/opt/Ardour-4.0.434-dbg/bin/ardour4 --debug GNU gdb (Gentoo 7.9.1 vanilla) 7.9.1 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /opt/Ardour-4.0.434-dbg/bin/ardour-4.0.434...done. (gdb) run Starting program: /opt/Ardour-4.0.434-dbg/bin/ardour-4.0.434 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". bind txt domain [gtk2_ardour4] to /opt/Ardour-4.0.434-dbg/share/locale Ardour4.0.434 (built using 4.0-434-ge801155 and GCC version 4.4.7) ardour: [INFO]: Your system is configured to limit Ardour to only 64000 open files ardour: [INFO]: Loading system configuration file /opt/Ardour-4.0.434-dbg/etc/system_config Loading user configuration file /home/alex/.config/ardour4/config Using SSE optimized routines [New Thread 0x7fffe3fff700 (LWP 15884)] [New Thread 0x7fffe8d8b700 (LWP 15883)] [New Thread 0x7fffe958c700 (LWP 15882)] [New Thread 0x7fffe9d8d700 (LWP 15881)] *** WEAK-JACK: initializing *** WEAK-JACK: OK. (0) Cannot xinstall SIGPIPE error handler ardour: [INFO]: Loading default ui configuration file /opt/Ardour-4.0.434-dbg/etc/default_ui_config ardour: [INFO]: Loading user ui configuration file /home/alex/.config/ardour4/ui_config ardour: [INFO]: Loading ui configuration file /opt/Ardour-4.0.434-dbg/etc/clearlooks.rc ardour: [INFO]: Loading ui configuration file /opt/Ardour-4.0.434-dbg/etc/clearlooks.rc [New Thread 0x7fffe811e800 (LWP 15887)] EngineControl::set_state Found nothing along /home/alex/.config/ardour4/templates:/opt/Ardour-4.0.434-dbg/share/templates run dialog Announcement is: [Thread 0x7fffe811e800 (LWP 15887) exited] error: failed to expand CURIE `fomp:' error: attempt to add quad with NULL field error: failed to expand CURIE `pprops:hasStrictBounds' error: attempt to add quad with NULL field error: failed to expand CURIE `pprops:hasStrictBounds' error: attempt to add quad with NULL field error: failed to expand CURIE `pprops:hasStrictBounds' error: attempt to add quad with NULL field error: failed to expand CURIE `pprops:hasStrictBounds' error: attempt to add quad with NULL field error: failed to expand CURIE `pprops:notOnGUI' error: attempt to add quad with NULL field error: failed to expand CURIE `pprops:notOnGUI' error: attempt to add quad with NULL field error: failed to expand CURIE `units:unit' error: failed to expand CURIE `units:coeff' error: attempt to add quad with NULL field error: failed to expand CURIE `units:unit' error: failed to expand CURIE `units:s' error: attempt to add quad with NULL field Set cursor set to default actually writing state to /home/alex/Music Production/Projects/Ardour/gdbtest/gdbtest.tmp renaming state to /home/alex/Music Production/Projects/Ardour/gdbtest/gdbtest.ardour actually writing state to /home/alex/Music Production/Projects/Ardour/gdbtest/gdbtest.tmp renaming state to /home/alex/Music Production/Projects/Ardour/gdbtest/gdbtest.ardour Color trim knob not found Color trim knob: arc start not found Color trim knob: arc end not found Please call begin_reversible_command() before commit_reversible_command(). ardour-4.0.434: ../libs/ardour/session_state.cc:2470: void ARDOUR::Session::commit_reversible_command(Command*): Assertion `_current_trans' failed. [New Thread 0x7fffb7fff700 (LWP 16026)] [New Thread 0x7fffcb5f3700 (LWP 16025)] [New Thread 0x7fffcbdf4700 (LWP 16008)] [New Thread 0x7fffc808d800 (LWP 16007)] [New Thread 0x7fffc93ce700 (LWP 15939)] [New Thread 0x7fffca902700 (LWP 15938)] [New Thread 0x7fffca983700 (LWP 15937)] [New Thread 0x7fffe0cd4700 (LWP 15890)] [New Thread 0x7fffe2bc1700 (LWP 15886)] [New Thread 0x7fffe33c2700 (LWP 15885)] Program received signal SIGABRT, Aborted. 0x00007fffed4c7e67 in raise () from /lib64/libc.so.6 (gdb) thread apply all bt Thread 16 (Thread 0x7fffe33c2700 (LWP 15885)): #0 0x00007ffff04de54f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff4712524 in g_cond_wait () from /opt/Ardour-4.0.434-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff6ece450 in ARDOUR::AudioEngine::do_reset_backend (this=0x1786240) at ../libs/ardour/audioengine.cc:498 #3 0x00007ffff6edb9dd in boost::_mfi::mf0::operator() (this=0x1794550, p=0x1786240) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff6edb5ec in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x1794560, f=..., a=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind.hpp:253 #5 0x00007ffff6edaeed in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x1794550) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind_template.hpp:20 #6 0x00007ffff6eda6da in sigc::adaptor_functor, boost::_bi::list1 > > >::operator() (this=0x1794550) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251 #7 0x00007ffff6ed9902 in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it (rep=0x1794520) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff4c50b72 in ?? () from /opt/Ardour-4.0.434-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff46f17f5 in ?? () from /opt/Ardour-4.0.434-dbg/lib/libglib-2.0.so.0 #10 0x00007ffff04da204 in start_thread () from /lib64/libpthread.so.0 #11 0x00007fffed57787d in clone () from /lib64/libc.so.6 Thread 15 (Thread 0x7fffe2bc1700 (LWP 15886)): #0 0x00007ffff04de54f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff4712524 in g_cond_wait () from /opt/Ardour-4.0.434-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff6ece64f in ARDOUR::AudioEngine::do_devicelist_update (this=0x1786240) at ../libs/ardour/audioengine.cc:531 #3 0x00007ffff6edb9dd in boost::_mfi::mf0::operator() (this=0x18bb800, p=0x1786240) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff6edb5ec in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x18bb810, f=..., a=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind.hpp:253 #5 0x00007ffff6edaeed in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x18bb800) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind_template.hpp:20 #6 0x00007ffff6eda6da in sigc::adaptor_functor, boost::_bi::list1 > > >::operator() (this=0x18bb800) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251 #7 0x00007ffff6ed9902 in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it (rep=0x18bb7d0) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff4c50b72 in ?? () from /opt/Ardour-4.0.434-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff46f17f5 in ?? () from /opt/Ardour-4.0.434-dbg/lib/libglib-2.0.so.0 #10 0x00007ffff04da204 in start_thread () from /lib64/libpthread.so.0 #11 0x00007fffed57787d in clone () from /lib64/libc.so.6 Thread 14 (Thread 0x7fffe0cd4700 (LWP 15890)): #0 0x00007fffed56ec8d in poll () from /lib64/libc.so.6 #1 0x00007ffff46c6aa5 in ?? () from /opt/Ardour-4.0.434-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff46c6cc7 in g_main_context_iteration () from /opt/Ardour-4.0.434-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff46c6d19 in ?? () from /opt/Ardour-4.0.434-dbg/lib/libglib-2.0.so.0 #4 0x00007ffff46f17f5 in ?? () from /opt/Ardour-4.0.434-dbg/lib/libglib-2.0.so.0 #5 0x00007ffff04da204 in start_thread () from /lib64/libpthread.so.0 #6 0x00007fffed57787d in clone () from /lib64/libc.so.6 Thread 13 (Thread 0x7fffca983700 (LWP 15937)): #0 0x00007ffff04de54f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fffe157e94c in ?? () from /usr/lib64/libjack.so.0 #2 0x00007fffe15761e8 in ?? () from /usr/lib64/libjack.so.0 #3 0x00007fffe157da70 in ?? () from /usr/lib64/libjack.so.0 #4 0x00007ffff04da204 in start_thread () from /lib64/libpthread.so.0 #5 0x00007fffed57787d in clone () from /lib64/libc.so.6 Thread 12 (Thread 0x7fffca902700 (LWP 15938)): #0 0x00007ffff04e0f2d in read () from /lib64/libpthread.so.0