[ardour-dev] segfault backtrace

Doug McLain dougmclain at cayf.org
Tue Jul 19 13:33:20 PDT 2005 

Attatched is another segfault caused by cuttting ranges of audio.

I opened a session, changed to another snapshot, selected all 8 tracks, 
selected a range, and hit delete.

nostar at mainman:~/src/ardour/gtk_ardour$ ./ardev
Ardour/GTK 0.9beta29
   (built using 0.599.1 with libardour 0.894.1)
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/nostar/.ardour/ardour_ui.rc
Loading system configuration file /home/nostar/.ardour/ardour_system.rc
Loading user configuration file /home/nostar/.ardour/ardour.rc
ardour: [WARNING]: no MIDI ports specified: no MMC or MTC control possible
ardour: [WARNING]: Your system generates "Mod2" when the NumLock key is 
pressed. This can cause problems when editing so Ardou
r will use Mod3 to mean Meta rather than Mod2
Selection::clear_playlists()
Selection::clear_playlists()
ardour: [ERROR]: KeyboardTarget: unknown action "toggle-recorder-window"
ardour: [ERROR]: KeyboardTarget: unknown action "transport-locate"
ardour: [ERROR]: KeyboardTarget: unknown action 
"edit-cursor-to-selection-start"
ardour: [ERROR]: KeyboardTarget: unknown action 
"edit-cursor-to-selection-end"
ardour: [ERROR]: KeyboardTarget: unknown action "set-mouse-mode-scrub"
ardour: [ERROR]: KeyboardTarget: unknown action "start-selection"
ardour: [ERROR]: KeyboardTarget: unknown action "finish-selection"
ardour: [ERROR]: KeyboardTarget: unknown action 
"extend-selection-to-end-of-region"
ardour: [ERROR]: KeyboardTarget: unknown action 
"extend-selection-to-start-of-region"
ardour: [ERROR]: KeyboardTarget: unknown action "duplicate-selection"
ardour: [ERROR]: KeyboardTarget: unknown action "split-region"
Loading session /home/nostar/2005-07-15 using snapshot 2005-07-15
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::add(Playlist Audio 8.1.1)
Selection::add(Playlist Guitar.1)
Selection::add(Playlist Cymbal.1)
Selection::add(Playlist Tom3.1)
Selection::add(Playlist Tom2.1)
Selection::add(Playlist Tom1.1)
Selection::add(Playlist Snare.1)
Selection::add(Playlist Kick.1)
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
    unref playlist 'Audio 8.1.1'
~AudioPlaylist(), name = 'Audio 8.1.1'
    unref playlist 'Guitar.1'
~AudioPlaylist(), name = 'Guitar.1'
    unref playlist 'Cymbal.1'
~AudioPlaylist(), name = 'Cymbal.1'
    unref playlist 'Tom3.1'
~AudioPlaylist(), name = 'Tom3.1'
    unref playlist 'Tom2.1'
~AudioPlaylist(), name = 'Tom2.1'
    unref playlist 'Tom1.1'
~AudioPlaylist(), name = 'Tom1.1'
    unref playlist 'Snare.1'
~AudioPlaylist(), name = 'Snare.1'
    unref playlist 'Kick.1'
~AudioPlaylist(), name = 'Kick.1'
   unref'd a non empty list. clear it & send signal
Selection::clear_playlists()
Selection::set(Playlist*), calling clear_playlists() and add()
Selection::clear_playlists()
Selection::add(Playlist*)
    - cutlist 8 +++
    - cutlist 6 +++
    - cutlist 1 +++
    - cutlist 2 +++
    - cutlist 5 +++
    - cutlist 4 +++
    - cutlist 3 +++
    - cutlist 7 +++
Selection::clear_playlists()
Selection::clear_playlists()
~AudioPlaylist(), name = 'Audio 8.1'
~AudioPlaylist(), name = 'Cymbal'
~AudioPlaylist(), name = 'Kick'
~AudioPlaylist(), name = 'Snare'
~AudioPlaylist(), name = 'Tom3'
~AudioPlaylist(), name = 'Tom2'
~AudioPlaylist(), name = 'Tom1'
~AudioPlaylist(), name = 'Guitar'
~AudioPlaylist(), name = 'auditioner.1'
Loading session /home/nostar/2005-07-15 using snapshot bingo
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
Selection::clear_playlists()
~AudioPlaylist(), name = 'Snare'
~AudioPlaylist(), name = 'Tom1'
~AudioPlaylist(), name = 'Cymbal'
~AudioPlaylist(), name = 'BassOD01'
~AudioPlaylist(), name = 'Tom2'
~AudioPlaylist(), name = 'Guitar'
~AudioPlaylist(), name = 'Vocals'
~AudioPlaylist(), name = 'Kick'
~AudioPlaylist(), name = 'Tom3'
~AudioPlaylist(), name = 'auditioner.1'
Loading session /home/nostar/2005-07-15/ using snapshot 2005-07-15
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
StreamView::add_region_view_internal()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
Selection::clear_playlists()
    unref playlist 'cutlist 8'
~AudioPlaylist(), name = 'cutlist 8'
Segmentation fault (core dumped)

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This GDB was configured as "i486-slackware-linux"...Using host libthread_db library "/lib/libthread_db.so.1".

Core was generated by `./ardour.bin --novst'.
Program terminated with signal 11, Segmentation fault.
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Reading symbols from /usr/local/lib/ladspa/pitch_scale_1193.so...done.
Loaded symbols for /usr/local/lib/ladspa/pitch_scale_1193.so
Reading symbols from /usr/local/lib/ladspa/pitch_scale_1194.so...done.
Loaded symbols for /usr/local/lib/ladspa/pitch_scale_1194.so
Reading symbols from /usr/local/lib/ladspa/valve_rect_1405.so...done.
Loaded symbols for /usr/local/lib/ladspa/valve_rect_1405.so
Reading symbols from /usr/local/lib/ladspa/tap_pinknoise.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_pinknoise.so
Reading symbols from /usr/local/lib/ladspa/hermes_filter_1200.so...done.
Loaded symbols for /usr/local/lib/ladspa/hermes_filter_1200.so
Reading symbols from /usr/local/lib/ladspa/impulse_1885.so...done.
Loaded symbols for /usr/local/lib/ladspa/impulse_1885.so
Reading symbols from /usr/local/lib/ladspa/bode_shifter_1431.so...done.
Loaded symbols for /usr/local/lib/ladspa/bode_shifter_1431.so
Reading symbols from /usr/local/lib/ladspa/harmonic_gen_1220.so...done.
Loaded symbols for /usr/local/lib/ladspa/harmonic_gen_1220.so
Reading symbols from /usr/local/lib/ladspa/lowpass_iir_1891.so...done.
Loaded symbols for /usr/local/lib/ladspa/lowpass_iir_1891.so
Reading symbols from /usr/local/lib/ladspa/tap_rotspeak.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_rotspeak.so
Reading symbols from /usr/local/lib/ladspa/tap_vibrato.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_vibrato.so
Reading symbols from /usr/local/lib/ladspa/step_muxer_1212.so...done.
Loaded symbols for /usr/local/lib/ladspa/step_muxer_1212.so
Reading symbols from /usr/local/lib/ladspa/flanger_1191.so...done.
Loaded symbols for /usr/local/lib/ladspa/flanger_1191.so
Reading symbols from /usr/local/lib/ladspa/amp_1181.so...done.
Loaded symbols for /usr/local/lib/ladspa/amp_1181.so
Reading symbols from /usr/local/lib/ladspa/lookahead_limiter_1435.so...done.
Loaded symbols for /usr/local/lib/ladspa/lookahead_limiter_1435.so
Reading symbols from /usr/local/lib/ladspa/butterworth_1902.so...done.
Loaded symbols for /usr/local/lib/ladspa/butterworth_1902.so
Reading symbols from /usr/local/lib/ladspa/tap_doubler.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_doubler.so
Reading symbols from /usr/local/lib/ladspa/sc2_1426.so...done.
Loaded symbols for /usr/local/lib/ladspa/sc2_1426.so
Reading symbols from /usr/local/lib/ladspa/dyson_compress_1403.so...done.
Loaded symbols for /usr/local/lib/ladspa/dyson_compress_1403.so
Reading symbols from /usr/local/lib/ladspa/decay_1886.so...done.
Loaded symbols for /usr/local/lib/ladspa/decay_1886.so
Reading symbols from /usr/local/lib/ladspa/alias_1407.so...done.
Loaded symbols for /usr/local/lib/ladspa/alias_1407.so
Reading symbols from /usr/local/lib/ladspa/latency_1914.so...done.
Loaded symbols for /usr/local/lib/ladspa/latency_1914.so
Reading symbols from /usr/local/lib/ladspa/triple_para_1204.so...done.
Loaded symbols for /usr/local/lib/ladspa/triple_para_1204.so
Reading symbols from /usr/local/lib/ladspa/revdelay_1605.so...done.
Loaded symbols for /usr/local/lib/ladspa/revdelay_1605.so
Reading symbols from /usr/local/lib/ladspa/tap_eq.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_eq.so
Reading symbols from /usr/local/lib/ladspa/retro_flange_1208.so...done.
Loaded symbols for /usr/local/lib/ladspa/retro_flange_1208.so
Reading symbols from /usr/local/lib/ladspa/am_pitchshift_1433.so...done.
Loaded symbols for /usr/local/lib/ladspa/am_pitchshift_1433.so
Reading symbols from /usr/local/lib/ladspa/mod_delay_1419.so...done.
Loaded symbols for /usr/local/lib/ladspa/mod_delay_1419.so
Reading symbols from /usr/local/lib/ladspa/zm1_1428.so...done.
Loaded symbols for /usr/local/lib/ladspa/zm1_1428.so
Reading symbols from /usr/local/lib/ladspa/split_1406.so...done.
Loaded symbols for /usr/local/lib/ladspa/split_1406.so
Reading symbols from /usr/local/lib/ladspa/tap_autopan.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_autopan.so
Reading symbols from /usr/local/lib/ladspa/rate_shifter_1417.so...done.
Loaded symbols for /usr/local/lib/ladspa/rate_shifter_1417.so
Reading symbols from /usr/local/lib/ladspa/tap_dynamics_st_1in.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_dynamics_st_1in.so
Reading symbols from /usr/local/lib/ladspa/pointer_cast_1910.so...done.
Loaded symbols for /usr/local/lib/ladspa/pointer_cast_1910.so
Reading symbols from /usr/local/lib/ladspa/comb_1190.so...done.
Loaded symbols for /usr/local/lib/ladspa/comb_1190.so
Reading symbols from /usr/local/lib/ladspa/tap_echo.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_echo.so
Reading symbols from /usr/local/lib/ladspa/gsm_1215.so...done.
Loaded symbols for /usr/local/lib/ladspa/gsm_1215.so
Reading symbols from /usr/local/lib/ladspa/highpass_iir_1890.so...done.
Loaded symbols for /usr/local/lib/ladspa/highpass_iir_1890.so
Reading symbols from /usr/local/lib/ladspa/karaoke_1409.so...done.
Loaded symbols for /usr/local/lib/ladspa/karaoke_1409.so
Reading symbols from /usr/local/lib/ladspa/tap_echo_M.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_echo_M.so
Reading symbols from /usr/local/lib/ladspa/jamincont_1912.so...done.
Loaded symbols for /usr/local/lib/ladspa/jamincont_1912.so
Reading symbols from /usr/local/lib/liblo.so.0...done.
Loaded symbols for /usr/local/lib/liblo.so.0
Reading symbols from /usr/local/lib/ladspa/tap_chorusflanger.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_chorusflanger.so
Reading symbols from /usr/local/lib/ladspa/bandpass_iir_1892.so...done.
Loaded symbols for /usr/local/lib/ladspa/bandpass_iir_1892.so
Reading symbols from /usr/local/lib/ladspa/sc4_1882.so...done.
Loaded symbols for /usr/local/lib/ladspa/sc4_1882.so
Reading symbols from /usr/local/lib/ladspa/wave_terrain_1412.so...done.
Loaded symbols for /usr/local/lib/ladspa/wave_terrain_1412.so
Reading symbols from /usr/local/lib/ladspa/notch_iir_1894.so...done.
Loaded symbols for /usr/local/lib/ladspa/notch_iir_1894.so
Reading symbols from /usr/local/lib/ladspa/freq_tracker_1418.so...done.
Loaded symbols for /usr/local/lib/ladspa/freq_tracker_1418.so
Reading symbols from /usr/local/lib/ladspa/comb_1887.so...done.
Loaded symbols for /usr/local/lib/ladspa/comb_1887.so
Reading symbols from /usr/local/lib/ladspa/tap_deesser.so...done.
Loaded symbols for /usr/local/lib/ladspa/tap_deesser.so
Reading symbols from /usr/local/lib/ladspa/noise.so...done.
Loaded symbols for /usr/local/lib/ladspa/noise.so
Reading symbols from /usr/X11R6/lib/libXcursor.so.1...done.
Loaded symbols for /usr/X11R6/lib/libXcursor.so.1
Reading symbols from /usr/X11R6/lib/libXrender.so.1...done.
Loaded symbols for /usr/X11R6/lib/libXrender.so.1
#0  0x4012ac27 in ~AudioPlaylist (this=0x42bcbc38) at libs/ardour/audio_playlist.cc:126
126			(*ar)->unlock_sources ();

Thread 8 (process 8862):
#0  0x40b837a2 in fts_children () from /lib/libc.so.6
#1  0x40b8386c in poll () from /lib/libc.so.6
#2  0x407af9c0 in pthread_detach () from /lib/libpthread.so.0
#3  0x40b8c037 in clone () from /lib/libc.so.6

Thread 7 (process 8863):
#0  0x40ad92e1 in sigpending () from /lib/libc.so.6
#1  0x40ad93a7 in sigsuspend () from /lib/libc.so.6
#2  0x407b2c37 in sigwait () from /lib/libpthread.so.0
#3  0x08271c29 in signal_thread (arg=0x0) at gtk_ardour/main.cc:156
#4  0x407afcc4 in pthread_detach () from /lib/libpthread.so.0
#5  0x40b8c037 in clone () from /lib/libc.so.6

Thread 6 (process 8864):
#0  0x40b837a2 in fts_children () from /lib/libc.so.6
#1  0x40b8386c in poll () from /lib/libc.so.6
#2  0x40285211 in ARDOUR::Source::peak_thread_work (arg=0x0) at libs/ardour/source.cc:161
#3  0x407afcc4 in pthread_detach () from /lib/libpthread.so.0
#4  0x40b8c037 in clone () from /lib/libc.so.6

Thread 5 (process 8865):
#0  0x40b837a2 in fts_children () from /lib/libc.so.6
#1  0x40b8386c in poll () from /lib/libc.so.6
#2  0x409de533 in jack_client_thread (arg=0x86148a8) at client.c:1137
#3  0x409e22f8 in jack_thread_proxy (varg=0x8880418) at thread.c:111
#4  0x407afcc4 in pthread_detach () from /lib/libpthread.so.0
#5  0x40b8c037 in clone () from /lib/libc.so.6

Thread 4 (process 9659):
#0  0x40b837a2 in fts_children () from /lib/libc.so.6
#1  0x40b8386c in poll () from /lib/libc.so.6
#2  0x4023ffb3 in ARDOUR::Session::butler_thread_work (this=0x42b46400) at libs/ardour/session_butler.cc:183
#3  0x4023fef0 in ARDOUR::Session::_butler_thread_work (arg=0x42b46400) at libs/ardour/session_butler.cc:158
#4  0x407afcc4 in pthread_detach () from /lib/libpthread.so.0
#5  0x40b8c037 in clone () from /lib/libc.so.6

Thread 3 (process 9660):
#0  0x40b837a2 in fts_children () from /lib/libc.so.6
#1  0x40b8386c in poll () from /lib/libc.so.6
#2  0x4024ec28 in ARDOUR::Session::midi_thread_work (this=0x42b46400) at libs/ardour/session_midi.cc:1336
#3  0x4024e780 in ARDOUR::Session::_midi_thread_work (arg=0x42b46400) at libs/ardour/session_midi.cc:1257
#4  0x407afcc4 in pthread_detach () from /lib/libpthread.so.0
#5  0x40b8c037 in clone () from /lib/libc.so.6

Thread 2 (process 9661):
#0  0x40b837a2 in fts_children () from /lib/libc.so.6
#1  0x40b8386c in poll () from /lib/libc.so.6
#2  0x402496e1 in ARDOUR::Session::feedback_thread_work (this=0x42b46400) at libs/ardour/session_feedback.cc:137
#3  0x402495a2 in ARDOUR::Session::_feedback_thread_work (arg=0x42b46400) at libs/ardour/session_feedback.cc:112
#4  0x407afcc4 in pthread_detach () from /lib/libpthread.so.0
#5  0x40b8c037 in clone () from /lib/libc.so.6

Thread 1 (process 8861):
#0  0x4012ac27 in ~AudioPlaylist (this=0x42bcbc38) at libs/ardour/audio_playlist.cc:126
#1  0x401e004c in ARDOUR::Playlist::unref (this=0x42bcbc38) at libs/ardour/playlist.cc:188
#2  0x08335da2 in Selection::clear_playlists (this=0x880e178) at gtk_ardour/selection.cc:136
#3  0x08335ac1 in Selection::clear (this=0x880e178) at gtk_ardour/selection.cc:77
#4  0x081c5b8d in Editor::cut_copy (this=0x87c90b0, op=Cut) at gtk_ardour/editor_ops.cc:2949
#5  0x081c5ac3 in Editor::cut (this=0x87c90b0) at gtk_ardour/editor_ops.cc:2921
#6  0x0817dfcc in SigC::ObjectSlot0_<void, Editor>::callback (d=0x88375d4) at object_slot.h:56
#7  0x080a0179 in SigC::Callback0<void>::call (this=0x88375d4) at slot.h:260
#8  0x08244d21 in SigC::Slot0<void>::operator() (this=0x88395ac) at slot.h:290
#9  0x08242ab8 in KeyboardTarget::key_press_event (this=0x87c90d8, event=0x8880488, state=@0x87c1804, handled=@0xbffff203)
    at gtk_ardour/keyboard_target.cc:57
#10 0x0823c9f2 in Keyboard::snooper (this=0x87c17e8, widget=0x880f200, event=0x8880488) at gtk_ardour/keyboard.cc:264
#11 0x0823c565 in Keyboard::_snooper (widget=0x880f200, event=0x8880488, data=0x87c17e8) at gtk_ardour/keyboard.cc:146
#12 0x404f0c0f in gtk_key_snooper_remove () from /usr/lib/libgtk-1.2.so.0
#13 0x404f06ea in gtk_main_do_event () from /usr/lib/libgtk-1.2.so.0
#14 0x40598b44 in gdk_wm_protocols_filter () from /usr/lib/libgdk-1.2.so.0
#15 0x405c5e75 in g_get_current_time () from /usr/lib/libglib-1.2.so.0
#16 0x405c632c in g_get_current_time () from /usr/lib/libglib-1.2.so.0
#17 0x405c655c in g_main_run () from /usr/lib/libglib-1.2.so.0
#18 0x404f0083 in gtk_main () from /usr/lib/libgtk-1.2.so.0
#19 0x083af6b7 in Gtk::Main::run_impl (this=0x85956b0) at libs/gtkmm/src/gtk--/main.cc:11
#20 0x080a0db1 in Gtk::Main::run () at main.h:168
#21 0x083698f2 in Gtkmmext::UI::run (this=0x8596590, old_receiver=@0x8581ca0) at libs/gtkmmext/gtk_ui.cc:171
#22 0x08273bc3 in main (argc=2, argv=0xbffff544) at gtk_ardour/main.cc:485

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