parumi@thinktank:~ $ gdb ardour GNU gdb 6.3-debian Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i486-linux-gnu"...Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1". (gdb) r Starting program: /usr/local/bin/ardour [Thread debugging using libthread_db enabled] [New Thread -1223362880 (LWP 27768)] Ardour/GTK 2.0alpha1 (built using 1.0.2 with libardour 1.0.0 and GCC version 4.0.2 20050808 (prerelease) (Ubuntu 4.0.1-4ubuntu9)) Copyright (C) 1999-2005 Paul Davis Some portions Copyright (C) Steve Harris, Ari Johnson, Brett Viren, Joel Baker Ardour comes with ABSOLUTELY NO WARRANTY not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. This is free software, and you are welcome to redistribute it under certain conditions; see the source for copying conditions. Loading UI configuration file /home/parumi/.ardour/ardour2_ui.rc Loading UI definition file /home/parumi/.ardour/ardour.menus [New Thread -1228936272 (LWP 27774)] [New Thread -1229321296 (LWP 27775)] [New Thread -1229648976 (LWP 27776)] Loading system configuration file /usr/local/etc/ardour/ardour_system.rc Loading user configuration file /home/parumi/.ardour/ardour.rc ardour: [INFO]: No H/W specific optimizations in use ardour: [ERROR]: LADSPA: cannot load module "/usr/local/lib/ladspa/sc4m_1916.so" (/usr/local/lib/ladspa/sc4m_1916.so: undefined symbol: db_data) ardour: [WARNING]: Your system generates "Mod2" when the NumLock key is pressed. This can cause problems when editing so Ardour will use Mod3 to mean Meta rather than Mod2 Loading key binding file /home/parumi/.ardour/ardour.bindings [New Thread -1237087312 (LWP 27778)] [New Thread -1246225488 (LWP 27779)] Loading session /home/parumi/bug3 using snapshot bug3 [New Thread -1257571408 (LWP 27784)] [New Thread -1265964112 (LWP 27785)] [New Thread -1274889296 (LWP 27786)] Audio 1 using a new source 0x926c080 for channel 0 Creating a new audio track, NOT destructive mode wave ready, n = 1 nwaves = 1 new wave = 0x92bdf90 tmp[0] = 0x92bdf90 tmp_waves[0] = 0x92bdf90 all waves ready, copied over ... waves[0] = 0x92bdf90 iterator[0] = 0x92bdf90 -------- done that time Audio 1 using a new source 0xb3102508 for channel 0 wave ready, n = 1 nwaves = 1 new wave = 0x93792f8 tmp[0] = 0x93792f8 tmp_waves[0] = 0x93792f8 all waves ready, copied over ... waves[0] = 0x93792f8 iterator[0] = 0x93792f8 -------- done that time wave ready, n = 1 nwaves = 1 new wave = 0x929c0a8 tmp[0] = 0x929c0a8 tmp_waves[0] = 0x929c0a8 all waves ready, copied over ... waves[0] = 0x929c0a8 iterator[0] = 0x929c0a8 -------- done that time Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1223362880 (LWP 27768)] 0xb7e6f2ca in gnome_canvas_item_ungrab () from /usr/lib/libgnomecanvas-2.so.0 (gdb) thread apply all bt Thread 9 (Thread -1274889296 (LWP 27786)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb74f30f4 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0x086f00ae in ARDOUR::Session::feedback_thread_work () #3 0xb7427361 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #4 0xb74fcbde in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 8 (Thread -1265964112 (LWP 27785)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb74f30f4 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0x086f78ac in ARDOUR::Session::midi_thread_work () #3 0x086f8333 in ARDOUR::Session::_midi_thread_work () #4 0xb7427361 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #5 0xb74fcbde in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 7 (Thread -1257571408 (LWP 27784)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb74f30f4 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0x086e1dc1 in ARDOUR::Session::butler_thread_work () #3 0x086e362c in ARDOUR::Session::_butler_thread_work () #4 0xb7427361 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #5 0xb74fcbde in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 6 (Thread -1246225488 (LWP 27779)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb74f30f4 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb766f7f3 in jack_client_thread (arg=0x8db9248) at client.c:1137 #3 0xb7427361 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #4 0xb74fcbde in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 5 (Thread -1237087312 (LWP 27778)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb74f30f4 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0x08739a36 in ARDOUR::Source::peak_thread_work () #3 0xb7427361 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #4 0xb74fcbde in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 4 (Thread -1229648976 (LWP 27776)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7429c96 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb75098b7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6 #3 0xb6f9092b in _gnome_vfs_thread_pool_init () from /usr/lib/libgnomevfs-2.so.0 #4 0xb7efa8c4 in g_static_private_free () from /usr/lib/libglib-2.0.so.0 #5 0xb7427361 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb74fcbde in clone () from /lib/tls/i686/cmov/libc.so.6 ---Type to continue, or q to quit--- Thread 3 (Thread -1229321296 (LWP 27775)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7429c96 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb75098b7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6 #3 0xb6f9092b in _gnome_vfs_thread_pool_init () from /usr/lib/libgnomevfs-2.so.0 #4 0xb7efa8c4 in g_static_private_free () from /usr/lib/libglib-2.0.so.0 #5 0xb7427361 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb74fcbde in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 2 (Thread -1228936272 (LWP 27774)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb74f30f4 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7ee1348 in g_main_context_check () from /usr/lib/libglib-2.0.so.0 #3 0xb7ee17e3 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #4 0xb6ea437e in link_thread_io_context () from /usr/lib/libORBit-2.so.0 #5 0xb7efa8c4 in g_static_private_free () from /usr/lib/libglib-2.0.so.0 #6 0xb7427361 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb74fcbde in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 1 (Thread -1223362880 (LWP 27768)): #0 0xb7e6f2ca in gnome_canvas_item_ungrab () from /usr/lib/libgnomecanvas-2.so.0 #1 0x083a6b16 in Editor::button_press_handler () #2 0x0837acfa in Editor::canvas_stream_view_event () #3 0x0858910b in sigc::internal::slot_call1, Gnome::Canvas::SimpleRect*, AudioTimeAxisView*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>, bool, _GdkEvent*>::call_it () #4 0x088676b1 in (anonymous namespace)::Item_signal_event_callback () #5 0xb7e6eacd in gnome_canvas_marshal_BOOLEAN__BOXED () from /usr/lib/libgnomecanvas-2.so.0 #6 0xb7e8b3a8 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #7 0xb7e99e8d in g_signal_stop_emission () from /usr/lib/libgobject-2.0.so.0 #8 0xb7e9aec3 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #9 0xb7e9b4c3 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #10 0xb7e71a6d in gnome_canvas_window_to_world () from /usr/lib/libgnomecanvas-2.so.0 #11 0xb7c6402c in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0 #12 0xb7e8ad75 in g_cclosure_new_swap () from /usr/lib/libgobject-2.0.so.0 #13 0xb7e8b3a8 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #14 0xb7e99c9f in g_signal_stop_emission () from /usr/lib/libgobject-2.0.so.0 #15 0xb7e9aec3 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #16 0xb7e9b4c3 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #17 0xb7d4616f in gtk_widget_activate () from /usr/lib/libgtk-x11-2.0.so.0 #18 0xb7c62767 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0 #19 0xb7c62bc8 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 #20 0xb7b06b2d in _gdk_events_queue () from /usr/lib/libgdk-x11-2.0.so.0 #21 0xb7ede4ee in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #22 0xb7ee14f6 in g_main_context_check () from /usr/lib/libglib-2.0.so.0 ---Type to continue, or q to quit--- #23 0xb7ee17e3 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #24 0xb7c61e65 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #25 0x087d7dc0 in Gtk::Main::run () #26 0x08762949 in Gtkmm2ext::UI::run () #27 0x0847f960 in main () (gdb)