logging debugredirect: The logging output mode is off. logging file: The current logfile is "gdb.txt". logging overwrite: Whether logging overwrites or appends to the log file is on. logging redirect: The logging output mode is on. Starting program: /opt/Ardour-7.0.pre0.2610-dbg/bin/ardour-7.0.pre0.2610 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffe41f1700 (LWP 11201)] [New Thread 0x7fffdffff700 (LWP 11202)] [New Thread 0x7fffdf7fe700 (LWP 11203)] [New Thread 0x7fffdeffd700 (LWP 11204)] [New Thread 0x7fffde7fc700 (LWP 11205)] [New Thread 0x7fffcefd5700 (LWP 11210)] [Thread 0x7fffcefd5700 (LWP 11210) exited] [New Thread 0x7fffcefd5700 (LWP 11211)] [New Thread 0x7fffcd513700 (LWP 11212)] [New Thread 0x7fffc3952700 (LWP 11215)] [New Thread 0x7fffc2e65700 (LWP 11216)] [New Thread 0x7fffc2de4700 (LWP 11217)] [Thread 0x7fffc2de4700 (LWP 11217) exited] [Thread 0x7fffc2e65700 (LWP 11216) exited] [New Thread 0x7fffc2de4700 (LWP 11232)] [New Thread 0x7fffc23d8700 (LWP 11233)] [New Thread 0x7fffc1bd7700 (LWP 11234)] [New Thread 0x7fffc13d6700 (LWP 11235)] [New Thread 0x7fffc0bd5700 (LWP 11236)] [New Thread 0x7fffaffff700 (LWP 11237)] [New Thread 0x7fffaf7fe700 (LWP 11238)] [New Thread 0x7fffaeffd700 (LWP 11239)] [New Thread 0x7fffae7fc700 (LWP 11240)] [New Thread 0x7fffadffb700 (LWP 11241)] [Thread 0x7fffaeffd700 (LWP 11239) exited] [Thread 0x7fffc3952700 (LWP 11215) exited] [Thread 0x7fffae7fc700 (LWP 11240) exited] [Thread 0x7fffadffb700 (LWP 11241) exited] [Thread 0x7fffaffff700 (LWP 11237) exited] [Thread 0x7fffaf7fe700 (LWP 11238) exited] [Thread 0x7fffc0bd5700 (LWP 11236) exited] [Thread 0x7fffc13d6700 (LWP 11235) exited] [Thread 0x7fffc23d8700 (LWP 11233) exited] [New Thread 0x7fffaf7fe700 (LWP 11246)] [New Thread 0x7fffc0bd5700 (LWP 11247)] [Thread 0x7fffc1bd7700 (LWP 11234) exited] [Thread 0x7fffc0bd5700 (LWP 11247) exited] [New Thread 0x7fffc0bd5700 (LWP 11270)] [Thread 0x7fffc0bd5700 (LWP 11270) exited] [Detaching after vfork from child process 11277] [New Thread 0x7fffc0bd5700 (LWP 11278)] [New Thread 0x7fffc0392940 (LWP 11279)] [New Thread 0x7fffc0386940 (LWP 11280)] [New Thread 0x7fffc037a940 (LWP 11281)] [New Thread 0x7fffc036e940 (LWP 11282)] [New Thread 0x7fffc0362940 (LWP 11283)] [New Thread 0x7fffc0356940 (LWP 11284)] [New Thread 0x7fffc034a940 (LWP 11285)] [New Thread 0x7fffc033e940 (LWP 11286)] [New Thread 0x7fffc0332940 (LWP 11287)] [New Thread 0x7fffc0326940 (LWP 11288)] [New Thread 0x7fffc031a940 (LWP 11289)] [New Thread 0x7fffc030e940 (LWP 11290)] [New Thread 0x7fffc0302940 (LWP 11291)] [New Thread 0x7fffc1bd7700 (LWP 11292)] [New Thread 0x7fffc23d8700 (LWP 11300)] [New Thread 0x7fffc13d6700 (LWP 11301)] [New Thread 0x7fffaeffd700 (LWP 11302)] [New Thread 0x7fffae7fc700 (LWP 11303)] [New Thread 0x7fffadffb700 (LWP 11304)] [New Thread 0x7fffad7fa700 (LWP 11305)] [Detaching after vfork from child process 11306] [New Thread 0x7fffacff9700 (LWP 11307)] [Thread 0x7fffacff9700 (LWP 11307) exited] [Thread 0x7fffae7fc700 (LWP 11303) exited] [Thread 0x7fffaeffd700 (LWP 11302) exited] [Thread 0x7fffc23d8700 (LWP 11300) exited] [Thread 0x7fffaf7fe700 (LWP 11246) exited] [Thread 0x7fffad7fa700 (LWP 11305) exited] [Thread 0x7fffc13d6700 (LWP 11301) exited] [Detaching after vfork from child process 11308] [New Thread 0x7fffacff9700 (LWP 11309)] [Thread 0x7fffacff9700 (LWP 11309) exited] [New Thread 0x7fffacff9700 (LWP 11312)] [New Thread 0x7fffad7fa700 (LWP 11313)] [New Thread 0x7fffc13d6700 (LWP 11314)] [New Thread 0x7fffaf7fe700 (LWP 11315)] [New Thread 0x7fffc23d8700 (LWP 11316)] [New Thread 0x7fffaeffd700 (LWP 11317)] [New Thread 0x7fffafed4940 (LWP 11318)] [New Thread 0x7fffafec8940 (LWP 11319)] [New Thread 0x7fffafebc940 (LWP 11320)] [New Thread 0x7fffafeb0940 (LWP 11321)] [New Thread 0x7fffafea4940 (LWP 11322)] [New Thread 0x7fffafe98940 (LWP 11323)] [New Thread 0x7fffafe14940 (LWP 11324)] [New Thread 0x7fffafd90940 (LWP 11325)] [New Thread 0x7fffafd0c940 (LWP 11326)] [New Thread 0x7fffafc88940 (LWP 11327)] [New Thread 0x7fffafba0700 (LWP 11328)] [New Thread 0x7fffae7fc700 (LWP 11329)] [New Thread 0x7fff6e7fc700 (LWP 11330)] [New Thread 0x7fff6dffb700 (LWP 11331)] [New Thread 0x7fff6d7fa700 (LWP 11332)] [New Thread 0x7fff6cff9700 (LWP 11334)] [Thread 0x7fffacff9700 (LWP 11312) exited] [Thread 0x7fffaeffd700 (LWP 11317) exited] [Thread 0x7fffc23d8700 (LWP 11316) exited] [Thread 0x7fffaf7fe700 (LWP 11315) exited] [Thread 0x7fffadffb700 (LWP 11304) exited] [Thread 0x7fffc13d6700 (LWP 11314) exited] [Thread 0x7fffad7fa700 (LWP 11313) exited] Quit Thread 70 (Thread 0x7fff6cff9700 (LWP 11334) "AutomationWatch"): #0 0x00007fffec936621 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fff6cff8b40, rem=0x7fff6cff8b50) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48 #1 0x00007fffec93be03 in __GI___nanosleep (requested_time=, remaining=) at nanosleep.c:27 #2 0x00007ffff2c49a38 in g_usleep () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff699dbdf in ARDOUR::AutomationWatch::thread (this=0x55555a05e120) at ../libs/ardour/automation_watch.cc:205 #4 0x00007ffff69a30c9 in boost::_mfi::mf0::operator() (this=0x55555ce40540, p=0x55555a05e120) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #5 0x00007ffff69a2d5a in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x55555ce40550, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #6 0x00007ffff69a24c7 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x55555ce40540) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #7 0x00007ffff69a1e55 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #8 0x0000555555b2fdf4 in boost::function0::operator() (this=0x55555ce40538) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #9 0x00007ffff3c89917 in PBD::Thread::_run (arg=0x55555ce40510) at ../libs/pbd/pthread_utils.cc:483 #10 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #11 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 69 (Thread 0x7fff6d7fa700 (LWP 11332) "autoconnect"): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x555559e5f00c) at ../sysdeps/nptl/futex-internal.h:186 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555559e5efb8, cond=0x555559e5efe0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555559e5efe0, mutex=0x555559e5efb8) at pthread_cond_wait.c:638 #3 0x00007ffff70306e5 in ARDOUR::Session::auto_connect_thread_run (this=0x555559e5d030) at ../libs/ardour/session.cc:7342 #4 0x00007ffff703020c in ARDOUR::Session::auto_connect_thread (arg=0x555559e5d030) at ../libs/ardour/session.cc:7273 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 68 (Thread 0x7fff6dffb700 (LWP 11331) "SessionSignals"): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x555559e5ef98) at ../sysdeps/nptl/futex-internal.h:186 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555559e5ef48, cond=0x555559e5ef70) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555559e5ef70, mutex=0x555559e5ef48) at pthread_cond_wait.c:638 #3 0x00007ffff70b0809 in ARDOUR::Session::emit_thread_run (this=0x555559e5d030) at ../libs/ardour/session_process.cc:1210 #4 0x00007ffff70b07a6 in ARDOUR::Session::emit_thread (arg=0x555559e5d030) at ../libs/ardour/session_process.cc:1199 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 67 (Thread 0x7fff6e7fc700 (LWP 11330) "Generic MIDI"): #0 0x00007fffec963def in __GI___poll (fds=0x7fff24195710, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff2c18d66 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff2c190f2 in g_main_loop_run () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff3c4f1b6 in BaseUI::main_thread (this=0x55555a7d2e00) at ../libs/pbd/base_ui.cc:102 #4 0x00007ffff3c5386d in boost::_mfi::mf0::operator() (this=0x55555ccabde0, p=0x55555a7d2e00) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #5 0x00007ffff3c5353e in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x55555ccabdf0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #6 0x00007ffff3c5312d in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x55555ccabde0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #7 0x00007ffff3c52bec in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #8 0x0000555555b2fdf4 in boost::function0::operator() (this=0x55555ccabdd8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #9 0x00007ffff3c89917 in PBD::Thread::_run (arg=0x55555ccabdb0) at ../libs/pbd/pthread_utils.cc:483 #10 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #11 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 66 (Thread 0x7fffae7fc700 (LWP 11329) "midiUI"): #0 0x00007fffec963def in __GI___poll (fds=0x7fff2017c1d0, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff2c18d66 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff2c190f2 in g_main_loop_run () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff3c4f1b6 in BaseUI::main_thread (this=0x55555dbce6e0) at ../libs/pbd/base_ui.cc:102 #4 0x00007ffff3c5386d in boost::_mfi::mf0::operator() (this=0x55555a7d2040, p=0x55555dbce6e0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #5 0x00007ffff3c5353e in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x55555a7d2050, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #6 0x00007ffff3c5312d in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x55555a7d2040) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #7 0x00007ffff3c52bec in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #8 0x0000555555b2fdf4 in boost::function0::operator() (this=0x55555a7d2038) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #9 0x00007ffff3c89917 in PBD::Thread::_run (arg=0x55555a7d2010) at ../libs/pbd/pthread_utils.cc:483 #10 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #11 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 65 (Thread 0x7fffafba0700 (LWP 11328) "butler"): #0 0x00007fffec963def in __GI___poll (fds=0x7fffafb9f2c4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff3c6579e in CrossThreadChannel::poll_for_request (this=0x555559e1a5c8) at ../libs/pbd/crossthread.posix.cc:108 #2 0x00007ffff3c6580f in CrossThreadChannel::receive (this=0x555559e1a5c8, msg=@0x7fffafb9f39f: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133 #3 0x00007ffff69b2ea0 in ARDOUR::Butler::thread_work (this=0x555559e1a530) at ../libs/ardour/butler.cc:188 #4 0x00007ffff69b2c21 in ARDOUR::Butler::_thread_work (arg=0x555559e1a530) at ../libs/ardour/butler.cc:169 #5 0x00007ffff3c88e7e in fake_thread_start (arg=0x55555ddcfd70) at ../libs/pbd/pthread_utils.cc:101 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 64 (Thread 0x7fffafc88940 (LWP 11327) "RT-4-0x7fffafc8"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed21f8) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed21f8, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed21f8, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed21f8) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6ae7f8e in ARDOUR::Graph::run_one (this=0x555559ed2060) at ../libs/ardour/graph.cc:455 #5 0x00007ffff6ae8485 in ARDOUR::Graph::helper_thread (this=0x555559ed2060) at ../libs/ardour/graph.cc:506 #6 0x00007ffff6aef2dd in boost::_mfi::mf0::operator() (this=0x7fffafc87ef8, p=0x555559ed2060) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff6aeea92 in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x7fffafc87f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #8 0x00007ffff6aedeef in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x7fffafc87ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #9 0x00007ffff6aed793 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #10 0x0000555555b2fdf4 in boost::function0::operator() (this=0x7fffafc87ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #11 0x00007fffcc1f81e1 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555e186380) at ../libs/backends/alsa/alsa_audiobackend.cc:1209 #12 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #13 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 63 (Thread 0x7fffafd0c940 (LWP 11326) "RT-3-0x7fffafd0"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed21f8) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed21f8, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed21f8, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed21f8) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6ae7f8e in ARDOUR::Graph::run_one (this=0x555559ed2060) at ../libs/ardour/graph.cc:455 #5 0x00007ffff6ae8485 in ARDOUR::Graph::helper_thread (this=0x555559ed2060) at ../libs/ardour/graph.cc:506 #6 0x00007ffff6aef2dd in boost::_mfi::mf0::operator() (this=0x7fffafd0bef8, p=0x555559ed2060) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff6aeea92 in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x7fffafd0bf08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #8 0x00007ffff6aedeef in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x7fffafd0bef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #9 0x00007ffff6aed793 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #10 0x0000555555b2fdf4 in boost::function0::operator() (this=0x7fffafd0bef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #11 0x00007fffcc1f81e1 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x5555594b62f0) at ../libs/backends/alsa/alsa_audiobackend.cc:1209 #12 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #13 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 62 (Thread 0x7fffafd90940 (LWP 11325) "RT-2-0x7fffafd9"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed21f8) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed21f8, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed21f8, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed21f8) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6ae7f8e in ARDOUR::Graph::run_one (this=0x555559ed2060) at ../libs/ardour/graph.cc:455 #5 0x00007ffff6ae8485 in ARDOUR::Graph::helper_thread (this=0x555559ed2060) at ../libs/ardour/graph.cc:506 #6 0x00007ffff6aef2dd in boost::_mfi::mf0::operator() (this=0x7fffafd8fef8, p=0x555559ed2060) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff6aeea92 in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x7fffafd8ff08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #8 0x00007ffff6aedeef in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x7fffafd8fef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #9 0x00007ffff6aed793 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #10 0x0000555555b2fdf4 in boost::function0::operator() (this=0x7fffafd8fef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #11 0x00007fffcc1f81e1 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555557644de0) at ../libs/backends/alsa/alsa_audiobackend.cc:1209 #12 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #13 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 61 (Thread 0x7fffafe14940 (LWP 11324) "RT-1-0x7fffafe1"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed21f8) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed21f8, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed21f8, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed21f8) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6ae7f8e in ARDOUR::Graph::run_one (this=0x555559ed2060) at ../libs/ardour/graph.cc:455 #5 0x00007ffff6ae8485 in ARDOUR::Graph::helper_thread (this=0x555559ed2060) at ../libs/ardour/graph.cc:506 #6 0x00007ffff6aef2dd in boost::_mfi::mf0::operator() (this=0x7fffafe13ef8, p=0x555559ed2060) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff6aeea92 in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x7fffafe13f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #8 0x00007ffff6aedeef in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x7fffafe13ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #9 0x00007ffff6aed793 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #10 0x0000555555b2fdf4 in boost::function0::operator() (this=0x7fffafe13ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #11 0x00007fffcc1f81e1 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555e297000) at ../libs/backends/alsa/alsa_audiobackend.cc:1209 #12 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #13 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 60 (Thread 0x7fffafe98940 (LWP 11323) "RT-main-0x7fffa"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed2220) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed2220, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed2220, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed2220) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6ae72d8 in ARDOUR::Graph::reached_terminal_node (this=0x555559ed2060) at ../libs/ardour/graph.cc:330 #5 0x00007ffff6aef9b7 in ARDOUR::GraphNode::finish (this=0x55555ba73a90, chain=0) at ../libs/ardour/graphnode.cc:74 #6 0x00007ffff6aea93e in ARDOUR::GraphNode::run (this=0x55555ba73a90, chain=0) at ../libs/ardour/ardour/graphnode.h:65 #7 0x00007ffff6ae811a in ARDOUR::Graph::run_one (this=0x555559ed2060) at ../libs/ardour/graph.cc:475 #8 0x00007ffff6ae888c in ARDOUR::Graph::main_thread (this=0x555559ed2060) at ../libs/ardour/graph.cc:560 #9 0x00007ffff6aef2dd in boost::_mfi::mf0::operator() (this=0x7fffafe97ef8, p=0x555559ed2060) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #10 0x00007ffff6aeea92 in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x7fffafe97f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #11 0x00007ffff6aedeef in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x7fffafe97ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #12 0x00007ffff6aed793 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #13 0x0000555555b2fdf4 in boost::function0::operator() (this=0x7fffafe97ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #14 0x00007fffcc1f81e1 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558479c00) at ../libs/backends/alsa/alsa_audiobackend.cc:1209 #15 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #16 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 59 (Thread 0x7fffafea4940 (LWP 11322) "RTTaskList"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed36e0) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed36e0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6feb105 in ARDOUR::RTTaskList::run (this=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff6feaef4 in ARDOUR::RTTaskList::_thread_run (arg=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:68 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 58 (Thread 0x7fffafeb0940 (LWP 11321) "RTTaskList"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed36e0) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed36e0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6feb105 in ARDOUR::RTTaskList::run (this=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff6feaef4 in ARDOUR::RTTaskList::_thread_run (arg=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:68 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 57 (Thread 0x7fffafebc940 (LWP 11320) "RTTaskList"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed36e0) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed36e0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6feb105 in ARDOUR::RTTaskList::run (this=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff6feaef4 in ARDOUR::RTTaskList::_thread_run (arg=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:68 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 56 (Thread 0x7fffafec8940 (LWP 11319) "RTTaskList"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed36e0) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed36e0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6feb105 in ARDOUR::RTTaskList::run (this=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff6feaef4 in ARDOUR::RTTaskList::_thread_run (arg=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:68 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 55 (Thread 0x7fffafed4940 (LWP 11318) "RTTaskList"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559ed36e0) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007fffeed3d278 in __new_sem_wait_slow (sem=0x555559ed36e0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff6aea8d4 in PBD::Semaphore::wait (this=0x555559ed36e0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6feb105 in ARDOUR::RTTaskList::run (this=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff6feaef4 in ARDOUR::RTTaskList::_thread_run (arg=0x555559ed36b0) at ../libs/ardour/rt_tasklist.cc:68 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 40 (Thread 0x7fffc1bd7700 (LWP 11292) "ALSA-MIDI-LIST"): #0 0x00007fffec963def in __GI___poll (fds=0x7fff70000b80, nfds=1, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcc1f93b0 in ARDOUR::AlsaAudioBackend::midi_device_thread (this=0x555557c4f0a0) at ../libs/backends/alsa/alsa_audiobackend.cc:1407 #2 0x00007fffcc1f9248 in ARDOUR::AlsaAudioBackend::_midi_device_thread (arg=0x555557c4f0a0) at ../libs/backends/alsa/alsa_audiobackend.cc:1370 #3 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #4 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 39 (Thread 0x7fffc0302940 (LWP 11291) "audioengine"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2c69149 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff4f5212f in SerializedRCUManager::write_copy (this=0x5555572d9aa0 ) at ../libs/pbd/pbd/rcu.h:162 #3 0x00007ffff4f4440a in Temporal::TempoMap::write_copy () at ../libs/temporal/tempo.cc:3193 #4 0x00007ffff7030ab8 in ARDOUR::Session::maybe_update_tempo_from_midiclock_tempo (this=0x555559e5d030, bpm=134.568329) at ../libs/ardour/session.cc:7380 #5 0x00007ffff6dc2330 in ARDOUR::MIDIClock_TransportMaster::update_midi_clock (this=0x5555579bd4f0, timestamp=212172) at ../libs/ardour/midi_clock_slave.cc:293 #6 0x00007ffff6dc7e0e in boost::_mfi::mf2::operator() (this=0x7fff7c0315d8, p=0x5555579bd4f0, a1=..., a2=212172) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:280 #7 0x00007ffff6dc6f4c in boost::_bi::list3, boost::arg<1>, boost::arg<2> >::operator(), boost::_bi::rrlist2 > (this=0x7fff7c0315e8, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:398 #8 0x00007ffff6dc5d7a in boost::_bi::bind_t, boost::_bi::list3, boost::arg<1>, boost::arg<2> > >::operator() (this=0x7fff7c0315d8, a1=..., a2=@0x7fffc0300f58: 212172) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1318 #9 0x00007ffff6dc5566 in boost::detail::function::void_function_obj_invoker2, boost::_bi::list3, boost::arg<1>, boost::arg<2> > >, void, MIDI::Parser&, long>::invoke (function_obj_ptr=..., a0=..., a1=212172) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #10 0x00007ffff55d7bb1 in boost::function2::operator() (this=0x7fff7c0315d0, a0=..., a1=212172) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #11 0x00007ffff55d5751 in PBD::Signal2 >::operator() (this=0x5555579c1cc0, a1=..., a2=212172) at libs/pbd/pbd/signals_generated.h:1136 #12 0x00007ffff55d10d6 in MIDI::Parser::realtime_msg (this=0x5555579bd790, inbyte=248 '\370') at ../libs/midi++2/parser.cc:552 #13 0x00007ffff55d0b68 in MIDI::Parser::scanner (this=0x5555579bd790, inbyte=248 '\370') at ../libs/midi++2/parser.cc:394 #14 0x00007ffff6df7d59 in ARDOUR::MidiPort::read_and_parse_entire_midi_buffer_with_no_speed_adjustment (this=0x555557a63240, nframes=1024, parser=..., now=211968) at ../libs/ardour/midi_port.cc:219 #15 0x00007ffff6dc115e in ARDOUR::MIDIClock_TransportMaster::pre_process (this=0x5555579bd4f0, nframes=1024, now=211968, session_pos=...) at ../libs/ardour/midi_clock_slave.cc:133 #16 0x00007ffff7185f78 in ARDOUR::TransportMasterManager::pre_process_transport_masters (this=0x555557419390, nframes=1024, now=211968) at ../libs/ardour/transport_master_manager.cc:172 #17 0x00007ffff6932d88 in ARDOUR::AudioEngine::process_callback (this=0x5555573dca80, nframes=1024) at ../libs/ardour/audioengine.cc:491 #18 0x00007fffcc1fcb6e in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x555557c4f0a0) at ../libs/backends/alsa/alsa_audiobackend.cc:1964 #19 0x00007fffcc1f5c0d in pthread_process (arg=0x555557c4f0a0) at ../libs/backends/alsa/alsa_audiobackend.cc:803 #20 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #21 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 38 (Thread 0x7fffc030e940 (LWP 11290) "AlsaMidiIO"): #0 0x00007fffec963def in __GI___poll (fds=0x55555775e8b0, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcc225780 in ARDOUR::AlsaSeqMidiIn::main_process_thread (this=0x55555772f700) at ../libs/backends/alsa/alsa_sequencer.cc:246 #2 0x00007fffcc22165d in pthread_process (arg=0x55555772f720) at ../libs/backends/alsa/alsa_midi.cc:68 #3 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #4 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 37 (Thread 0x7fffc031a940 (LWP 11289) "AlsaMidiIO"): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x55555776d080) at ../sysdeps/nptl/futex-internal.h:186 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555776d030, cond=0x55555776d058) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55555776d058, mutex=0x55555776d030) at pthread_cond_wait.c:638 #3 0x00007fffcc2251ac in ARDOUR::AlsaSeqMidiOut::main_process_thread (this=0x55555776d000) at ../libs/backends/alsa/alsa_sequencer.cc:162 #4 0x00007fffcc22165d in pthread_process (arg=0x55555776d020) at ../libs/backends/alsa/alsa_midi.cc:68 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 36 (Thread 0x7fffc0326940 (LWP 11288) "AlsaMidiIO"): #0 0x00007fffec963def in __GI___poll (fds=0x55555772d290, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcc225780 in ARDOUR::AlsaSeqMidiIn::main_process_thread (this=0x5555575f0b00) at ../libs/backends/alsa/alsa_sequencer.cc:246 #2 0x00007fffcc22165d in pthread_process (arg=0x5555575f0b20) at ../libs/backends/alsa/alsa_midi.cc:68 #3 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #4 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 35 (Thread 0x7fffc0332940 (LWP 11287) "AlsaMidiIO"): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x5555577e0220) at ../sysdeps/nptl/futex-internal.h:186 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555577e01d0, cond=0x5555577e01f8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555577e01f8, mutex=0x5555577e01d0) at pthread_cond_wait.c:638 #3 0x00007fffcc2251ac in ARDOUR::AlsaSeqMidiOut::main_process_thread (this=0x5555577e01a0) at ../libs/backends/alsa/alsa_sequencer.cc:162 #4 0x00007fffcc22165d in pthread_process (arg=0x5555577e01c0) at ../libs/backends/alsa/alsa_midi.cc:68 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 34 (Thread 0x7fffc033e940 (LWP 11286) "AlsaMidiIO"): #0 0x00007fffec963def in __GI___poll (fds=0x555557729a60, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcc225780 in ARDOUR::AlsaSeqMidiIn::main_process_thread (this=0x55555777b720) at ../libs/backends/alsa/alsa_sequencer.cc:246 #2 0x00007fffcc22165d in pthread_process (arg=0x55555777b740) at ../libs/backends/alsa/alsa_midi.cc:68 #3 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #4 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 33 (Thread 0x7fffc034a940 (LWP 11285) "AlsaMidiIO"): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x555557a695b0) at ../sysdeps/nptl/futex-internal.h:186 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557a69560, cond=0x555557a69588) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555557a69588, mutex=0x555557a69560) at pthread_cond_wait.c:638 #3 0x00007fffcc2251ac in ARDOUR::AlsaSeqMidiOut::main_process_thread (this=0x555557a69530) at ../libs/backends/alsa/alsa_sequencer.cc:162 #4 0x00007fffcc22165d in pthread_process (arg=0x555557a69550) at ../libs/backends/alsa/alsa_midi.cc:68 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 32 (Thread 0x7fffc0356940 (LWP 11284) "AlsaMidiIO"): #0 0x00007fffec963def in __GI___poll (fds=0x55555777ac90, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcc225780 in ARDOUR::AlsaSeqMidiIn::main_process_thread (this=0x555557b1ee60) at ../libs/backends/alsa/alsa_sequencer.cc:246 #2 0x00007fffcc22165d in pthread_process (arg=0x555557b1ee80) at ../libs/backends/alsa/alsa_midi.cc:68 #3 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #4 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 31 (Thread 0x7fffc0362940 (LWP 11283) "AlsaMidiIO"): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x555557b49c80) at ../sysdeps/nptl/futex-internal.h:186 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557b49c30, cond=0x555557b49c58) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555557b49c58, mutex=0x555557b49c30) at pthread_cond_wait.c:638 #3 0x00007fffcc2251ac in ARDOUR::AlsaSeqMidiOut::main_process_thread (this=0x555557b49c00) at ../libs/backends/alsa/alsa_sequencer.cc:162 #4 0x00007fffcc22165d in pthread_process (arg=0x555557b49c20) at ../libs/backends/alsa/alsa_midi.cc:68 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 30 (Thread 0x7fffc036e940 (LWP 11282) "AlsaMidiIO"): #0 0x00007fffec963def in __GI___poll (fds=0x55555776b3b0, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcc225780 in ARDOUR::AlsaSeqMidiIn::main_process_thread (this=0x555557be6a00) at ../libs/backends/alsa/alsa_sequencer.cc:246 #2 0x00007fffcc22165d in pthread_process (arg=0x555557be6a20) at ../libs/backends/alsa/alsa_midi.cc:68 #3 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #4 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 29 (Thread 0x7fffc037a940 (LWP 11281) "AlsaMidiIO"): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x555557bf0c90) at ../sysdeps/nptl/futex-internal.h:186 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557bf0c40, cond=0x555557bf0c68) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555557bf0c68, mutex=0x555557bf0c40) at pthread_cond_wait.c:638 #3 0x00007fffcc2251ac in ARDOUR::AlsaSeqMidiOut::main_process_thread (this=0x555557bf0c10) at ../libs/backends/alsa/alsa_sequencer.cc:162 #4 0x00007fffcc22165d in pthread_process (arg=0x555557bf0c30) at ../libs/backends/alsa/alsa_midi.cc:68 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 28 (Thread 0x7fffc0386940 (LWP 11280) "AlsaMidiIO"): #0 0x00007fffec963def in __GI___poll (fds=0x555557c8e400, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcc225780 in ARDOUR::AlsaSeqMidiIn::main_process_thread (this=0x555557900550) at ../libs/backends/alsa/alsa_sequencer.cc:246 #2 0x00007fffcc22165d in pthread_process (arg=0x555557900570) at ../libs/backends/alsa/alsa_midi.cc:68 #3 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #4 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 27 (Thread 0x7fffc0392940 (LWP 11279) "AlsaMidiIO"): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x55555774a9c0) at ../sysdeps/nptl/futex-internal.h:186 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555774a970, cond=0x55555774a998) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55555774a998, mutex=0x55555774a970) at pthread_cond_wait.c:638 #3 0x00007fffcc2251ac in ARDOUR::AlsaSeqMidiOut::main_process_thread (this=0x55555774a940) at ../libs/backends/alsa/alsa_sequencer.cc:162 #4 0x00007fffcc22165d in pthread_process (arg=0x55555774a960) at ../libs/backends/alsa/alsa_midi.cc:68 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 26 (Thread 0x7fffc0bd5700 (LWP 11278) "ExecStdOut"): #0 0x00007fffec963def in __GI___poll (fds=0x7fffc0bd2c50, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff3c9fd66 in PBD::SystemExec::output_interposer (this=0x5555577df0e0) at ../libs/pbd/system_exec.cc:871 #2 0x00007ffff3c9eed0 in interposer_thread (arg=0x5555577df0e0) at ../libs/pbd/system_exec.cc:282 #3 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #4 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 13 (Thread 0x7fffc2de4700 (LWP 11232) "gmain"): #0 0x00007fffec963def in __GI___poll (fds=0x55555764eb10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff2c18d66 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff2c18e7c in g_main_context_iteration () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff2c18ec1 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #4 0x00007ffff2c481e5 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #5 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7fffcd513700 (LWP 11212) "DeviceList"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2c69e4c in g_cond_wait () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff6933ca2 in ARDOUR::AudioEngine::do_devicelist_update (this=0x5555573dca80) at ../libs/ardour/audioengine.cc:750 #3 0x00007ffff6941c8f in boost::_mfi::mf0::operator() (this=0x5555573dad40, p=0x5555573dca80) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff69411ca in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x5555573dad50, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #5 0x00007ffff6940833 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x5555573dad40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #6 0x00007ffff693f9bb in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #7 0x0000555555b2fdf4 in boost::function0::operator() (this=0x5555573dad38) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #8 0x00007ffff3c89917 in PBD::Thread::_run (arg=0x5555573dad10) at ../libs/pbd/pthread_utils.cc:483 #9 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #10 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fffcefd5700 (LWP 11211) "EngineWatchdog"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2c69e4c in g_cond_wait () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff6933a63 in ARDOUR::AudioEngine::do_reset_backend (this=0x5555573dca80) at ../libs/ardour/audioengine.cc:714 #3 0x00007ffff6941c8f in boost::_mfi::mf0::operator() (this=0x5555573db280, p=0x5555573dca80) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff69411ca in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x5555573db290, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #5 0x00007ffff6940833 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x5555573db280) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #6 0x00007ffff693f9bb in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #7 0x0000555555b2fdf4 in boost::function0::operator() (this=0x5555573db278) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #8 0x00007ffff3c89917 in PBD::Thread::_run (arg=0x5555573db250) at ../libs/pbd/pthread_utils.cc:483 #9 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #10 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7fffde7fc700 (LWP 11205) "Analyzer"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2c69e4c in g_cond_wait () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff68e4104 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:95 #3 0x000055555644c22d in sigc::pointer_functor0::operator() (this=0x5555573c96d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #4 0x00007ffff68e747c in boost::detail::function::void_function_obj_invoker0, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #5 0x0000555555b2fdf4 in boost::function0::operator() (this=0x5555573c96c8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #6 0x00007ffff3c89917 in PBD::Thread::_run (arg=0x5555573c96a0) at ../libs/pbd/pthread_utils.cc:483 #7 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #8 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fffdeffd700 (LWP 11204) "PeakFileBuilder"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2c69e4c in g_cond_wait () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff714e712 in peak_thread_work () at ../libs/ardour/source_factory.cc:73 #3 0x00007ffff7b3929f in boost::detail::function::void_function_invoker0::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118 #4 0x0000555555b2fdf4 in boost::function0::operator() (this=0x5555573c9f98) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #5 0x00007ffff3c89917 in PBD::Thread::_run (arg=0x5555573c9f70) at ../libs/pbd/pthread_utils.cc:483 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fffdf7fe700 (LWP 11203) "PeakFileBuilder"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2c69e4c in g_cond_wait () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff714e712 in peak_thread_work () at ../libs/ardour/source_factory.cc:73 #3 0x00007ffff7b3929f in boost::detail::function::void_function_invoker0::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118 #4 0x0000555555b2fdf4 in boost::function0::operator() (this=0x5555573cb588) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #5 0x00007ffff3c89917 in PBD::Thread::_run (arg=0x5555573cb560) at ../libs/pbd/pthread_utils.cc:483 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fffdffff700 (LWP 11202) "LXVSTEventLoop"): #0 0x00007fffec936621 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffdfffebb0, rem=0x7fffdfffebc0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48 #1 0x00007fffec93be03 in __GI___nanosleep (requested_time=, remaining=) at nanosleep.c:27 #2 0x00007ffff2c49a38 in g_usleep () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #3 0x00005555568eaea0 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:468 #4 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #5 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fffe41f1700 (LWP 11201) "Trigger Worker"): #0 0x00007fffec963def in __GI___poll (fds=0x7fffe41f0b84, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff3c6579e in CrossThreadChannel::poll_for_request (this=0x555557345e68) at ../libs/pbd/crossthread.posix.cc:108 #2 0x00007ffff3c6580f in CrossThreadChannel::receive (this=0x555557345e68, msg=@0x7fffe41f0bef: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133 #3 0x00007ffff71abbe3 in ARDOUR::TriggerBoxThread::thread_work (this=0x555557345e40) at ../libs/ardour/triggerbox.cc:4418 #4 0x00007ffff71abb79 in ARDOUR::TriggerBoxThread::_thread_work (arg=0x555557345e40) at ../libs/ardour/triggerbox.cc:4406 #5 0x00007ffff3c88e7e in fake_thread_start (arg=0x55555734cb60) at ../libs/pbd/pthread_utils.cc:101 #6 0x00007fffeed33ea7 in start_thread (arg=) at pthread_create.c:477 #7 0x00007fffec96faef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fffe8a19dc0 (LWP 11184) "ArdourGUI"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2c69149 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #2 0x0000555555b16344 in Glib::Threads::Mutex::Lock::Lock (this=0x7fffffffaef0, mutex=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/glibmm-2.4/glibmm/threads.h:643 #3 0x00007ffff6b12a20 in ARDOUR::IO::add_port (this=0x55555df78c70, destination="", src=0x55555c37cc10, type=...) at ../libs/ardour/io.cc:310 #4 0x00007ffff71a6018 in ARDOUR::TriggerBox::add_midi_sidechain (this=0x55555c37dc20) at ../libs/ardour/triggerbox.cc:3442 #5 0x00007ffff7169120 in ARDOUR::Track::init (this=0x55555c37cc10) at ../libs/ardour/track.cc:94 #6 0x00007ffff7013d0f in ARDOUR::Session::new_audio_track (this=0x555559e5d030, input_channels=2, output_channels=2, route_group=0x0, how_many=1, name_template="Audio", order=4294967295, mode=ARDOUR::Normal, input_auto_connect=true, trigger_visibility=true) at ../libs/ardour/session.cc:2708 #7 0x0000555555b41c3a in ARDOUR_UI::session_add_audio_route (this=0x5555579ec440, track=true, input_channels=2, output_channels=2, mode=ARDOUR::Normal, route_group=0x0, how_many=1, name_template="Audio", strict_io=true, order=4294967295, trigger_visibility=true) at ../gtk2_ardour/ardour_ui.cc:1592 #8 0x0000555555b481df in ARDOUR_UI::add_route_dialog_response (this=0x5555579ec440, r=1) at ../gtk2_ardour/ardour_ui.cc:2880 #9 0x0000555555b796b8 in sigc::bound_mem_functor1::operator() (this=0x55555c353488, _A_a1=@0x7fffffffbcfc: 1) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1856 #10 0x0000555555b720d3 in sigc::adaptor_functor >::operator() (this=0x55555c353480, _A_arg1=@0x7fffffffbcfc: 1) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89 #11 0x0000555555b696f4 in sigc::internal::slot_call1, void, int>::call_it (rep=0x55555c353450, a_1=@0x7fffffffbcfc: 1) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:137 #12 0x00007ffff03675f5 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtkmm-2.4.so.1 #13 0x00007ffff2f27945 in g_closure_invoke () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #14 0x00007ffff2f3901b in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #15 0x00007ffff2f42c30 in g_signal_emit_valist () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #16 0x00007ffff2f43082 in g_signal_emit () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #17 0x00007ffff21660d4 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #18 0x00007ffff2f27b74 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #19 0x00007ffff2f42904 in g_signal_emit_valist () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #20 0x00007ffff2f43082 in g_signal_emit () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #21 0x00007ffff2124d82 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #22 0x00007ffff2f27b74 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #23 0x00007ffff2f42904 in g_signal_emit_valist () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #24 0x00007ffff2f43082 in g_signal_emit () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #25 0x00007ffff2122f92 in gtk_button_released () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #26 0x00007ffff2123059 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #27 0x00007ffff220bcac in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #28 0x00007ffff2f27945 in g_closure_invoke () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #29 0x00007ffff2f395a0 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #30 0x00007ffff2f4269b in g_signal_emit_valist () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #31 0x00007ffff2f43082 in g_signal_emit () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgobject-2.0.so.0 #32 0x00007ffff239064c in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #33 0x00007ffff220a29d in gtk_propagate_event () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #34 0x00007ffff220a723 in gtk_main_do_event () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #35 0x00007ffff1e26b4c in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgdk-x11-2.0.so.0 #36 0x00007ffff2c18b67 in g_main_context_dispatch () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #37 0x00007ffff2c18dd0 in ?? () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #38 0x00007ffff2c190f2 in g_main_loop_run () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libglib-2.0.so.0 #39 0x00007ffff22093e7 in gtk_main () from /opt/Ardour-7.0.pre0.2610-dbg/lib/libgtk-x11-2.0.so.0 #40 0x00007ffff4035c6e in Gtkmm2ext::UI::run (this=0x5555579ec440, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:309 #41 0x000055555614565c in main (argc=1, argv=0x7fffffffd2a8) at ../gtk2_ardour/main.cc:423