segfault with 1 session 3.5.380

Segfaults switch between :
[154432.241705] ardour-3.5.380[11277]: segfault at 10 ip 00007fc110ce2c08 sp 00007fff6d3d1db0 error 4 in libsigc-2.0.so.0[7fc110ce0000+5000]
[154449.420549] ardour-3.5.380[11477]: segfault at 0 ip 0000000000e1d33b sp 00007fff1ce9e6d0 error 4 in ardour-3.5.380[400000+170d000]
[154559.114700] ardour-3.5.380[12105]: segfault at 10 ip 00007f67615c2c08 sp 00007fffd58dccb0 error 4 in libsigc-2.0.so.0[7f67615c0000+5000]
[154949.335839] ardour-3.5.380[15171]: segfault at 0 ip 0000000000e1d33b sp 00007fff8f2517d0 error 4 in ardour-3.5.380[400000+170d000]
[166661.518151] ardour-3.5.380[2575]: segfault at 0 ip 0000000000e1d33b sp 00007fff16777240 error 4 in ardour-3.5.380[400000+170d000]

Running with ardour3 -d --debug :

error: failed to expand CURIE `pprops:hasStrictBounds’
error: attempt to add quad with NULL field

(ardour-3.5.380:11164): GLib-GObject-WARNING **: Attempt to add property gtkmm__CustomObject_N9Gtkmm2ext23CellRendererPixbufMultiE::active after class was initialised
[New Thread 0x7fffd00bf700 (LWP 11324)]
[New Thread 0x7fffc4187700 (LWP 11325)]
[New Thread 0x7fffc4106700 (LWP 11326)]
[New Thread 0x7fffc4085700 (LWP 11327)]
[New Thread 0x7fff96a42700 (LWP 11328)]
[New Thread 0x7fff969c1700 (LWP 11329)]
[New Thread 0x7fff96940700 (LWP 11330)]
[New Thread 0x7fff968be800 (LWP 11331)]
[New Thread 0x7fffc77fe700 (LWP 11332)]
[Thread 0x7fffd0cb7700 (LWP 11216) exited]
[New Thread 0x7fffd0cb7700 (LWP 11345)]
[New Thread 0x7fff96640700 (LWP 11354)]
[New Thread 0x7fff95e3f700 (LWP 11355)]

Program received signal SIGSEGV, Segmentation fault.
0x0000000000e1d33b in gnome_canvas_waveview_flat_render (item=0x1389a9d0, buf=0x7fffffffafd0) at …/gtk2_ardour/canvas-waveview.c:1799
1799 …/gtk2_ardour/canvas-waveview.c: No such file or directory.

Another email suggested editing instant.xml -> zoom=“512” which didn’t alter behaviour.
Region-length was also mentioned but grep can’t find that in the session directory. What value that should be?

Linux debian 3.14.4preempt SMP. (Standard debian kernel rebuilt with preemption=full)

Thanks

Rob

1799 ../gtk2_ardour/canvas-waveview.c: No such file or directory.

This only happens with one session? Does the above file exist? How did you get the A3 binary you are running?

      Seablade

And of course what version of A3 are you running?

Seablade

Version 3.5.380 (as in subject).
Happens only one session, others not affected.
A3 obtained from ardour.org
Cannot find file on system, googling canvas-waveview.c seems to point back to old versions of Ardour.

Thanks

Rob

Ok then the problem is unrelated to that error, which should really only be an issue on debug sessions, but that is a different topic/issue. Can you get a backtrace of the crash?

 Seablade

(gdb) backtrace
#0 0x0000000000e1d33b in gnome_canvas_waveview_flat_render (item=0x138bbb00,
buf=0x7fffffffafd0) at …/gtk2_ardour/canvas-waveview.c:1799
#1 0x0000000000e223b4 in gnome_canvas_waveview_render (item=0x138bbb00,
buf=0x7fffffffafd0) at …/gtk2_ardour/canvas-waveview.c:2192
#2 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#3 0x00007fffefd2f01d in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#4 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#5 0x00007fffefd2f01d in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#6 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#7 0x00007fffefd2f01d in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#8 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#9 0x00007fffefd2f01d in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#10 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#11 0x00007fffefd2f01d in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#12 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#13 0x00007fffefd2f01d in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#14 0x00007fffefd34411 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#15 0x00007ffff3017718 in _gtk_marshal_BOOLEAN__BOXED ()
from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#16 0x00007ffff3ebcac3 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#17 0x00007ffff3ebc3da in g_closure_invoke ()
from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#18 0x00007ffff3ed98d9 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#19 0x00007ffff3ed8a67 in g_signal_emit_valist ()
from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#20 0x00007ffff3ed8f28 in g_signal_emit ()
from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#21 0x00007ffff316e4af in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#22 0x00007ffff3011711 in gtk_main_do_event ()
from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#23 0x00007ffff2c2ae02 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#24 0x00007ffff2c2adaf in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#25 0x00007ffff2c2adaf in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#26 0x00007ffff2c2adaf in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#27 0x00007ffff2c23bd4 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#28 0x00007ffff2c23f39 in gdk_window_process_all_updates ()
from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#29 0x00007ffff2c23fa9 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#30 0x00007ffff2bf1446 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#31 0x00007ffff39aac92 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#32 0x00007ffff39a844f in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#33 0x00007ffff39a91a5 in g_main_context_dispatch ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#34 0x00007ffff39a939c in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#35 0x00007ffff39a9468 in g_main_context_iteration ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#36 0x00007ffff30103b1 in gtk_main_iteration ()
from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#37 0x0000000000edcb86 in Editor::set_horizontal_position (this=0x50e53b0,
p=3421) at …/gtk2_ardour/editor_canvas.cc:843
#38 0x0000000000e65a14 in Editor::idle_visual_changer (this=0x50e53b0)
at …/gtk2_ardour/editor.cc:4317
#39 0x0000000000e65868 in Editor::_idle_visual_changer (arg=0x50e53b0)
at …/gtk2_ardour/editor.cc:4273
#40 0x00007ffff39aac92 in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#41 0x00007ffff39a844f in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#42 0x00007ffff39a91a5 in g_main_context_dispatch ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#43 0x00007ffff39a939c in ?? ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#44 0x00007ffff39a9468 in g_main_context_iteration ()
from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#45 0x00007ffff30103b1 in gtk_main_iteration ()
from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#46 0x00007ffff60e943c in Gtkmm2ext::UI::flush_pending (this=0x21f9b60)
at …/libs/gtkmm2ext/gtk_ui.cc:689
#47 0x0000000000cff2a7 in ARDOUR_UI::load_session (this=0x21f9b60,
path="/stuff/Ardour-sess/creep", snap_name=“creep”, mix_template="")
at …/gtk2_ardour/ardour_ui.cc:2910
#48 0x0000000000cfe2ae in ARDOUR_UI::get_session_parameters (this=0x21f9b60,
quit_on_cancel=false, should_be_new=false, load_template="")
at …/gtk2_ardour/ardour_ui.cc:2747
#49 0x0000000000cf3bd9 in ARDOUR_UI::starting (this=0x21f9b60)
at …/gtk2_ardour/ardour_ui.cc:828
#50 0x00007ffff60e7599 in Gtkmm2ext::UI::run (this=0x21f9b60, old_receiver=…)
at …/libs/gtkmm2ext/gtk_ui.cc:268
#51 0x0000000001119e95 in main (argc=1, argv=0x7fffffffddb8)
at …/gtk2_ardour/main.cc:519

Thanks

Rob

See option one here…
https://ardour.org/debugging_ardour.html

Need the full backtrace including all threads, and info on which thread crashed. The above will get it, sorry about not being clear about that.

   Seablade

(gdb) run
Starting program: /opt/Ardour-3.5.380-dbg/bin/ardour-3.5.380
[Thread debugging using libthread_db enabled]
Using host libthread_db library “/lib/x86_64-linux-gnu/libthread_db.so.1”.
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_flanger#_flanger
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_flanger.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_flanger.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxtubevibrato#tubevibrato
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxtubevibrato.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxtubevibrato.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_delay_stereo#_delay_stereo
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_delay.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_delay.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_mbecho_#_mbecho_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_mbecho.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_mbecho.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_mbdistortion_#_mbdistortion_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_mbdistortion.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_mbdistortion.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxts9#ts9sim
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxts9.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxts9.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_chorus_stereo#_chorus_stereo
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_chorus.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_chorus.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxtilttone#tilttone
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxtilttone.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxtilttone.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_amp_stereo#GUITARIX_ST
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_amp_stereo.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_amp_stereo.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_zita_rev1_stereo#_zita_rev1_stereo
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_zita_rev1.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_zita_rev1.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxmetal_head#metal_head
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxmetal_head.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxmetal_head.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_studiopre_st#studiopre_st
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_studiopre_st.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_studiopre_st.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_duck_delay_st_#_duck_delay_st_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_duck_delay_st.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_duck_delay_st.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxautowah#autowah
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxautowah.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxautowah.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxautowah#wah
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxautowah.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxautowah.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_studiopre#studiopre
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_studiopre.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_studiopre.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_fuzz_#fuzz_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_fuzz.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_fuzz.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_expander#_expander
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_expander.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_expander.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxtubetremelo#tubetremelo
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxtubetremelo.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxtubetremelo.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxbooster#booster
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxbooster.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxbooster.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_compressor#_compressor
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_compressor.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_compressor.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_reverb_stereo#_reverb_stereo
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_reverb.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_reverb.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_amp#GUITARIX
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_amp.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_amp.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_redeye#bigchump
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_redeye.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_redeye.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_redeye#chump
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_redeye.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_redeye.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_redeye#vibrochump
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_redeye.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_redeye.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxtubedelay#tubedelay
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxtubedelay.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxtubedelay.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxechocat#echocat
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxechocat.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxechocat.lv2/
Error opening file /usr/lib/lv2/carla-native.lv2/manifest.ttl (No such file or directory)
lilv_world_load_bundle(): error: Error reading file:///usr/lib/lv2/carla-native.lv2/manifest.ttl
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_mbcompressor_#_mbcompressor_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_mbcompressor.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_mbcompressor.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_duck_delay_#_duck_delay_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_duck_delay.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_duck_delay.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxtuner#tuner
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxtuner.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxtuner.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_phaser#_phaser
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_phaser.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_phaser.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_tremolo#_tremolo
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_tremolo.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_tremolo.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_echo_stereo#_echo_stereo
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_echo.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_echo.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_barkgraphiceq_#_barkgraphiceq_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_barkgraphiceq.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_barkgraphiceq.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gxmetal_amp#metal_amp
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gxmetal_amp.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gxmetal_amp.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_graphiceq_#_graphiceq_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_graphiceq.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_graphiceq.lv2/
lilv_world_add_plugin(): error: Duplicate plugin http://guitarix.sourceforge.net/plugins/gx_mbdelay_#_mbdelay_
lilv_world_add_plugin(): error: … found in file:///usr/local/lib/lv2/gx_mbdelay.lv2/
lilv_world_add_plugin(): error: … and file:///usr/lib/lv2/gx_mbdelay.lv2/
bnd txt domain [gtk2_ardour3] to /opt/Ardour-3.5.380-dbg/share/locale
Ardour3.5.380 (built using 3.5-380-g2f6065b and GCC version 4.4.6)
ardour: [INFO]: Your system is configured to limit Ardour to only 500000 open files
[New Thread 0x7fffe92dd700 (LWP 32086)]
ardour: [INFO]: Loading system configuration file /opt/Ardour-3.5.380-dbg/etc/ardour_system.rc
Loading user configuration file /home/rob/.config/ardour3/ardour.rc
Using SSE optimized routines
[New Thread 0x7fffe8adc700 (LWP 32087)]
[New Thread 0x7fffe3fff700 (LWP 32088)]
[New Thread 0x7fffe37fe700 (LWP 32089)]
Cannot xinstall SIGPIPE error handler
ardour: [INFO]: Loading default ui configuration file /opt/Ardour-3.5.380-dbg/etc/ardour3_ui_default.conf
Loading user ui configuration file /home/rob/.config/ardour3/ardour3_ui.conf
(ardour-3.5.380:32066): GLib-GObject-WARNING **: Attempt to add property gtkmm__CustomObject_N9Gtkmm2ext25CellRendererColorSelectorE::color after class was initialised
ardour: [INFO]: Loading ui configuration file /opt/Ardour-3.5.380-dbg/etc/ardour3_ui_dark.rc
[New Thread 0x7ffff7e9b800 (LWP 32099)]
[New Thread 0x7fffe16ed700 (LWP 32100)]
[New Thread 0x7fffe166c700 (LWP 32101)]
[Thread 0x7fffe166c700 (LWP 32101) exited]
[Thread 0x7fffe16ed700 (LWP 32100) exited]
[New Thread 0x7fffe15eb700 (LWP 32102)]
[New Thread 0x7fffd0cb7700 (LWP 32103)]
[New Thread 0x7fffc7fff700 (LWP 32104)]
[New Thread 0x7fffc77fe700 (LWP 32105)]
[New Thread 0x7fffc6ffd700 (LWP 32106)]
Found 0 along /home/rob/.config/ardour3/templates:/opt/Ardour-3.5.380-dbg/share/templates
run dialog
Announcement is:
[Thread 0x7ffff7e9b800 (LWP 32099) exited]
[Thread 0x7fffd0cb7700 (LWP 32103) exited]
[Thread 0x7fffc77fe700 (LWP 32105) exited]
[Thread 0x7fffc6ffd700 (LWP 32106) exited]
[New Thread 0x7fffe16ed700 (LWP 32178)]
[New Thread 0x7fffe166c700 (LWP 32179)]
[New Thread 0x7fffd03f6700 (LWP 32180)]
[New Thread 0x7fffc6ffd700 (LWP 32181)]
VST_PATH not set, defaulting to /home/rob/vst:/usr/local/lib/vst:/usr/lib/vst
RemoteVSTClient: all cache files are up-to-date, not running scanner
Scanning folders for bundled LV2s: /opt/Ardour-3.5.380-dbg/lib/LV2
error: failed to expand CURIE param:OscillatorControls' error: attempt to add quad with NULL field error: failed to expand CURIEparam:OscillatorControls’
error: attempt to add quad with NULL field
error: failed to expand CURIE param:OscillatorControls' error: attempt to add quad with NULL field error: failed to expand CURIEparam:OscillatorControls’
error: attempt to add quad with NULL field
error: failed to expand CURIE param:OscillatorControls' error: attempt to add quad with NULL field error: failed to expand CURIEparam:OscillatorControls’
error: attempt to add quad with NULL field
error: failed to expand CURIE param:OscillatorControls' error: attempt to add quad with NULL field error: failed to expand CURIEparam:OscillatorControls’
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 CURIEpprops:hasStrictBounds’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:unit' error: failed to expand CURIEunits:db’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:conversion' error: attempt to add quad with NULL field error: failed to expand CURIEunits:to’
error: failed to expand CURIE units:s' error: attempt to add quad with NULL field error: failed to expand CURIEunits:factor’
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 CURIEunits:unit’
error: failed to expand CURIE units:ms' error: attempt to add quad with NULL field error: failed to expand CURIEunits:conversion’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:to' error: failed to expand CURIEunits:s’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:factor' error: attempt to add quad with NULL field error: failed to expand CURIEpprops:hasStrictBounds’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:unit' error: failed to expand CURIEunits:db’
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 CURIEunits:unit’
error: failed to expand CURIE units:ms' error: attempt to add quad with NULL field error: failed to expand CURIEunits:conversion’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:to' error: failed to expand CURIEunits:s’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:factor' error: attempt to add quad with NULL field error: failed to expand CURIEpprops:hasStrictBounds’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:unit' error: failed to expand CURIEunits:db’
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 CURIEpprops: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 CURIEunits:unit’
error: failed to expand CURIE units:db' error: attempt to add quad with NULL field error: failed to expand CURIEpprops:hasStrictBounds’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:unit' error: failed to expand CURIEunits:db’
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 CURIEpprops:hasStrictBounds’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:unit' error: failed to expand CURIEunits:db’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:conversion' error: attempt to add quad with NULL field error: failed to expand CURIEunits:to’
error: failed to expand CURIE units:s' error: attempt to add quad with NULL field error: failed to expand CURIEunits:factor’
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 CURIEunits:unit’
error: failed to expand CURIE units:ms' error: attempt to add quad with NULL field error: failed to expand CURIEunits:conversion’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:to' error: failed to expand CURIEunits:s’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:factor' error: attempt to add quad with NULL field error: failed to expand CURIEpprops:hasStrictBounds’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:unit' error: failed to expand CURIEunits:ms’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:conversion' error: attempt to add quad with NULL field error: failed to expand CURIEunits:to’
error: failed to expand CURIE units:s' error: attempt to add quad with NULL field error: failed to expand CURIEunits:factor’
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 CURIEunits:unit’
error: failed to expand CURIE units:ms' error: attempt to add quad with NULL field error: failed to expand CURIEunits:conversion’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:to' error: failed to expand CURIEunits:s’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:factor' error: attempt to add quad with NULL field error: failed to expand CURIEpprops:hasStrictBounds’
error: attempt to add quad with NULL field
error: failed to expand CURIE units:unit' error: failed to expand CURIEunits:db’
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 CURIEpprops: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 CURIEunits:unit’
error: failed to expand CURIE units:db' error: attempt to add quad with NULL field error: failed to expand CURIEpprops: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 CURIEpprops:hasStrictBounds’
error: attempt to add quad with NULL field
error: failed to expand CURIE `pprops:hasStrictBounds’
error: attempt to add quad with NULL field
[New Thread 0x7fffc77fe700 (LWP 32210)]
[Thread 0x7fffc77fe700 (LWP 32210) exited]
[New Thread 0x7fffc77fe700 (LWP 32211)]
[Thread 0x7fffc77fe700 (LWP 32211) exited]
[New Thread 0x7fffc77fe700 (LWP 32212)]
[Thread 0x7fffc77fe700 (LWP 32212) exited]
(ardour-3.5.380:32066): GLib-GObject-WARNING **: Attempt to add property gtkmm__CustomObject_N9Gtkmm2ext23CellRendererPixbufMultiE::active after class was initialised
[New Thread 0x7fffd00bf700 (LWP 32225)]
[New Thread 0x7fffc4193700 (LWP 32226)]
[New Thread 0x7fffc4112700 (LWP 32227)]
[New Thread 0x7fffc4091700 (LWP 32228)]
[New Thread 0x7fff96235700 (LWP 32229)]
[New Thread 0x7fff961b4700 (LWP 32230)]
[New Thread 0x7fff96133700 (LWP 32231)]
[New Thread 0x7fff960b1800 (LWP 32232)]
[New Thread 0x7fffc77fe700 (LWP 32233)]
[Thread 0x7fffc7fff700 (LWP 32104) exited]
[New Thread 0x7fffc7fff700 (LWP 32242)]
[New Thread 0x7fffd0cb7700 (LWP 32243)]
[New Thread 0x7fff95e33700 (LWP 32244)]
[Thread 0x7fffd0cb7700 (LWP 32243) exited]
Program received signal SIGSEGV, Segmentation fault.
0x0000000000e1d33b in gnome_canvas_waveview_flat_render (item=0x13920bc0, buf=0x7fffffffafd0) at …/gtk2_ardour/canvas-waveview.c:1799
1799 …/gtk2_ardour/canvas-waveview.c: No such file or directory.
(gdb) thread apply all bt
Thread 32 (Thread 0x7fff95e33700 (LWP 32244)):
#0 pthread_cond_timedwait@@GLIBC_2.3.2 () at …/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1 0x00007ffff39fb4e9 in g_cond_wait_until () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff397444d in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff3974684 in g_async_queue_timeout_pop () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#4 0x00007ffff39d6df4 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#5 0x00007ffff39d70b8 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#6 0x00007ffff39d69e3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#7 0x00007fffef0d10a4 in start_thread (arg=0x7fff95e33700) at pthread_create.c:309
#8 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 30 (Thread 0x7fffc7fff700 (LWP 32242)):
#0 0x00007fffecaaf83d in nanosleep () at …/sysdeps/unix/syscall-template.S:81
#1 0x00007fffecad7944 in usleep (useconds=) at …/sysdeps/unix/sysv/linux/usleep.c:32
#2 0x00007ffff72c391d in ARDOUR::AutomationWatch::thread (this=0x13142b90) at …/libs/ardour/automation_watch.cc:137
#3 0x00007ffff72c701f in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x13142830, p=0x13142b90) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#4 0x00007ffff72c6c62 in boost::_bi::list1<boost::_bi::valueARDOUR::AutomationWatch* >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x13142840, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#5 0x00007ffff72c685d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::valueARDOUR::AutomationWatch* > >::operator() (this=0x13142830)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#6 0x00007ffff72c67e8 in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::valueARDOUR::AutomationWatch* > > >::operator()
(this=0x13142830) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/adaptors/adaptor_trait.h:251
#7 0x00007ffff72c63e8 in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::valueARDOUR::AutomationWatch* > >, void>::call_it (rep=0x13142800) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/functors/slot.h:103
#8 0x00007ffff4146542 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglibmm-2.4.so.1
#9 0x00007ffff39d69e3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#10 0x00007fffef0d10a4 in start_thread (arg=0x7fffc7fff700) at pthread_create.c:309
#11 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 29 (Thread 0x7fffc77fe700 (LWP 32233)):
#0 0x00007fffecad547d in poll () at …/sysdeps/unix/syscall-template.S:81
#1 0x00007ffff39ba96f in g_poll () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff39a99f1 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff39a936f in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#4 0x00007ffff39a97d2 in g_main_loop_run () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#5 0x00007ffff5d0b6af in BaseUI::main_thread (this=0x6d44a50) at …/libs/pbd/base_ui.cc:80
#6 0x00007ffff5d0efbf in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x6d450c8) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/functors/mem_fun.h:1787
#7 0x00007ffff5d0ecec in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x6d450c0) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/adaptors/adaptor_trait.h:251
#8 0x00007ffff5d0e6a3 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x6d45090) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/functors/slot.h:103
#9 0x00007ffff4146542 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglibmm-2.4.so.1
#10 0x00007ffff39d69e3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#11 0x00007fffef0d10a4 in start_thread (arg=0x7fffc77fe700) at pthread_create.c:309
#12 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 28 (Thread 0x7fff960b1800 (LWP 32232)):
#0 0x00007fffecad547d in poll () at …/sysdeps/unix/syscall-template.S:81
#1 0x00007ffff72d7a88 in ARDOUR::Butler::thread_work (this=0x2789610) at …/libs/ardour/butler.cc:150
#2 0x00007ffff72d7a0d in ARDOUR::Butler::_thread_work (arg=0x2789610) at …/libs/ardour/butler.cc:134
#3 0x00007ffff5d36106 in fake_thread_start (arg=0x6d448a0) at …/libs/pbd/pthread_utils.cc:85
#4 0x00007fffef0d10a4 in start_thread (arg=0x7fff960b1800) at pthread_create.c:309
#5 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 27 (Thread 0x7fff96133700 (LWP 32231)):
#0 sem_wait () at …/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1 0x00007ffff73b3ef4 in PBD::ProcessSemaphore::wait (this=0x5c16400) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2 0x00007ffff73b2366 in ARDOUR::Graph::run_one (this=0x5c16350) at …/libs/ardour/graph.cc:371
#3 0x00007ffff73b268e in ARDOUR::Graph::helper_thread (this=0x5c16350) at …/libs/ardour/graph.cc:402
#4 0x00007ffff73b7299 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff96132d18, p=0x5c16350) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5 0x00007ffff73b6ee6 in boost::_bi::list1<boost::_bi::valueARDOUR::Graph* >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff96132d28, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6 0x00007ffff73b6c2b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >::operator() (this=0x7fff96132d18)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7 0x00007ffff73b6849 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >, void>::invoke (function_obj_ptr=…) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8 0x0000000000cddc63 in boost::function0::operator() (this=0x7fff96132d10) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9 0x00007fffe27460a9 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x5bcfef0) at …/libs/backends/jack/jack_audiobackend.cc:913
#10 0x00007fffef0d10a4 in start_thread (arg=0x7fff96133700) at pthread_create.c:309
#11 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 26 (Thread 0x7fff961b4700 (LWP 32230)):
#0 sem_wait () at …/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1 0x00007ffff73b3ef4 in PBD::ProcessSemaphore::wait (this=0x5c16400) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2 0x00007ffff73b2366 in ARDOUR::Graph::run_one (this=0x5c16350) at …/libs/ardour/graph.cc:371
#3 0x00007ffff73b268e in ARDOUR::Graph::helper_thread (this=0x5c16350) at …/libs/ardour/graph.cc:402
#4 0x00007ffff73b7299 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff961b3d18, p=0x5c16350) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5 0x00007ffff73b6ee6 in boost::_bi::list1<boost::_bi::valueARDOUR::Graph* >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff961b3d28, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6 0x00007ffff73b6c2b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >::operator() (this=0x7fff961b3d18)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7 0x00007ffff73b6849 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >, void>::invoke (function_obj_ptr=…) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8 0x0000000000cddc63 in boost::function0::operator() (this=0x7fff961b3d10) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9 0x00007fffe27460a9 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2ac2260) at …/libs/backends/jack/jack_audiobackend.cc:913
#10 0x00007fffef0d10a4 in start_thread (arg=0x7fff961b4700) at pthread_create.c:309
#11 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
—Type to continue, or q to quit—
Thread 25 (Thread 0x7fff96235700 (LWP 32229)):
#0 sem_wait () at …/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1 0x00007ffff73b3ef4 in PBD::ProcessSemaphore::wait (this=0x5c16420) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2 0x00007ffff73b17cb in ARDOUR::Graph::restart_cycle (this=0x5c16350) at …/libs/ardour/graph.cc:245
#3 0x00007ffff73b1795 in ARDOUR::Graph::dec_ref (this=0x5c16350) at …/libs/ardour/graph.cc:232
#4 0x00007ffff73b7e18 in ARDOUR::GraphNode::finish (this=0x70ecb48, chain=1) at …/libs/ardour/graphnode.cc:71
#5 0x00007ffff73b2526 in ARDOUR::Graph::run_one (this=0x5c16350) at …/libs/ardour/graph.cc:385
#6 0x00007ffff73b268e in ARDOUR::Graph::helper_thread (this=0x5c16350) at …/libs/ardour/graph.cc:402
#7 0x00007ffff73b7299 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff96234d18, p=0x5c16350) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#8 0x00007ffff73b6ee6 in boost::_bi::list1<boost::_bi::valueARDOUR::Graph* >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff96234d28, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#9 0x00007ffff73b6c2b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >::operator() (this=0x7fff96234d18)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff73b6849 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >, void>::invoke (function_obj_ptr=…) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#11 0x0000000000cddc63 in boost::function0::operator() (this=0x7fff96234d10) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#12 0x00007fffe27460a9 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x5bcfef0) at …/libs/backends/jack/jack_audiobackend.cc:913
#13 0x00007fffef0d10a4 in start_thread (arg=0x7fff96235700) at pthread_create.c:309
#14 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 24 (Thread 0x7fffc4091700 (LWP 32228)):
#0 sem_wait () at …/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1 0x00007ffff73b3ef4 in PBD::ProcessSemaphore::wait (this=0x5c16400) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2 0x00007ffff73b2366 in ARDOUR::Graph::run_one (this=0x5c16350) at …/libs/ardour/graph.cc:371
#3 0x00007ffff73b268e in ARDOUR::Graph::helper_thread (this=0x5c16350) at …/libs/ardour/graph.cc:402
#4 0x00007ffff73b7299 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffc4090d18, p=0x5c16350) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5 0x00007ffff73b6ee6 in boost::_bi::list1<boost::_bi::valueARDOUR::Graph* >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffc4090d28, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6 0x00007ffff73b6c2b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >::operator() (this=0x7fffc4090d18)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7 0x00007ffff73b6849 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >, void>::invoke (function_obj_ptr=…) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8 0x0000000000cddc63 in boost::function0::operator() (this=0x7fffc4090d10) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9 0x00007fffe27460a9 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2ac2260) at …/libs/backends/jack/jack_audiobackend.cc:913
#10 0x00007fffef0d10a4 in start_thread (arg=0x7fffc4091700) at pthread_create.c:309
#11 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 23 (Thread 0x7fffc4112700 (LWP 32227)):
#0 sem_wait () at …/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1 0x00007ffff73b3ef4 in PBD::ProcessSemaphore::wait (this=0x5c16400) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2 0x00007ffff73b2366 in ARDOUR::Graph::run_one (this=0x5c16350) at …/libs/ardour/graph.cc:371
#3 0x00007ffff73b268e in ARDOUR::Graph::helper_thread (this=0x5c16350) at …/libs/ardour/graph.cc:402
#4 0x00007ffff73b7299 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffc4111d18, p=0x5c16350) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5 0x00007ffff73b6ee6 in boost::_bi::list1<boost::_bi::valueARDOUR::Graph* >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffc4111d28, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6 0x00007ffff73b6c2b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >::operator() (this=0x7fffc4111d18)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7 0x00007ffff73b6849 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >, void>::invoke (function_obj_ptr=…) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8 0x0000000000cddc63 in boost::function0::operator() (this=0x7fffc4111d10) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9 0x00007fffe27460a9 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x5bcfef0) at …/libs/backends/jack/jack_audiobackend.cc:913
#10 0x00007fffef0d10a4 in start_thread (arg=0x7fffc4112700) at pthread_create.c:309
#11 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 22 (Thread 0x7fffc4193700 (LWP 32226)):
#0 sem_wait () at …/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1 0x00007ffff73b3ef4 in PBD::ProcessSemaphore::wait (this=0x5c16400) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2 0x00007ffff73b2366 in ARDOUR::Graph::run_one (this=0x5c16350) at …/libs/ardour/graph.cc:371
#3 0x00007ffff73b268e in ARDOUR::Graph::helper_thread (this=0x5c16350) at …/libs/ardour/graph.cc:402
#4 0x00007ffff73b7299 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffc4192d18, p=0x5c16350) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5 0x00007ffff73b6ee6 in boost::_bi::list1<boost::_bi::valueARDOUR::Graph* >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffc4192d28, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6 0x00007ffff73b6c2b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >::operator() (this=0x7fffc4192d18)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7 0x00007ffff73b6849 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >, void>::invoke (function_obj_ptr=…) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8 0x0000000000cddc63 in boost::function0::operator() (this=0x7fffc4192d10) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9 0x00007fffe27460a9 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2ac2260) at …/libs/backends/jack/jack_audiobackend.cc:913
#10 0x00007fffef0d10a4 in start_thread (arg=0x7fffc4193700) at pthread_create.c:309
#11 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 21 (Thread 0x7fffd00bf700 (LWP 32225)):
#0 sem_wait () at …/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1 0x00007ffff73b3ef4 in PBD::ProcessSemaphore::wait (this=0x5c16400) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2 0x00007ffff73b2366 in ARDOUR::Graph::run_one (this=0x5c16350) at …/libs/ardour/graph.cc:371
#3 0x00007ffff73b2986 in ARDOUR::Graph::main_thread (this=0x5c16350) at …/libs/ardour/graph.cc:440
#4 0x00007ffff73b7299 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffd00bed18, p=0x5c16350) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5 0x00007ffff73b6ee6 in boost::_bi::list1<boost::_bi::valueARDOUR::Graph* >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffd00bed28, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6 0x00007ffff73b6c2b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >::operator() (this=0x7fffd00bed18)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7 0x00007ffff73b6849 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::valueARDOUR::Graph* > >, void>::invoke (function_obj_ptr=…) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8 0x0000000000cddc63 in boost::function0::operator() (this=0x7fffd00bed10) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9 0x00007fffe27460a9 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2ac2260) at …/libs/backends/jack/jack_audiobackend.cc:913
—Type to continue, or q to quit—
#10 0x00007fffef0d10a4 in start_thread (arg=0x7fffd00bf700) at pthread_create.c:309
#11 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 17 (Thread 0x7fffc6ffd700 (LWP 32181)):
#0 0x00007fffef0d818d in nanosleep () at …/sysdeps/unix/syscall-template.S:81
#1 0x00007ffff39d80b8 in g_usleep () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff726fdbc in ARDOUR::AudioEngine::meter_thread (this=0x20d6a90) at …/libs/ardour/audioengine.cc:382
#3 0x00007ffff727bf2b in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x2ac1460, p=0x20d6a90) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#4 0x00007ffff727bafa in boost::_bi::list1<boost::_bi::valueARDOUR::AudioEngine* >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x2ac1470, f=…, a=…)
at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#5 0x00007ffff727b3d3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::valueARDOUR::AudioEngine* > >::operator() (this=0x2ac1460)
at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#6 0x00007ffff727abac in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::valueARDOUR::AudioEngine* > > >::operator() (
this=0x2ac1460) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/adaptors/adaptor_trait.h:251
#7 0x00007ffff7279ce6 in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::valueARDOUR::AudioEngine* > >, void>::call_it
(rep=0x2ac1430) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/functors/slot.h:103
#8 0x00007ffff4146542 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglibmm-2.4.so.1
#9 0x00007ffff39d69e3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#10 0x00007fffef0d10a4 in start_thread (arg=0x7fffc6ffd700) at pthread_create.c:309
#11 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 16 (Thread 0x7fffd03f6700 (LWP 32180)):
#0 sem_timedwait () at …/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:101
#1 0x00007fffe24df0ee in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2 0x00007fffe24c33cd in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3 0x00007fffe24c7d3a in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4 0x00007fffe24c1b22 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5 0x00007fffe24c19e6 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#6 0x00007fffe24bf752 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#7 0x00007fffe24bb227 in jack_cycle_wait () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#8 0x00007fffe274614e in ARDOUR::JACKAudioBackend::process_thread (this=0x262db50) at …/libs/backends/jack/jack_audiobackend.cc:935
#9 0x00007fffe27460fe in ARDOUR::JACKAudioBackend::_process_thread (arg=0x262db50) at …/libs/backends/jack/jack_audiobackend.cc:921
#10 0x00007fffe24bf71f in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007fffe24de316 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#12 0x00007fffef0d10a4 in start_thread (arg=0x7fffd03f6700) at pthread_create.c:309
#13 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 15 (Thread 0x7fffe166c700 (LWP 32179)):
#0 0x00007fffef0d7add in read () at …/sysdeps/unix/syscall-template.S:81
#1 0x00007fffe24e0648 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2 0x00007fffe24e3925 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3 0x00007fffe24e365a in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4 0x00007fffe24de316 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5 0x00007fffef0d10a4 in start_thread (arg=0x7fffe166c700) at pthread_create.c:309
#6 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 14 (Thread 0x7fffe16ed700 (LWP 32178)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at …/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fffe24df768 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2 0x00007fffe24d864f in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3 0x00007fffe24de316 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4 0x00007fffef0d10a4 in start_thread (arg=0x7fffe16ed700) at pthread_create.c:309
#5 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 9 (Thread 0x7fffe15eb700 (LWP 32102)):
#0 0x00007fffecad547d in poll () at …/sysdeps/unix/syscall-template.S:81
#1 0x00007ffff39ba96f in g_poll () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff39a99f1 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff39a936f in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#4 0x00007ffff39a9468 in g_main_context_iteration () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#5 0x00007ffff39aaf6f in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#6 0x00007ffff39d69e3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#7 0x00007fffef0d10a4 in start_thread (arg=0x7fffe15eb700) at pthread_create.c:309
#8 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 5 (Thread 0x7fffe37fe700 (LWP 32089)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at …/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ffff39fb39d in g_cond_wait () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0#2 0x00007ffff721e23b in ARDOUR::Analyser::work () at …/libs/ardour/analyser.cc:81
#3 0x00007ffff721dfd1 in analyser_work () at …/libs/ardour/analyser.cc:46
#4 0x0000000001330fd7 in sigc::pointer_functor0::operator()() const ()
#5 0x000000000132e4ea in sigc::adaptor_functor<sigc::pointer_functor0 >::operator()() const ()
#6 0x000000000132ab8d in sigc::internal::slot_call0<sigc::pointer_functor0, void>::call_it (rep=0x2160dd0) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/functors/slot.h:103
#7 0x00007ffff4146542 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglibmm-2.4.so.1
#8 0x00007ffff39d69e3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#9 0x00007fffef0d10a4 in start_thread (arg=0x7fffe37fe700) at pthread_create.c:309
#10 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 4 (Thread 0x7fffe3fff700 (LWP 32088)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at …/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ffff39fb39d in g_cond_wait () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0#2 0x00007ffff76a8495 in peak_thread_work () at …/libs/ardour/source_factory.cc:68
#3 0x0000000001330fd7 in sigc::pointer_functor0::operator()() const ()
#4 0x000000000132e4ea in sigc::adaptor_functor<sigc::pointer_functor0 >::operator()() const ()
#5 0x000000000132ab8d in sigc::internal::slot_call0<sigc::pointer_functor0, void>::call_it (rep=0x2129120) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/functors/slot.h:103
#6 0x00007ffff4146542 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglibmm-2.4.so.1
—Type to continue, or q to quit—
#7 0x00007ffff39d69e3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#8 0x00007fffef0d10a4 in start_thread (arg=0x7fffe3fff700) at pthread_create.c:309
#9 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fffe8adc700 (LWP 32087)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at …/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ffff39fb39d in g_cond_wait () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff76a8495 in peak_thread_work () at …/libs/ardour/source_factory.cc:68
#3 0x0000000001330fd7 in sigc::pointer_functor0::operator()() const ()
#4 0x000000000132e4ea in sigc::adaptor_functor<sigc::pointer_functor0 >::operator()() const ()
#5 0x000000000132ab8d in sigc::internal::slot_call0<sigc::pointer_functor0, void>::call_it (rep=0x2161380) at /home/harrison/a3/inst/include/sigc+±2.0/sigc++/functors/slot.h:103
#6 0x00007ffff4146542 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglibmm-2.4.so.1
#7 0x00007ffff39d69e3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#8 0x00007fffef0d10a4 in start_thread (arg=0x7fffe8adc700) at pthread_create.c:309
#9 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fffe92dd700 (LWP 32086)):
#0 0x00007fffecaaf83d in nanosleep () at …/sysdeps/unix/syscall-template.S:81
#1 0x00007fffecad7944 in usleep (useconds=) at …/sysdeps/unix/sysv/linux/usleep.c:32
#2 0x000000000165cef6 in gui_event_loop (ptr=0x0) at …/gtk2_ardour/linux_vst_gui_support.cc:380
#3 0x00007fffef0d10a4 in start_thread (arg=0x7fffe92dd700) at pthread_create.c:309
#4 0x00007fffecaddfbd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ffff7f9a900 (LWP 32066)):
#0 0x0000000000e1d33b in gnome_canvas_waveview_flat_render (item=0x13920bc0, buf=0x7fffffffafd0) at …/gtk2_ardour/canvas-waveview.c:1799
#1 0x0000000000e223b4 in gnome_canvas_waveview_render (item=0x13920bc0, buf=0x7fffffffafd0) at …/gtk2_ardour/canvas-waveview.c:2192
#2 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#3 0x00007fffefd2f01d in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#4 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#5 0x00007fffefd2f01d in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#6 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#7 0x00007fffefd2f01d in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#8 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#9 0x00007fffefd2f01d in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#10 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#11 0x00007fffefd2f01d in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#12 0x00007fffeff6e740 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvasmm-2.6.so.1
#13 0x00007fffefd2f01d in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#14 0x00007fffefd34411 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgnomecanvas-2.so.0
#15 0x00007ffff3017718 in _gtk_marshal_BOOLEAN__BOXED () from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#16 0x00007ffff3ebcac3 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#17 0x00007ffff3ebc3da in g_closure_invoke () from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#18 0x00007ffff3ed98d9 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#19 0x00007ffff3ed8a67 in g_signal_emit_valist () from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#20 0x00007ffff3ed8f28 in g_signal_emit () from /opt/Ardour-3.5.380-dbg/lib/libgobject-2.0.so.0
#21 0x00007ffff316e4af in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#22 0x00007ffff3011711 in gtk_main_do_event () from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#23 0x00007ffff2c2ae02 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#24 0x00007ffff2c2adaf in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#25 0x00007ffff2c2adaf in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#26 0x00007ffff2c2adaf in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#27 0x00007ffff2c23bd4 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#28 0x00007ffff2c23f39 in gdk_window_process_all_updates () from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#29 0x00007ffff2c23fa9 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#30 0x00007ffff2bf1446 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libgdk-x11-2.0.so.0
#31 0x00007ffff39aac92 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#32 0x00007ffff39a844f in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#33 0x00007ffff39a91a5 in g_main_context_dispatch () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#34 0x00007ffff39a939c in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#35 0x00007ffff39a9468 in g_main_context_iteration () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#36 0x00007ffff30103b1 in gtk_main_iteration () from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#37 0x0000000000edcb86 in Editor::set_horizontal_position (this=0x5155730, p=3421) at …/gtk2_ardour/editor_canvas.cc:843
#38 0x0000000000e65a14 in Editor::idle_visual_changer (this=0x5155730) at …/gtk2_ardour/editor.cc:4317
#39 0x0000000000e65868 in Editor::_idle_visual_changer (arg=0x5155730) at …/gtk2_ardour/editor.cc:4273
#40 0x00007ffff39aac92 in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#41 0x00007ffff39a844f in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#42 0x00007ffff39a91a5 in g_main_context_dispatch () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#43 0x00007ffff39a939c in ?? () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#44 0x00007ffff39a9468 in g_main_context_iteration () from /opt/Ardour-3.5.380-dbg/lib/libglib-2.0.so.0
#45 0x00007ffff30103b1 in gtk_main_iteration () from /opt/Ardour-3.5.380-dbg/lib/libgtk-x11-2.0.so.0
#46 0x00007ffff60e943c in Gtkmm2ext::UI::flush_pending (this=0x21efd10) at …/libs/gtkmm2ext/gtk_ui.cc:689
#47 0x0000000000cff2a7 in ARDOUR_UI::load_session (this=0x21efd10, path="/stuff/Ardour-sess/creep", snap_name=“creep”, mix_template="") at …/gtk2_ardour/ardour_ui.cc:2910
#48 0x0000000000cfe2ae in ARDOUR_UI::get_session_parameters (this=0x21efd10, quit_on_cancel=false, should_be_new=false, load_template="") at …/gtk2_ardour/ardour_ui.cc:2747
#49 0x0000000000cf3bd9 in ARDOUR_UI::starting (this=0x21efd10) at …/gtk2_ardour/ardour_ui.cc:828
#50 0x00007ffff60e7599 in Gtkmm2ext::UI::run (this=0x21efd10, old_receiver=…) at …/libs/gtkmm2ext/gtk_ui.cc:268
#51 0x0000000001119e95 in main (argc=1, argv=0x7fffffffddb8) at …/gtk2_ardour/main.cc:519
(gdb) quit

Thanks
Rob