffc500, this=0x55555bf6fbd0) at /usr/include/sigc++-2.0/sigc++/signal.h:2967 #15 ArdourCanvas::GtkCanvas::deliver_event(_GdkEvent*) (this=, event=) at ../libs/canvas/canvas.cc:773 #16 0x00007ffff6fba07c in ArdourCanvas::GtkCanvas::on_button_release_event(_GdkEventButton*) (this=0x55555969d818, ev=0x55555a39f570) at ../libs/canvas/canvas.cc:1081 #17 0x00007ffff5db9e18 in Gtk::Widget_Class::button_release_event_callback(_GtkWidget*, _GdkEventButton*) () at /usr/lib/libgtkmm-2.4.so.1 #18 0x00007ffff66410a8 in () at /usr/lib/libgtk-x11-2.0.so.0 #19 0x00007ffff6abeddf in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0 #20 0x00007ffff6ae79cb in () at /usr/lib/libgobject-2.0.so.0 #21 0x00007ffff6adb2db in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0 #22 0x00007ffff6adc210 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0 #23 0x00007ffff6766275 in () at /usr/lib/libgtk-x11-2.0.so.0 #24 0x00007ffff663f6d6 in gtk_propagate_event () at /usr/lib/libgtk-x11-2.0.so.0 #25 0x00007ffff663fb4b in gtk_main_do_event () at /usr/lib/libgtk-x11-2.0.so.0 #26 0x00007ffff64ae3be in () at /usr/lib/libgdk-x11-2.0.so.0 #27 0x00007ffff69cb02c in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0 #28 0x00007ffff6a1eb59 in () at /usr/lib/libglib-2.0.so.0 #29 0x00007ffff69ca593 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0 #30 0x00007ffff663e9fe in gtk_main () at /usr/lib/libgtk-x11-2.0.so.0 #31 0x00007ffff6e29ca7 in Gtkmm2ext::UI::run(Receiver&) (this=0x555556d5c020, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:310 #32 0x0000555555a080ac in main(int, char**) (argc=, argv=) at ../gtk2_ardour/main.cc:410