peter@longfield-x220 ~ $ /opt/Ardour-5.9.97-dbg/bin/ardour5 --gdb GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1 Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /opt/Ardour-5.9.97-dbg/bin/ardour-5.9.97...done. (gdb) runb Undefined command: "runb". Try "help". (gdb) run Starting program: /opt/Ardour-5.9.97-dbg/bin/ardour-5.9.97 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". bind txt domain [gtk2_ardour5] to /opt/Ardour-5.9.97-dbg/share/locale Ardour5.9.97 (built using 5.9-97-g333e20a and GCC version 5.2.1 20150903) ardour: [INFO]: Your system is configured to limit Ardour to only 65536 open files ardour: [INFO]: Loading system configuration file /opt/Ardour-5.9.97-dbg/etc/system_config ardour: [INFO]: Loading user configuration file /home/peter/.config/ardour5/config [New Thread 0x7fffe76dd700 (LWP 24102)] ardour: [INFO]: CPU vendor: GenuineIntel ardour: [INFO]: AVX-capable processor ardour: [INFO]: CPU brand: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz ardour: [INFO]: Using SSE optimized routines [New Thread 0x7fffe6edc700 (LWP 24103)] [New Thread 0x7fffe66db700 (LWP 24104)] [New Thread 0x7fffe5eda700 (LWP 24105)] [New Thread 0x7fffd6e97700 (LWP 24106)] [New Thread 0x7fffd6696700 (LWP 24107)] *** WEAK-JACK: initializing *** WEAK-JACK: OK. (0) Cannot xinstall SIGPIPE error handler ardour: [INFO]: Loading default ui configuration file /opt/Ardour-5.9.97-dbg/etc/default_ui_config ardour: [INFO]: Loading user ui configuration file /home/peter/.config/ardour5/ui_config Color shuttle bg not found ardour: [INFO]: Loading color file /opt/Ardour-5.9.97-dbg/share/themes/dark-ardour.colors ardour: [INFO]: Loading ui configuration file /opt/Ardour-5.9.97-dbg/etc/clearlooks.rc ardour: [INFO]: Loading ui configuration file /opt/Ardour-5.9.97-dbg/etc/clearlooks.rc [New Thread 0x7fffd40ae800 (LWP 24108)] [New Thread 0x7fffcf841700 (LWP 24109)] [New Thread 0x7fffcf7c0700 (LWP 24110)] [Thread 0x7fffcf7c0700 (LWP 24110) exited] [Thread 0x7fffcf841700 (LWP 24109) exited] [New Thread 0x7fffcf841700 (LWP 24111)] [New Thread 0x7fffcf7c0700 (LWP 24112)] [Thread 0x7fffcf7c0700 (LWP 24112) exited] [Thread 0x7fffcf841700 (LWP 24111) exited] [New Thread 0x7fffce83e700 (LWP 24113)] [New Thread 0x7fffcdc28700 (LWP 24114)] [New Thread 0x7fffcd427700 (LWP 24115)] [New Thread 0x7fffccc26700 (LWP 24116)] Found 1 along /home/peter/.config/ardour5/templates:/opt/Ardour-5.9.97-dbg/share/templates run dialog [New Thread 0x7fffb3fff700 (LWP 24117)] [Thread 0x7fffcdc28700 (LWP 24114) exited] [Thread 0x7fffb3fff700 (LWP 24117) exited] [Thread 0x7fffccc26700 (LWP 24116) exited] Announcement is: Version 5.10 has been released. Update at http://ardour.org/download [Thread 0x7fffd40ae800 (LWP 24108) exited] [New Thread 0x7fffcf841700 (LWP 24118)] [New Thread 0x7fffcf7c0700 (LWP 24119)] [New Thread 0x7fffb379e700 (LWP 24120)] protocol PreSonus FaderPort8 active ? 0 protocol Open Sound Control (OSC) active ? 0 protocol Ableton Push 2 active ? 0 protocol Steinberg CC121 active ? 0 protocol PreSonus FaderPort active ? 0 protocol Mackie active ? 0 protocol Generic MIDI active ? 0 no more csLADSPA plugins no more csLADSPA plugins lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/peter/.lv2/gx_ampegsvt.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/gx_ampegsvt.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/peter/.lv2/gx_voxbass.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/gx_voxbass.lv2/ (ignored) Scanning folders for bundled LV2s: /opt/Ardour-5.9.97-dbg/lib/LV2 lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/peter/.lv2/gx_ampegsvt.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/gx_ampegsvt.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/peter/.lv2/gx_voxbass.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/gx_voxbass.lv2/ (ignored) error: failed to expand CURIE `param:OscillatorControls' lilv_world_load_file(): error: Error loading file `file:///usr/lib/lv2/avw.lv2/vco2_audio.ttl' lilv_plugin_get_name(): warning: Plugin has no (mandatory) doap:name error: failed to expand CURIE `param:OscillatorControls' lilv_world_load_file(): error: Error loading file `file:///usr/lib/lv2/avw.lv2/vco2_cv.ttl' lilv_plugin_get_name(): warning: Plugin has no (mandatory) doap:name error: /usr/lib/lv2/Freakclip.lv2/Freakclip.ttl:36:4: missing ';' or '.' lilv_world_load_file(): error: Error loading file `file:///usr/lib/lv2/Freakclip.lv2/Freakclip.ttl' error: /usr/lib/lv2/Granulator.lv2/Granulator.ttl:24:7: missing ';' or '.' lilv_world_load_file(): error: Error loading file `file:///usr/lib/lv2/Granulator.lv2/Granulator.ttl' KP is ardour.keys [New Thread 0x7fffccc26700 (LWP 24123)] [New Thread 0x7fffb3fff700 (LWP 24124)] [New Thread 0x7fffcdc28700 (LWP 24125)] [New Thread 0x7fffb371d700 (LWP 24127)] [Thread 0x7fffb371d700 (LWP 24127) exited] [Thread 0x7fffb3fff700 (LWP 24124) exited] [Thread 0x7fffcdc28700 (LWP 24125) exited] [Thread 0x7fffcd427700 (LWP 24115) exited] [New Thread 0x7fffb371d700 (LWP 24129)] [Thread 0x7fffb371d700 (LWP 24129) exited] Set cursor set to default [New Thread 0x7fffb371d700 (LWP 24130)] [New Thread 0x7fffcd427700 (LWP 24131)] [New Thread 0x7fffcdc28700 (LWP 24132)] [New Thread 0x7fffb3fff700 (LWP 24133)] [New Thread 0x7fffb2f1c700 (LWP 24134)] [New Thread 0x7fffb271b700 (LWP 24135)] [New Thread 0x7fffb1ed5700 (LWP 24136)] [New Thread 0x7fffb1e54700 (LWP 24137)] [New Thread 0x7fffb1dd3700 (LWP 24138)] [New Thread 0x7fffb1d52700 (LWP 24139)] Set buffering params to 262144|131072|10|10 [New Thread 0x7fffb00b4800 (LWP 24140)] [New Thread 0x7fffa53b2700 (LWP 24141)] [Thread 0x7fffb2f1c700 (LWP 24134) exited] [Thread 0x7fffb271b700 (LWP 24135) exited] [Thread 0x7fffb3fff700 (LWP 24133) exited] [Thread 0x7fffb371d700 (LWP 24130) exited] [Thread 0x7fffcdc28700 (LWP 24132) exited] [Thread 0x7fffcd427700 (LWP 24131) exited] protocol PreSonus FaderPort8 active ? 0 protocol Open Sound Control (OSC) active ? 0 protocol Ableton Push 2 active ? 0 protocol Steinberg CC121 active ? 0 protocol PreSonus FaderPort active ? 0 protocol Mackie active ? 0 protocol Generic MIDI active ? 0 set state: 1 Set buffering params to 262144|131072|10|10 Skip explicit buffer seconds, preset in use Skip explicit buffer seconds, preset in use [New Thread 0x7fffcdc28700 (LWP 24142)] [New Thread 0x7fffcd427700 (LWP 24143)] [New Thread 0x7fffb3fff700 (LWP 24144)] [New Thread 0x7fffb371d700 (LWP 24145)] Dragging region(s) from 1 different track(s), max dist: 0 [Thread 0x7fffccc26700 (LWP 24123) exited] actually writing state to /home/peter/Music/Ardour/jam1/jam1.tmp renaming state to /home/peter/Music/Ardour/jam1/jam1.pending saved state in 51.1 ms actually writing state to /home/peter/Music/Ardour/jam1/jam1.tmp renaming state to /home/peter/Music/Ardour/jam1/jam1.ardour saved state in 32.4 ms [New Thread 0x7fffccc26700 (LWP 24173)] [New Thread 0x7fff777fe700 (LWP 24174)] [New Thread 0x7fff76ffd700 (LWP 24175)] [Thread 0x7fff76ffd700 (LWP 24175) exited] [Thread 0x7fffccc26700 (LWP 24173) exited] Pool: 'autoconnect' max: 0 / 1024 [Thread 0x7fffcd427700 (LWP 24143) exited] Butler drops pool trash Pool: 'butler events' max: 0 / 4096 [Thread 0x7fffb00b4800 (LWP 24140) exited] Graph::drop_threads() sema-counts: 1, 0, 1[Thread 0x7fffb1d52700 (LWP 24139) exited] [Thread 0x7fffb1dd3700 (LWP 24138) exited] [Thread 0x7fffb1e54700 (LWP 24137) exited] [Thread 0x7fffb1ed5700 (LWP 24136) exited] [Thread 0x7fffb3fff700 (LWP 24144) exited] [Thread 0x7fffcdc28700 (LWP 24142) exited] Pool: 'midiUI' max: 0 / 128 [Thread 0x7fffa53b2700 (LWP 24141) exited] [New Thread 0x7fffb1d52700 (LWP 24176)] [New Thread 0x7fffb1dd3700 (LWP 24177)] [New Thread 0x7fffb1e54700 (LWP 24178)] [New Thread 0x7fffb1ed5700 (LWP 24179)] Set buffering params to 262144|131072|10.0|10.0 [New Thread 0x7fffb00b4800 (LWP 24180)] [New Thread 0x7fffa53b2700 (LWP 24181)] protocol PreSonus FaderPort8 active ? 0 protocol Open Sound Control (OSC) active ? 0 protocol Ableton Push 2 active ? 0 protocol Steinberg CC121 active ? 0 protocol PreSonus FaderPort active ? 0 protocol Mackie active ? 0 protocol Generic MIDI active ? 0 set state: 1 Set buffering params to 262144|131072|10.0|10.0 Skip explicit buffer seconds, preset in use Skip explicit buffer seconds, preset in use [New Thread 0x7fffcdc28700 (LWP 24182)] [New Thread 0x7fffb3fff700 (LWP 24183)] [New Thread 0x7fffcd427700 (LWP 24184)] [Thread 0x7fff777fe700 (LWP 24174) exited] actually writing state to /home/peter/Music/Ardour/AndyPiano/AndyPiano.tmp renaming state to /home/peter/Music/Ardour/AndyPiano/AndyPiano.pending saved state in 36.1 ms Dragging region(s) from 1 different track(s), max dist: 0 Dragging region(s) from 1 different track(s), max dist: 0 actually writing state to /home/peter/Music/Ardour/AndyPiano/AndyPiano.tmp renaming state to /home/peter/Music/Ardour/AndyPiano/AndyPiano.pending saved state in 31.7 ms actually writing state to /home/peter/Music/Ardour/AndyPiano/AndyPiano.tmp renaming state to /home/peter/Music/Ardour/AndyPiano/AndyPiano.ardour saved state in 49.4 ms [New Thread 0x7fff777fe700 (LWP 24251)] [New Thread 0x7fffb2849700 (LWP 24252)] [New Thread 0x7fffa4bb1700 (LWP 24253)] [Thread 0x7fffa4bb1700 (LWP 24253) exited] [Thread 0x7fff777fe700 (LWP 24251) exited] Pool: 'autoconnect' max: 2 / 1024 [Thread 0x7fffb3fff700 (LWP 24183) exited] Butler drops pool trash Pool: 'butler events' max: 0 / 4096 [Thread 0x7fffb00b4800 (LWP 24180) exited] Graph::drop_threads() sema-counts: 1, 0, 1 [Thread 0x7fffb1ed5700 (LWP 24179) exited] [Thread 0x7fffb1e54700 (LWP 24178) exited] [Thread 0x7fffb1dd3700 (LWP 24177) exited] [Thread 0x7fffb1d52700 (LWP 24176) exited] [Thread 0x7fffcd427700 (LWP 24184) exited] [Thread 0x7fffcdc28700 (LWP 24182) exited] Pool: 'midiUI' max: 0 / 128 [Thread 0x7fffa53b2700 (LWP 24181) exited] PluginWindow deleted for 0x10e1b610 PluginWindow deleted for 0xfbe45f0 [New Thread 0x7fffb1ed5700 (LWP 24254)] [New Thread 0x7fffb1e54700 (LWP 24255)] [New Thread 0x7fffb1dd3700 (LWP 24256)] [New Thread 0x7fffb1d52700 (LWP 24257)] Set buffering params to 262144|131072|10.0|10.0 [New Thread 0x7fffb00b4800 (LWP 24258)] [New Thread 0x7fffa53b2700 (LWP 24259)] protocol PreSonus FaderPort8 active ? 0 protocol Open Sound Control (OSC) active ? 0 protocol Ableton Push 2 active ? 0 protocol Steinberg CC121 active ? 0 protocol PreSonus FaderPort active ? 0 protocol Mackie active ? 0 protocol Generic MIDI active ? 0 set state: 0 Set buffering params to 262144|131072|10.0|10.0 Skip explicit buffer seconds, preset in use Skip explicit buffer seconds, preset in use [New Thread 0x7fffcdc28700 (LWP 24260)] [New Thread 0x7fffcd427700 (LWP 24261)] [New Thread 0x7fffb3fff700 (LWP 24262)] [Thread 0x7fffb2849700 (LWP 24252) exited] actually writing state to /home/peter/Music/Ardour/AndyPiano2/AndyPiano2.tmp renaming state to /home/peter/Music/Ardour/AndyPiano2/AndyPiano2.ardour saved state in 74.2 ms Dragging region(s) from 1 different track(s), max dist: 0 Dragging region(s) from 1 different track(s), max dist: 0 Dragging region(s) from 1 different track(s), max dist: 0 Dragging region(s) from 1 different track(s), max dist: 0 actually writing state to /home/peter/Music/Ardour/AndyPiano2/AndyPiano2.tmp renaming state to /home/peter/Music/Ardour/AndyPiano2/AndyPiano2.pending saved state in 62.0 ms actually writing state to /home/peter/Music/Ardour/AndyPiano2/AndyPiano2.tmp renaming state to /home/peter/Music/Ardour/AndyPiano2/AndyPiano2.ardour saved state in 58.6 ms [New Thread 0x7fffb2849700 (LWP 24307)] [New Thread 0x7fffa488c700 (LWP 24308)] [New Thread 0x7fff77fff700 (LWP 24309)] [Thread 0x7fffa488c700 (LWP 24308) exited] [Thread 0x7fffb2849700 (LWP 24307) exited] Pool: 'autoconnect' max: 2 / 1024 [Thread 0x7fffcd427700 (LWP 24261) exited] Butler drops pool trash Pool: 'butler events' max: 0 / 4096 [Thread 0x7fffb00b4800 (LWP 24258) exited] Graph::drop_threads() sema-counts: 1, [Thread 0x7fffb3fff700 (LWP 24262) exited] 0, 1 [Thread 0x7fffb1d52700 (LWP 24257) exited] [Thread 0x7fffb1dd3700 (LWP 24256) exited] [Thread 0x7fffb1e54700 (LWP 24255) exited] [Thread 0x7fffb1ed5700 (LWP 24254) exited] [Thread 0x7fffcdc28700 (LWP 24260) exited] Pool: 'midiUI' max: 0 / 128 [Thread 0x7fffa53b2700 (LWP 24259) exited] PluginWindow deleted for 0xf9ca450 PluginWindow deleted for 0xf109b90 [New Thread 0x7fffb1d52700 (LWP 24310)] [New Thread 0x7fffb1dd3700 (LWP 24311)] [New Thread 0x7fffb1e54700 (LWP 24312)] [New Thread 0x7fffb1ed5700 (LWP 24313)] Set buffering params to 262144|131072|10.0|10.0 [New Thread 0x7fffb00b4800 (LWP 24314)] [New Thread 0x7fffa53b2700 (LWP 24315)] [New Thread 0x7fffcdc28700 (LWP 24316)] [New Thread 0x7fffb3fff700 (LWP 24317)] protocol PreSonus FaderPort8 active ? 0 protocol Open Sound Control (OSC) active ? 0 protocol Ableton Push 2 active ? 0 protocol Steinberg CC121 active ? 0 protocol PreSonus FaderPort active ? 0 protocol Mackie active ? 0 protocol Generic MIDI active ? 0 set state: 1 Set buffering params to 262144|131072|10.0|10.0 Skip explicit buffer seconds, preset in use Skip explicit buffer seconds, preset in use [New Thread 0x7fffcd427700 (LWP 24318)] [New Thread 0x7fff777fe700 (LWP 24319)] [New Thread 0x7fff76ffd700 (LWP 24320)] fluidsynth: warning: No preset found on channel 9 [bank=128 prog=0] [Thread 0x7fff77fff700 (LWP 24309) exited] actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.ardour saved state in 125.5 ms actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.pending saved state in 127.8 ms ------------------ summary move drag starts. actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.pending saved state in 110.5 ms actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.pending saved state in 102.9 ms actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.pending saved state in 108.2 ms actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.ardour saved state in 146.9 ms actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.ardour saved state in 144.5 ms actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.ardour saved state in 133.7 ms actually writing state to /home/peter/Music/Ardour/Dreamin/Dreamin.tmp renaming state to /home/peter/Music/Ardour/Dreamin/Dreamin.ardour saved state in 130.8 ms [New Thread 0x7fff77fff700 (LWP 24486)] [New Thread 0x7fff765f7700 (LWP 24487)] [New Thread 0x7fff75df6700 (LWP 24488)] [New Thread 0x7fff6ffff700 (LWP 24489)] [New Thread 0x7fff6f7fe700 (LWP 24490)] [Thread 0x7fff6f7fe700 (LWP 24490) exited] [Thread 0x7fff6ffff700 (LWP 24489) exited] [Thread 0x7fff75df6700 (LWP 24488) exited] [Thread 0x7fff765f7700 (LWP 24487) exited] Pool: 'autoconnect' max: 0 / 1024 [Thread 0x7fff777fe700 (LWP 24319) exited] Butler drops pool trash Pool: 'butler events' max: 2 / 4096 [Thread 0x7fffb00b4800 (LWP 24314) exited] [Thread 0x7fff76ffd700 (LWP 24320) exited] Graph::drop_threads() sema-counts: 1, 0, 1 [Thread 0x7fffb1ed5700 (LWP 24313) exited] [Thread 0x7fffb1e54700 (LWP 24312) exited] [Thread 0x7fffb1dd3700 (LWP 24311) exited] [Thread 0x7fffb1d52700 (LWP 24310) exited] [Thread 0x7fffcd427700 (LWP 24318) exited] Pool: 'midiUI' max: 0 / 128 [Thread 0x7fffa53b2700 (LWP 24315) exited] [Thread 0x7fffb3fff700 (LWP 24317) exited] [Thread 0x7fffcdc28700 (LWP 24316) exited] PluginWindow deleted for 0x15c2f7a0 [New Thread 0x7fffb1ed5700 (LWP 24491)] [New Thread 0x7fffb1e54700 (LWP 24492)] [New Thread 0x7fffb1dd3700 (LWP 24493)] [New Thread 0x7fffb1d52700 (LWP 24494)] Set buffering params to 262144|131072|10.0|10.0 [New Thread 0x7fffccc25800 (LWP 24495)] [New Thread 0x7fffcdc28700 (LWP 24496)] [New Thread 0x7fffb3fff700 (LWP 24497)] [New Thread 0x7fffa53b2700 (LWP 24498)] protocol PreSonus FaderPort8 active ? 0 protocol Open Sound Control (OSC) active ? 0 protocol Ableton Push 2 active ? 0 protocol Steinberg CC121 active ? 0 protocol PreSonus FaderPort active ? 0 protocol Mackie active ? 0 protocol Generic MIDI active ? 0 set state: 0 Set buffering params to 262144|131072|10.0|10.0 Skip explicit buffer seconds, preset in use Skip explicit buffer seconds, preset in use [New Thread 0x7fffcd427700 (LWP 24499)] [New Thread 0x7fffa49ad700 (LWP 24500)] [New Thread 0x7fff75ce4700 (LWP 24501)] [Thread 0x7fff77fff700 (LWP 24486) exited] (ardour-5.9.97:24096): GLib-GObject-CRITICAL **: g_object_ref: assertion 'G_IS_OBJECT (object)' failed (ardour-5.9.97:24096): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed (ardour-5.9.97:24096): GLib-GObject-CRITICAL **: g_object_ref: assertion 'G_IS_OBJECT (object)' failed (ardour-5.9.97:24096): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed (ardour-5.9.97:24096): GLib-GObject-CRITICAL **: g_object_ref: assertion 'G_IS_OBJECT (object)' failed (ardour-5.9.97:24096): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed (ardour-5.9.97:24096): GLib-GObject-CRITICAL **: g_object_ref: assertion 'G_IS_OBJECT (object)' failed (ardour-5.9.97:24096): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed actually writing state to /home/peter/Music/Ardour/Invisible3/Invisible3-Vdrums.tmp renaming state to /home/peter/Music/Ardour/Invisible3/Invisible3-Vdrums.ardour saved state in 270.2 ms actually writing state to /home/peter/Music/Ardour/Invisible3/Invisible3-Vdrums.tmp renaming state to /home/peter/Music/Ardour/Invisible3/Invisible3-Vdrums.ardour saved state in 265.9 ms actually writing state to /home/peter/Music/Ardour/Invisible3/Invisible3-Vdrums.tmp renaming state to /home/peter/Music/Ardour/Invisible3/Invisible3-Vdrums.ardour saved state in 259.5 ms Thread 86 "ardour-5.9.97" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffb1e54700 (LWP 24492)] 0x00007fff75dcb3ee in ?? () from /usr/lib/lv2/helm.lv2/helm.so (gdb) thread apply all bt Couldn't get registers: No such process. (gdb)