nowhiskey@murija2:~/software/ardour2/2.0-ongoing/gtk2_ardour$ ./ardbg 
USING OLD CLEARLOOKS
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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 "i486-linux-gnu"...
(gdb)  br main
Breakpoint 1 at 0x8705a5b: file gtk2_ardour/main.cc, line 261.
(gdb)  run /home/nowhiskey/Ardour2/107/107.ardour
Starting program: /home/nowhiskey/software/ardour2/2.0-ongoing/gtk2_ardour/ardour-2.7.1 /home/nowhiskey/Ardour2/107/107.ardour
[Thread debugging using libthread_db enabled]
[New Thread 0xb5e136d0 (LWP 4650)]
[Switching to Thread 0xb5e136d0 (LWP 4650)]

Breakpoint 1, main (argc=2, argv=0xbf89f334) at gtk2_ardour/main.cc:261
261             vector<Glib::ustring> null_file_list;
(gdb) catch throw
Catchpoint 2 (throw)
(gdb) catch catch
Catchpoint 3 (catch)
(gdb) catch throw
Catchpoint 4 (throw)
(gdb) c
Continuing.
Ardour/GTK 2.7.1
   (kompiliert mit Version 4248 und GCC Version4.3.2)
Copyright (C) 1999-2008 Paul Davis
Einige Teile Copyright (C) Steve Harris, Ari Johnson, Brett Viren, Joel Baker

Ardour wird Ihnen ohne jegliche Gew�#hrleistung und ausdr�#cklich ohne die Zusicherung
f�#r allgemeine oder spezielle Gebrauchstauglichkeit zur Verf�#gung gestellt.
Dies ist freie Software und Sie d�#rfen sie gerne weiterverbreiten,
solange Sie sich an die Bedingungen, die in der Datei COPYING aufgef�#hrt sind halten.
theme_init() called from internal clearlooks engine
/usr/share/themes/Clearlooks/gtk-2.0/gtkrc:67: error: unexpected identifier `colorize_scrollbar', expected character `}'
lade voreingestellte UI-Konfigurationsdatei gtk2_ardour/ardour2_ui_default.conf
Loading ui configuration file gtk2_ardour/ardour2_ui_dark.rc
theme_init() called from internal clearlooks engine
ardour: [INFO]: Ardour will be limited to 1024 open files
lade System-Konfigurationsdatei ./ardour_system.rc
ardour: [INFO]: Using SSE optimized routines
[New Thread 0xb5ba1b90 (LWP 4653)]
[New Thread 0xb53a1b90 (LWP 4654)]
[New Thread 0xb4ba1b90 (LWP 4655)]
ardour: [INFO]: suche nach Controller-Protokollen in /home/nowhiskey/.ardour2/surfaces/:/usr/local/lib/ardour2/surfaces/
ardour: [INFO]: Controller-Protokoll gefunden: "Generic MIDI"
[New Thread 0xb3d8db90 (LWP 4657)]
[Thread 0xb3d8db90 (LWP 4657) exited]
[New Thread 0xb3d8db90 (LWP 4659)]
loading bindings from gtk2_ardour/mnemonic-us.bindings
[New Thread 0xb2c7ab90 (LWP 4661)]
[New Thread 0xb2bc4cb0 (LWP 4662)]
Loading session /home/nowhiskey/Ardour2/107 using snapshot 107 (1)
[New Thread 0xb2917cb0 (LWP 4663)]
[New Thread 0xb289ccb0 (LWP 4664)]
Lade History von '/home/nowhiskey/Ardour2/107/107.history'.
GnomeCanvas-ERROR **: file gnome-canvas.c: line 3467 (gnome_canvas_update_now): assertion failed: (canvas->idle_id == 0)
aborting...

Program received signal SIGABRT, Aborted.
0xb65ff556 in raise () from /lib/libc.so.6
(gdb) thread apply all bt
Thread 10 (Thread 0xb289ccb0 (LWP 4664)):
#0  0xb669648d in poll () from /lib/libc.so.6
#1  0xb7ea816f in ARDOUR::Session::midi_thread_work (this=0x9085558) at libs/ardour/session_midi.cc:1223
#2  0xb7ea870d in ARDOUR::Session::_midi_thread_work (arg=0x9085558) at libs/ardour/session_midi.cc:1141
#3  0xb6d6af3b in start_thread () from /lib/libpthread.so.0
#4  0xb669fb6e in clone () from /lib/libc.so.6

Thread 9 (Thread 0xb2917cb0 (LWP 4663)):
#0  0xb669648d in poll () from /lib/libc.so.6
#1  0xb7e47256 in ARDOUR::Session::butler_thread_work (this=0x9085558) at libs/ardour/session_butler.cc:179
#2  0xb7e482bd in ARDOUR::Session::_butler_thread_work (arg=0x9085558) at libs/ardour/session_butler.cc:159
#3  0xb6d6af3b in start_thread () from /lib/libpthread.so.0
#4  0xb669fb6e in clone () from /lib/libc.so.6

Thread 8 (Thread 0xb2bc4cb0 (LWP 4662)):
#0  0xb6d71ccc in nanosleep () from /lib/libpthread.so.0
#1  0xb7742412 in g_usleep () from /usr/share/qt4/lib/libglib-2.0.so.0
#2  0xb76a9a6d in Glib::usleep (microseconds=10000) at libs/glibmm2/glibmm/timer.cc:68
#3  0xb7d0db8c in ARDOUR::AudioEngine::meter_thread (this=0x8eb07d8) at libs/ardour/audioengine.cc:434
#4  0xb7d11aaf in sigc::bound_mem_functor0<void, ARDOUR::AudioEngine>::operator() (this=0x9078fec) at libs/sigc++2/sigc++/functors/mem_fun.h:1787
#5  0xb7d11ad6 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR::AudioEngine> >::operator() (this=0x9078fe8)
    at libs/sigc++2/sigc++/adaptors/adaptor_trait.h:251
#6  0xb7d11b02 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR::AudioEngine>, void>::call_it (rep=0x9078fd0)
    at libs/sigc++2/sigc++/functors/slot.h:103
#7  0x083fcb7a in sigc::slot0<void>::operator() (this=0x9078fc0) at libs/sigc++2/sigc++/functors/slot.h:440
#8  0xb76c6807 in call_thread_entry_slot (data=0x9078fc0) at libs/glibmm2/glibmm/thread.cc:43
#9  0xb774014f in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#10 0x09078fc0 in ?? ()
#11 0x0907a3c8 in ?? ()
#12 0x00000000 in ?? ()

Thread 7 (Thread 0xb2c7ab90 (LWP 4661)):
#0  0xb669648d in poll () from /lib/libc.so.6
#1  0xb6d858ca in jack_client_core_wait (client=0x8eb0c30) at client.c:1439
#2  0xb6d85d41 in jack_thread_wait (client=0x8eb0c30, status=0) at client.c:1611
#3  0xb6d86988 in jack_client_thread (arg=0x8eb0c30) at client.c:1726
#4  0xb6d8b9b0 in jack_thread_proxy (varg=0x8ac9ed0) at thread.c:110
#5  0xb6d6af3b in start_thread () from /lib/libpthread.so.0
#6  0xb669fb6e in clone () from /lib/libc.so.6

Thread 6 (Thread 0xb3d8db90 (LWP 4659)):
#0  0xb6d6e8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0xb6d87274 in mb_thread_func (arg=0x0) at messagebuffer.c:70
#2  0xb6d6af3b in start_thread () from /lib/libpthread.so.0
#3  0xb669fb6e in clone () from /lib/libc.so.6

Thread 4 (Thread 0xb4ba1b90 (LWP 4655)):
#0  0xb6d6e8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0xb76c5d85 in Glib::Cond::wait (this=0x8bbf020, mutex=@0xb7f8366c) at libs/glibmm2/glibmm/thread.cc:362
#2  0xb7ced73b in ARDOUR::Analyser::work () at libs/ardour/analyser.cc:85
#3  0xb7ced8a1 in analyser_work () at libs/ardour/analyser.cc:49
#4  0x087baded in sigc::pointer_functor0<void>::operator() (this=0x8bc5a44) at libs/sigc++2/sigc++/functors/ptr_fun.h:77
#5  0x087bae04 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x8bc5a40) at libs/sigc++2/sigc++/adaptors/adaptor_trait.h:251
#6  0x087bae20 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x8bc5a28) at libs/sigc++2/sigc++/functors/slot.h:103
#7  0x083fcb7a in sigc::slot0<void>::operator() (this=0x8bbf208) at libs/sigc++2/sigc++/functors/slot.h:440
#8  0xb76c6807 in call_thread_entry_slot (data=0x8bbf208) at libs/glibmm2/glibmm/thread.cc:43
#9  0xb774014f in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#10 0x08bbf208 in ?? ()
#11 0x08bc5a50 in ?? ()
#12 0x00000000 in ?? ()

Thread 3 (Thread 0xb53a1b90 (LWP 4654)):
#0  0xb6d6e8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0xb76c5d85 in Glib::Cond::wait (this=0x8bb33c8, mutex=@0xb7f83b44) at libs/glibmm2/glibmm/thread.cc:362
#2  0xb7ee5e02 in peak_thread_work () at libs/ardour/source_factory.cc:65
#3  0x087baded in sigc::pointer_functor0<void>::operator() (this=0x8bbf094) at libs/sigc++2/sigc++/functors/ptr_fun.h:77
#4  0x087bae04 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x8bbf090) at libs/sigc++2/sigc++/adaptors/adaptor_trait.h:251
#5  0x087bae20 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x8bbf078) at libs/sigc++2/sigc++/functors/slot.h:103
#6  0x083fcb7a in sigc::slot0<void>::operator() (this=0x8bbf068) at libs/sigc++2/sigc++/functors/slot.h:440
#7  0xb76c6807 in call_thread_entry_slot (data=0x8bbf068) at libs/glibmm2/glibmm/thread.cc:43
#8  0xb774014f in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#9  0x08bbf068 in ?? ()
#10 0x08bbf0a0 in ?? ()
#11 0x00000000 in ?? ()

Thread 2 (Thread 0xb5ba1b90 (LWP 4653)):
#0  0xb6d6e8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0xb76c5d85 in Glib::Cond::wait (this=0x8bb33c8, mutex=@0xb7f83b44) at libs/glibmm2/glibmm/thread.cc:362
#2  0xb7ee5e02 in peak_thread_work () at libs/ardour/source_factory.cc:65
#3  0x087baded in sigc::pointer_functor0<void>::operator() (this=0x8bbef0c) at libs/sigc++2/sigc++/functors/ptr_fun.h:77
#4  0x087bae04 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x8bbef08) at libs/sigc++2/sigc++/adaptors/adaptor_trait.h:251
#5  0x087bae20 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x8bbeef0) at libs/sigc++2/sigc++/functors/slot.h:103
#6  0x083fcb7a in sigc::slot0<void>::operator() (this=0x8bbedf0) at libs/sigc++2/sigc++/functors/slot.h:440
#7  0xb76c6807 in call_thread_entry_slot (data=0x8bbedf0) at libs/glibmm2/glibmm/thread.cc:43
#8  0xb774014f in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#9  0x08bbedf0 in ?? ()
#10 0x08bbef18 in ?? ()
#11 0x00015080 in ?? ()
#12 0x00000005 in ?? ()
#13 0xb65dcb9c in ?? () from /lib/libc.so.6
#14 0xb6d79ff4 in ?? () from /lib/libpthread.so.0
#15 0xb6d6c280 in ?? () from /lib/libpthread.so.0
#16 0xb6d79ff4 in ?? () from /lib/libpthread.so.0
#17 0xb5ba1b90 in ?? ()
#18 0x00000000 in ?? ()

Thread 1 (Thread 0xb5e136d0 (LWP 4650)):
#0  0xb65ff556 in raise () from /lib/libc.so.6
#1  0xb6600d78 in abort () from /lib/libc.so.6
#2  0xb7720064 in g_logv () from /usr/share/qt4/lib/libglib-2.0.so.0
#3  0xb7720096 in g_log () from /usr/share/qt4/lib/libglib-2.0.so.0
#4  0xb7720110 in g_assert_warning () from /usr/share/qt4/lib/libglib-2.0.so.0
#5  0xb6d569d7 in gnome_canvas_update_now () from /usr/share/qt4/lib/libgnomecanvas-2.so.0
#6  0xb6cfc76f in Gnome::Canvas::Canvas::update_now (this=0x8ef02d0) at libs/libgnomecanvasmm/libgnomecanvasmm/canvas.cc:396
#7  0x085af550 in Editor::flush_canvas (this=0x8eb2180) at gtk2_ardour/editor_canvas.cc:974
#8  0x084fe553 in Editor::idle_resize (this=0x8eb2180) at gtk2_ardour/editor.cc:4960
#9  0x084fe57b in _idle_resizer (arg=0x8eb2180) at gtk2_ardour/editor.cc:4934
#10 0xb7714271 in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#11 0x08eb2180 in ?? ()
#12 0x0920be70 in ?? ()
#13 0xbf89f078 in ?? ()
#14 0xb77913a0 in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#15 0xb6d6dd20 in ?? () from /lib/libpthread.so.0
#16 0xb77913a0 in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#17 0xbf89f0c8 in ?? ()
#18 0xb77161b8 in g_main_context_dispatch () from /usr/share/qt4/lib/libglib-2.0.so.0
Backtrace stopped: frame did not save the PC

nowhiskey@murija2:~/software/ardour2/2.0-ongoing/gtk2_ardour$ ./ardbg 
USING OLD CLEARLOOKS
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
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 "i486-linux-gnu"...
(gdb) run 
Starting program:
/home/nowhiskey/software/ardour2/2.0-ongoing/gtk2_ardour/ardour-2.7.1 
[Thread debugging using libthread_db enabled]
Ardour/GTK 2.7.1
   (kompiliert mit Version 4253 und GCC Version4.3.2)
Copyright (C) 1999-2008 Paul Davis
Einige Teile Copyright (C) Steve Harris, Ari Johnson, Brett Viren, Joel
Baker

Ardour wird Ihnen ohne jegliche Gew�#hrleistung und ausdr�#cklich ohne die
Zusicherung
f�#r allgemeine oder spezielle Gebrauchstauglichkeit zur Verf�#gung
gestellt.
Dies ist freie Software und Sie d�#rfen sie gerne weiterverbreiten,
solange Sie sich an die Bedingungen, die in der Datei COPYING aufgef�#hrt
sind halten.
[New Thread 0xb5f4f6d0 (LWP 4140)]
theme_init() called from internal clearlooks engine
/usr/share/themes/Clearlooks/gtk-2.0/gtkrc:67: error: unexpected identifier
`colorize_scrollbar', expected character `}'
lade voreingestellte UI-Konfigurationsdatei
gtk2_ardour/ardour2_ui_default.conf
lade benutzerdefinierte UI-Konfigurationsdatei
/home/nowhiskey/.ardour2/ardour2_ui.conf
Loading ui configuration file gtk2_ardour/ardour2_ui_dark.rc
theme_init() called from internal clearlooks engine
ardour: [INFO]: Ardour will be limited to 1024 open files
lade System-Konfigurationsdatei ./ardour_system.rc
lade Benutzer-Konfigurationsdatei /home/nowhiskey/.ardour2/ardour.rc
ardour: [INFO]: Using SSE optimized routines
[New Thread 0xb5dd9b90 (LWP 4189)]
[New Thread 0xb55d9b90 (LWP 4190)]
[New Thread 0xb4dd9b90 (LWP 4191)]
ardour: [INFO]: suche nach Controller-Protokollen in
/home/nowhiskey/.ardour2/surfaces/:/usr/local/lib/ardour2/surfaces/
ardour: [INFO]: Controller-Protokoll gefunden: "Generic MIDI"
[New Thread 0xb3fbfb90 (LWP 4194)]
[Thread 0xb3fbfb90 (LWP 4194) exited]
Gtk-Message: (for origin information, set GTK_DEBUG): failed to retrieve
property `GtkWidget::cursor-color' of type `GdkColor' from rc file value
"((GString*) 0x8b4e720)" of type `GString'
[New Thread 0xb3fbfb90 (LWP 4196)]
loading bindings from /home/nowhiskey/.ardour2/ardour.bindings
[New Thread 0xb2db4b90 (LWP 4198)]
[New Thread 0xb257ecb0 (LWP 4199)]
Loading session /home/nowhiskey/Ardour2/120 using snapshot 120 (2)
[New Thread 0xb22d1cb0 (LWP 4200)]
[New Thread 0xb2256cb0 (LWP 4201)]
Lade History von '/home/nowhiskey/Ardour2/120/120.history'.
GnomeCanvas-ERROR **: file gnome-canvas.c: line 3467
(gnome_canvas_update_now): assertion failed: (canvas->idle_id == 0)
aborting...

Program received signal SIGABRT, Aborted.
[Switching to Thread 0xb5f4f6d0 (LWP 4140)]
0xb673b556 in raise () from /lib/libc.so.6
(gdb) thread apply all bt
Thread 10 (Thread 0xb2256cb0 (LWP 4201)):
#0  0xb67d248d in poll () from /lib/libc.so.6
#1  0xb7fe4183 in ARDOUR::Session::midi_thread_work (this=0x906fa50)
    at libs/ardour/session_midi.cc:1223
#2  0xb7fe4721 in ARDOUR::Session::_midi_thread_work (arg=0x906fa50)
    at libs/ardour/session_midi.cc:1141
#3  0xb6ea6f3b in start_thread () from /lib/libpthread.so.0
#4  0xb67dbb6e in clone () from /lib/libc.so.6

Thread 9 (Thread 0xb22d1cb0 (LWP 4200)):
#0  0xb67d248d in poll () from /lib/libc.so.6
#1  0xb7f8326a in ARDOUR::Session::butler_thread_work (this=0x906fa50)
    at libs/ardour/session_butler.cc:179
#2  0xb7f842d1 in ARDOUR::Session::_butler_thread_work (arg=0x906fa50)
    at libs/ardour/session_butler.cc:159
#3  0xb6ea6f3b in start_thread () from /lib/libpthread.so.0
#4  0xb67dbb6e in clone () from /lib/libc.so.6

Thread 8 (Thread 0xb257ecb0 (LWP 4199)):
#0  0xb6eadccc in nanosleep () from /lib/libpthread.so.0
#1  0xb787e412 in g_usleep () from /usr/share/qt4/lib/libglib-2.0.so.0
#2  0xb77e5a6d in Glib::usleep (microseconds=10000)
    at libs/glibmm2/glibmm/timer.cc:68
#3  0xb7e49b8c in ARDOUR::AudioEngine::meter_thread (this=0x8e94448)
    at libs/ardour/audioengine.cc:434
#4  0xb7e4daaf in sigc::bound_mem_functor0<void,
ARDOUR::AudioEngine>::operator() (this=0x906f804) at
#libs/sigc++2/sigc++/functors/mem_fun.h:1787
#5  0xb7e4dad6 in sigc::adaptor_functor<sigc::bound_mem_functor0<void,
#ARDOUR::AudioEngine> >::operator() (this=0x906f800)
    at libs/sigc++2/sigc++/adaptors/adaptor_trait.h:251
#6  0xb7e4db02 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void,
ARDOUR::AudioEngine>, void>::call_it (rep=0x906f7e8)
    at libs/sigc++2/sigc++/functors/slot.h:103
#7  0x083fcb2a in sigc::slot0<void>::operator() (this=0x8f5a080)
    at libs/sigc++2/sigc++/functors/slot.h:440
#8  0xb7802807 in call_thread_entry_slot (data=0x8f5a080)
    at libs/glibmm2/glibmm/thread.cc:43
#9  0xb787c14f in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#10 0x08f5a080 in ?? ()
#11 0x0906f6c0 in ?? ()
#12 0x00000000 in ?? ()

Thread 7 (Thread 0xb2db4b90 (LWP 4198)):
#0  0xb67d248d in poll () from /lib/libc.so.6
#1  0xb6ec18ca in jack_client_core_wait (client=0x8e63c40) at client.c:1439
#2  0xb6ec1d41 in jack_thread_wait (client=0x8e63c40, status=0)
    at client.c:1611
#3  0xb6ec2988 in jack_client_thread (arg=0x8e63c40) at client.c:1726
#4  0xb6ea6f3b in start_thread () from /lib/libpthread.so.0
#5  0xb67dbb6e in clone () from /lib/libc.so.6

Thread 6 (Thread 0xb3fbfb90 (LWP 4196)):
#0  0xb6eaa8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0xb6ec3274 in mb_thread_func (arg=0x0) at messagebuffer.c:70
#2  0xb6ea6f3b in start_thread () from /lib/libpthread.so.0
#3  0xb67dbb6e in clone () from /lib/libc.so.6

Thread 4 (Thread 0xb4dd9b90 (LWP 4191)):
#0  0xb6eaa8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0xb7801d85 in Glib::Cond::wait (this=0x8bad8e0, mutex=@0xb80bf66c)
    at libs/glibmm2/glibmm/thread.cc:362
#2  0xb7e2973b in ARDOUR::Analyser::work () at libs/ardour/analyser.cc:85
#3  0xb7e298a1 in analyser_work () at libs/ardour/analyser.cc:49
#4  0x087ba401 in sigc::pointer_functor0<void>::operator() (this=0x8bad954)
    at libs/sigc++2/sigc++/functors/ptr_fun.h:77
#5  0x087ba418 in sigc::adaptor_functor<sigc::pointer_functor0<void>
>::operator() (this=0x8bad950) at
#libs/sigc++2/sigc++/adaptors/adaptor_trait.h:251
#6  0x087ba434 in sigc::internal::slot_call0<sigc::pointer_functor0<void>,
#void>
::call_it (rep=0x8bad938) at libs/sigc++2/sigc++/functors/slot.h:103
#7  0x083fcb2a in sigc::slot0<void>::operator() (this=0x8bad928)
    at libs/sigc++2/sigc++/functors/slot.h:440
#8  0xb7802807 in call_thread_entry_slot (data=0x8bad928)
    at libs/glibmm2/glibmm/thread.cc:43
#9  0xb787c14f in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#10 0x08bad928 in ?? ()
#11 0x08bad960 in ?? ()
#12 0x00000000 in ?? ()

Thread 3 (Thread 0xb55d9b90 (LWP 4190)):
#0  0xb6eaa8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0xb7801d85 in Glib::Cond::wait (this=0x8b9b2d0, mutex=@0xb80bfb44)
    at libs/glibmm2/glibmm/thread.cc:362
#2  0xb8021e16 in peak_thread_work () at libs/ardour/source_factory.cc:65
#3  0x087ba401 in sigc::pointer_functor0<void>::operator() (this=0x8ba6f94)
    at libs/sigc++2/sigc++/functors/ptr_fun.h:77
#4  0x087ba418 in sigc::adaptor_functor<sigc::pointer_functor0<void>
>::operator() (this=0x8ba6f90) at
#libs/sigc++2/sigc++/adaptors/adaptor_trait.h:251
#5  0x087ba434 in sigc::internal::slot_call0<sigc::pointer_functor0<void>,
#void>::call_it (rep=0x8ba6f78) at libs/sigc++2/sigc++/functors/slot.h:103
#6  0x083fcb2a in sigc::slot0<void>::operator() (this=0x8ba6f68)
    at libs/sigc++2/sigc++/functors/slot.h:440
#7  0xb7802807 in call_thread_entry_slot (data=0x8ba6f68)
    at libs/glibmm2/glibmm/thread.cc:43
#8  0xb787c14f in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#9  0x08ba6f68 in ?? ()
#10 0x08ba6fa0 in ?? ()
#11 0x00000000 in ?? ()

Thread 2 (Thread 0xb5dd9b90 (LWP 4189)):
#0  0xb6eaa8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0xb7801d85 in Glib::Cond::wait (this=0x8b9b2d0, mutex=@0xb80bfb44)
    at libs/glibmm2/glibmm/thread.cc:362
#2  0xb8021e16 in peak_thread_work () at libs/ardour/source_factory.cc:65
#3  0x087ba401 in sigc::pointer_functor0<void>::operator() (this=0x8ba6cfc)
    at libs/sigc++2/sigc++/functors/ptr_fun.h:77
#4  0x087ba418 in sigc::adaptor_functor<sigc::pointer_functor0<void>
>::operator() (this=0x8ba6cf8) at
#libs/sigc++2/sigc++/adaptors/adaptor_trait.h:251
#5  0x087ba434 in sigc::internal::slot_call0<sigc::pointer_functor0<void>,
#void>::call_it (rep=0x8ba6ce0) at libs/sigc++2/sigc++/functors/slot.h:103
#6  0x083fcb2a in sigc::slot0<void>::operator() (this=0x8ba6cd0)
    at libs/sigc++2/sigc++/functors/slot.h:440
#7  0xb7802807 in call_thread_entry_slot (data=0x8ba6cd0)
    at libs/glibmm2/glibmm/thread.cc:43
#8  0xb787c14f in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#9  0x08ba6cd0 in ?? ()
#10 0x08ba6de0 in ?? ()
#11 0x00015080 in ?? ()
#12 0x00000005 in ?? ()
#13 0xb6718b9c in ?? () from /lib/libc.so.6
#14 0xb6eb5ff4 in ?? () from /lib/libpthread.so.0
#15 0xb6ea8280 in ?? () from /lib/libpthread.so.0
#16 0xb6eb5ff4 in ?? () from /lib/libpthread.so.0
#17 0xb5dd9b90 in ?? ()
#18 0x00000000 in ?? ()

Thread 1 (Thread 0xb5f4f6d0 (LWP 4140)):
#0  0xb673b556 in raise () from /lib/libc.so.6
#1  0xb673cd78 in abort () from /lib/libc.so.6
#2  0xb785c064 in g_logv () from /usr/share/qt4/lib/libglib-2.0.so.0
#3  0xb785c096 in g_log () from /usr/share/qt4/lib/libglib-2.0.so.0
#4  0xb785c110 in g_assert_warning () from
#/usr/share/qt4/lib/libglib-2.0.so.0
#5  0xb6e929d7 in gnome_canvas_update_now ()
   from /usr/share/qt4/lib/libgnomecanvas-2.so.0
#6  0xb6e3876f in Gnome::Canvas::Canvas::update_now (this=0x8ee9a10)
    at libs/libgnomecanvasmm/libgnomecanvasmm/canvas.cc:396
#7  0x085aeb58 in Editor::flush_canvas (this=0x8eafc00)
    at gtk2_ardour/editor_canvas.cc:974
#8  0x084fdb5b in Editor::idle_resize (this=0x8eafc00)
    at gtk2_ardour/editor.cc:4960
#9  0x084fdb83 in _idle_resizer (arg=0x8eafc00) at
gtk2_ardour/editor.cc:4934
#10 0xb7850271 in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#11 0x08eafc00 in ?? ()
#12 0x0927e3f0 in ?? ()
#13 0xbf8db0d8 in ?? ()
#14 0xb78cd3a0 in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#15 0xb6ea9d20 in ?? () from /lib/libpthread.so.0
#16 0xb78cd3a0 in ?? () from /usr/share/qt4/lib/libglib-2.0.so.0
#17 0xbf8db128 in ?? ()
#18 0xb78521b8 in g_main_context_dispatch ()
   from /usr/share/qt4/lib/libglib-2.0.so.0
Backtrace stopped: frame did not save the PC