The following gdb output hopefully shows what is going on with the errors I get when experting.


steve@steve-comp:/opt/Ardour-6.0.rc1.176-dbg/bin$ ./ardour6 --gdb
GNU gdb (Ubuntu 8.1-0ubuntu3.2) 8.1.0.20180409-git
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Type "show configuration" for configuration details.
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For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /opt/Ardour-6.0.rc1.176-dbg/bin/ardour-6.0.rc1.176...done.
(gdb) run
Starting program: /opt/Ardour-6.0.rc1.176-dbg/bin/ardour-6.0.rc1.176 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
bind txt domain [gtk2_ardour6] to /opt/Ardour-6.0.rc1.176-dbg/share/locale
Ardour6.0.rc1.176 (built using 6.0-rc1-176-gacb8f9eb28 and GCC version 6.3.0 20170516)
Ardour: [INFO]: Your system is configured to limit Ardour to 4096 open files
Ardour: [INFO]: Loading system configuration file /opt/Ardour-6.0.rc1.176-dbg/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/steve/.config/ardour6/config
[New Thread 0x7fffe68a9700 (LWP 5209)]
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX-capable processor
Ardour: [INFO]: CPU brand:        Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz
Ardour: [INFO]: Using SSE optimized routines
[New Thread 0x7fffe60a8700 (LWP 5210)]
[New Thread 0x7fffe58a7700 (LWP 5211)]
[New Thread 0x7fffe50a6700 (LWP 5212)]
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-6.0.rc1.176-dbg/share/plugin_metadata/plugin_tags
[New Thread 0x7fffd5745700 (LWP 5213)]
[Thread 0x7fffd5745700 (LWP 5213) exited]
[New Thread 0x7fffd5745700 (LWP 5214)]
[New Thread 0x7fffcfb74700 (LWP 5215)]
*** WEAK-JACK: initializing
*** WEAK-JACK: OK. (0)
[New Thread 0x7fffccc98700 (LWP 5216)]
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-6.0.rc1.176-dbg/etc/default_ui_config
Ardour: [INFO]: Loading user ui configuration file /home/steve/.config/ardour6/ui_config
Ardour: [INFO]: Loading 449 MIDI patches from /opt/Ardour-6.0.rc1.176-dbg/share/patchfiles
Ardour: [INFO]: Loading color file /opt/Ardour-6.0.rc1.176-dbg/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-6.0.rc1.176-dbg/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-6.0.rc1.176-dbg/etc/ardour.keys
Loading ui configuration file /opt/Ardour-6.0.rc1.176-dbg/etc/clearlooks.rc
[New Thread 0x7fffcc1ab700 (LWP 5217)]
[New Thread 0x7fffbffff700 (LWP 5218)]
[Thread 0x7fffbffff700 (LWP 5218) exited]
[New Thread 0x7fffbffff700 (LWP 5219)]
pingback: No Error
[Thread 0x7fffcc1ab700 (LWP 5217) exited]
[New Thread 0x7fffbedcc700 (LWP 5220)]
[New Thread 0x7fffbe5cb700 (LWP 5221)]
[New Thread 0x7fffbddca700 (LWP 5222)]
Found nothing along /home/steve/.config/ardour6/templates:/opt/Ardour-6.0.rc1.176-dbg/share/templates
[Thread 0x7fffbddca700 (LWP 5222) exited]
[Thread 0x7fffbe5cb700 (LWP 5221) exited]
[Thread 0x7fffccc98700 (LWP 5216) exited]
[Thread 0x7fffbedcc700 (LWP 5220) exited]
[New Thread 0x7fffbedcc700 (LWP 5226)]
playback :
  nchan  : 2
  fsamp  : 44100
  fsize  : 4096
  nfrag  : 3
  format : S32_LE
capture  :
  nchan  : 2
  fsamp  : 44100
  fsize  : 4096
  nfrag  : 2
  format : S32_LE
synced
[New Thread 0x7fffbd131700 (LWP 5227)]
[New Thread 0x7fffbd128700 (LWP 5228)]
[New Thread 0x7fffbd11f700 (LWP 5229)]
[New Thread 0x7fffbddca700 (LWP 5230)]
[New Thread 0x7fffbe5cb700 (LWP 5231)]
[New Thread 0x7fffbce10700 (LWP 5232)]
Scanning folders for bundled LV2s: /opt/Ardour-6.0.rc1.176-dbg/lib/LV2
[Thread 0x7fffbce10700 (LWP 5232) exited]
[New Thread 0x7fffbce10700 (LWP 5233)]
[New Thread 0x7fffa3fff700 (LWP 5234)]
[New Thread 0x7fffa37fe700 (LWP 5236)]
[Thread 0x7fffa37fe700 (LWP 5236) exited]
[Thread 0x7fffa3fff700 (LWP 5234) exited]
[Thread 0x7fffbe5cb700 (LWP 5231) exited]
[New Thread 0x7fffa37fe700 (LWP 5238)]
[Thread 0x7fffa37fe700 (LWP 5238) exited]
Set cursor set to default
 loading from /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix as Sing My Way Av6 SteveErdemanMix templ  is_new 0 bp 0
[New Thread 0x7fffbc2f1700 (LWP 5239)]
[New Thread 0x7fffbc2e8700 (LWP 5240)]
[New Thread 0x7fffbc2df700 (LWP 5241)]
[New Thread 0x7fffbc2d6700 (LWP 5242)]
[New Thread 0x7fffbc2b5700 (LWP 5243)]
[New Thread 0x7fffbc294700 (LWP 5244)]
[New Thread 0x7fffbc273700 (LWP 5245)]
[New Thread 0x7fffa37fe700 (LWP 5246)]
[New Thread 0x7fffbe5cb700 (LWP 5247)]
[New Thread 0x7fffa3fff700 (LWP 5248)]
[New Thread 0x7fff7e43d700 (LWP 5249)]
[New Thread 0x7fff7d9f7700 (LWP 5250)]
[New Thread 0x7fff7d1f6700 (LWP 5252)]
[New Thread 0x7fff7c9f5700 (LWP 5253)]
[New Thread 0x7fff67fff700 (LWP 5254)]
locate took 1004139 usecs for 93 tracks = 10797 per track
[Thread 0x7fffbce10700 (LWP 5233) exited]
[New Thread 0x7fffbce10700 (LWP 5255)]
[New Thread 0x7fff675fe700 (LWP 5256)]
[New Thread 0x7fff66dfd700 (LWP 5257)]

(ardour-6.0.rc1.176:5205): Gtk-CRITICAL **: gtk_text_buffer_emit_insert: assertion 'g_utf8_validate (text, len, NULL)' failed

(ardour-6.0.rc1.176:5205): Gtk-CRITICAL **: gtk_text_buffer_emit_insert: assertion 'g_utf8_validate (text, len, NULL)' failed
locate took 1410427 usecs for 93 tracks = 15166 per track
locate took 943960 usecs for 93 tracks = 10150 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 680.3 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 1174.7 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 623.7 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 691.7 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 615.8 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 763.8 ms
removed /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
locate took 894829 usecs for 93 tracks = 9622 per track
locate took 958678 usecs for 93 tracks = 10308 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 615.3 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 604.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 704.7 ms
CALF DEBUG: instance 0x555565f0e1f0 data 0x555565f2a688
CALF DEBUG: calf 0x7fffa15ed230 cpi 0x7fffa0bf2a00
Send configures...
CALF DEBUG: instance 0x555565f8c290 data 0x555565f898e8
CALF DEBUG: calf 0x7fffa15ed230 cpi 0x7fffa0bf2a00

(ardour-6.0.rc1.176:5205): GLib-GObject-WARNING **: gsignal.c:1612: signal "freqhandle_changed" already exists in the 'GObject' class ancestry
Send configures...
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 611.5 ms
CALF DEBUG: instance 0x555565f0e1f0 data 0x555565f2a688
CALF DEBUG: calf 0x7fffa15ed230 cpi 0x7fffa0bf2a00
Send configures...
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 622.9 ms
locate took 939365 usecs for 93 tracks = 10101 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 626.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 627.8 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 619.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 620.7 ms
locate took 921136 usecs for 93 tracks = 9905 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 717.7 ms
removed /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
locate took 912533 usecs for 93 tracks = 9812 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 626.4 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 623.5 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 624.9 ms
locate took 935996 usecs for 93 tracks = 10064 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 707.3 ms
removed /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
CALF DEBUG: instance 0x555562dd7c00 data 0x555562da8b78
CALF DEBUG: calf 0x7fffa15ecc30 cpi 0x7fffa0bf3f00

(ardour-6.0.rc1.176:5205): GLib-GObject-WARNING **: gsignal.c:1612: signal "freqhandle_changed" already exists in the 'GObject' class ancestry
Send configures...
[New Thread 0x7fff65bf3700 (LWP 5329)]
locate took 971063 usecs for 93 tracks = 10442 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 633.1 ms
locate took 918283 usecs for 93 tracks = 9874 per track
locate took 926230 usecs for 93 tracks = 9959 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 608.7 ms
locate took 921938 usecs for 93 tracks = 9913 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 610.7 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 612.7 ms
locate took 978367 usecs for 93 tracks = 10520 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 717.7 ms
removed /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
locate took 790229 usecs for 93 tracks = 8497 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 708.9 ms
locate took 695008 usecs for 93 tracks = 7473 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 710.8 ms
locate took 718689 usecs for 93 tracks = 7728 per track
locate took 701156 usecs for 93 tracks = 7539 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 604.2 ms
locate took 710752 usecs for 93 tracks = 7642 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 720.1 ms
removed /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
CALF DEBUG: instance 0x555557beb2e0 data 0x555569967668
CALF DEBUG: calf 0x7fffa15ed6b0 cpi 0x7fffa0bf1a40

(ardour-6.0.rc1.176:5205): GLib-GObject-WARNING **: gsignal.c:1612: signal "freqhandle_changed" already exists in the 'GObject' class ancestry
Send configures...
locate took 802487 usecs for 93 tracks = 8629 per track
PluginWindow deleted for 0x55556dd05dc0
CALF DEBUG: instance 0x555562c4ad50 data 0x555562c67118
CALF DEBUG: calf 0x7fffa15ec930 cpi 0x7fffa0bf4980
Send configures...
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 620.9 ms
locate took 742955 usecs for 93 tracks = 7989 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 627.6 ms
locate took 784405 usecs for 93 tracks = 8434 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 686.2 ms
removed /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
locate took 747989 usecs for 93 tracks = 8043 per track
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 635.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 617.8 ms
locate took 709230 usecs for 93 tracks = 7626 per track
  PBD::stacktrace(std::ostream&, int)
  ARDOUR::Session::realtime_stop(bool, bool)
  ARDOUR::Session::pre_export()
  ARDOUR::Session::start_audio_export(long, bool, bool)
  ARDOUR::ExportHandler::start_timespan()
  ARDOUR::ExportHandler::do_export()
  /opt/Ardour-6.0.rc1.176-dbg/bin/ardour-6.0.rc1.176(+0x9fa472) [0x555555f4e472]
  /opt/Ardour-6.0.rc1.176-dbg/bin/ardour-6.0.rc1.176(+0xa018f6) [0x555555f558f6]
  /opt/Ardour-6.0.rc1.176-dbg/bin/ardour-6.0.rc1.176(+0xa00d06) [0x555555f54d06]
  /opt/Ardour-6.0.rc1.176-dbg/bin/ardour-6.0.rc1.176(+0xa00459) [0x555555f54459]
  Glib::SignalProxyNormal::slot0_void_callback(_GObject*, void*)
  g_closure_invoke
  /opt/Ardour-6.0.rc1.176-dbg/lib/libgobject-2.0.so.0(+0x2101b) [0x7ffff328701b]
  g_signal_emit_valist
  g_signal_emit
  /opt/Ardour-6.0.rc1.176-dbg/lib/libgtk-x11-2.0.so.0(+0x9ed82) [0x7ffff2474d82]
  /opt/Ardour-6.0.rc1.176-dbg/lib/libgobject-2.0.so.0(+0xfb74) [0x7ffff3275b74]
  g_signal_emit_valist
  g_signal_emit
  gtk_button_released
  /opt/Ardour-6.0.rc1.176-dbg/lib/libgtk-x11-2.0.so.0(+0x9d059) [0x7ffff2473059]
  /opt/Ardour-6.0.rc1.176-dbg/lib/libgtk-x11-2.0.so.0(+0x185cac) [0x7ffff255bcac]
  g_closure_invoke
  /opt/Ardour-6.0.rc1.176-dbg/lib/libgobject-2.0.so.0(+0x215a0) [0x7ffff32875a0]
  g_signal_emit_valist
  g_signal_emit
  /opt/Ardour-6.0.rc1.176-dbg/lib/libgtk-x11-2.0.so.0(+0x30a64c) [0x7ffff26e064c]
  gtk_propagate_event
  gtk_main_do_event
  /opt/Ardour-6.0.rc1.176-dbg/lib/libgdk-x11-2.0.so.0(+0x6fb5c) [0x7ffff2176b5c]
[New Thread 0x7fff653f2700 (LWP 5369)]
[Thread 0x7fff653f2700 (LWP 5369) exited]
[New Thread 0x7fff653f2700 (LWP 5410)]
[New Thread 0x7fff64bf1700 (LWP 5411)]
[New Thread 0x7fff5bfff700 (LWP 5412)]
[New Thread 0x7fff5b7fe700 (LWP 5415)]
[Thread 0x7fff5bfff700 (LWP 5412) exited]
[Thread 0x7fff5b7fe700 (LWP 5415) exited]
[Thread 0x7fff653f2700 (LWP 5410) exited]
[Thread 0x7fff64bf1700 (LWP 5411) exited]
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 595.8 ms
[New Thread 0x7fff64bf1700 (LWP 5490)]
[New Thread 0x7fff653f2700 (LWP 5491)]
[New Thread 0x7fff5b7fe700 (LWP 5492)]
[New Thread 0x7fff5bfff700 (LWP 5493)]
[New Thread 0x7fff5affd700 (LWP 5495)]
[New Thread 0x7fff5a7fc700 (LWP 5498)]
[Thread 0x7fff5a7fc700 (LWP 5498) exited]
[Thread 0x7fff5b7fe700 (LWP 5492) exited]
[Thread 0x7fff64bf1700 (LWP 5490) exited]
[Thread 0x7fff5affd700 (LWP 5495) exited]
[Thread 0x7fff5bfff700 (LWP 5493) exited]
[Thread 0x7fff653f2700 (LWP 5491) exited]
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 595.4 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 589.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 598.7 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 581.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 582.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 598.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 593.5 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 587.5 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 590.7 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 597.8 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 585.6 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 592.2 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 595.1 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 598.4 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 588.4 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 599.8 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 595.7 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 597.8 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 597.1 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 605.0 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 600.6 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 592.3 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 602.2 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 595.7 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 613.2 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 611.5 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 600.8 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 596.5 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 609.8 ms
[New Thread 0x7fff653f2700 (LWP 6041)]
[New Thread 0x7fff5bfff700 (LWP 6042)]
[New Thread 0x7fff5affd700 (LWP 6044)]
[New Thread 0x7fff64bf1700 (LWP 6047)]
[New Thread 0x7fff5b7fe700 (LWP 6049)]
[Thread 0x7fff653f2700 (LWP 6041) exited]
[Thread 0x7fff5bfff700 (LWP 6042) exited]
[Thread 0x7fff5b7fe700 (LWP 6049) exited]
[Thread 0x7fff64bf1700 (LWP 6047) exited]
[Thread 0x7fff5affd700 (LWP 6044) exited]
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 603.5 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
saved state in 614.1 ms
actually writing state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.tmp
renaming state to /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.ardour
saved state in 700.2 ms
removed /media/steve/Erdeman/TMA Sing My Way/Sind My Way Av6 with controller ALSA/Sing My Way Av6 SteveErdemanMix/Sing My Way Av6 SteveErdemanMix.pending
^Ccaught signal - shutting down.

Thread 1 "ArdourGUI" received signal SIGINT, Interrupt.
0x00007fffebef0bf9 in __GI___poll (fds=0x555557297750, nfds=4, timeout=35) at ../sysdeps/unix/sysv/linux/poll.c:29
29	../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
(gdb) thread apply all bt

Thread 45 (Thread 0x7fff65bf3700 (LWP 5329)):
#0  0x00007fffeecbff85 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff65bf2c10, expected=0, futex_word=0x55556afbcc80)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7fff65bf2c10, mutex=0x55556afbcc88, cond=0x55556afbcc58) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x55556afbcc58, mutex=0x55556afbcc88, abstime=0x7fff65bf2c10) at pthread_cond_wait.c:667
#3  0x00007fff7f4c1388 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so
#4  0x00007fff7f4e56c4 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so
#5  0x00007fff7f4cfb16 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so
#6  0x00007fff7f4cfca9 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so
#7  0x00007fffeecb96db in start_thread (arg=0x7fff65bf3700) at pthread_create.c:463
#8  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 44 (Thread 0x7fff66dfd700 (LWP 5257)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff793e483 in ArdourWaveView::WaveViewDrawRequestQueue::dequeue (this=0x55555c1db968, block=true) at ../libs/waveview/wave_view_private.cc:299
#3  0x00007ffff793e7a0 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:368
#4  0x00007ffff793eafe in ArdourWaveView::WaveViewDrawingThread::run (this=0x555568ca9cc0) at ../libs/waveview/wave_view_private.cc:450
#5  0x00007ffff794324a in sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread>::operator() (this=0x55557c0b15c8)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6  0x00007ffff7942d74 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread> >::operator() (this=0x55557c0b15c0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff794276d in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread>, void>::call_it (rep=0x55557c0b1590)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#10 0x00007fffeecb96db in start_thread (arg=0x7fff66dfd700) at pthread_create.c:463
#11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 43 (Thread 0x7fff675fe700 (LWP 5256)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff793e483 in ArdourWaveView::WaveViewDrawRequestQueue::dequeue (this=0x55555c1db968, block=true) at ../libs/waveview/wave_view_private.cc:299
#3  0x00007ffff793e7a0 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:368
#4  0x00007ffff793eafe in ArdourWaveView::WaveViewDrawingThread::run (this=0x5555689457e0) at ../libs/waveview/wave_view_private.cc:450
#5  0x00007ffff794324a in sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread>::operator() (this=0x55557c0bb288)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6  0x00007ffff7942d74 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread> >::operator() (this=0x55557c0bb280)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
---Type <return> to continue, or q <return> to quit---
#7  0x00007ffff794276d in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread>, void>::call_it (rep=0x55557c0bb250)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#10 0x00007fffeecb96db in start_thread (arg=0x7fff675fe700) at pthread_create.c:463
#11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 42 (Thread 0x7fffbce10700 (LWP 5255)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff793e483 in ArdourWaveView::WaveViewDrawRequestQueue::dequeue (this=0x55555c1db968, block=true) at ../libs/waveview/wave_view_private.cc:299
#3  0x00007ffff793e7a0 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:368
#4  0x00007ffff793eafe in ArdourWaveView::WaveViewDrawingThread::run (this=0x555568d36ed0) at ../libs/waveview/wave_view_private.cc:450
#5  0x00007ffff794324a in sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread>::operator() (this=0x5555683fc148)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6  0x00007ffff7942d74 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread> >::operator() (this=0x5555683fc140)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff794276d in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ArdourWaveView::WaveViewDrawingThread>, void>::call_it (rep=0x5555683fc110)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#10 0x00007fffeecb96db in start_thread (arg=0x7fffbce10700) at pthread_create.c:463
#11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7fff67fff700 (LWP 5254)):
#0  0x00007fffeecc3c60 in __GI___nanosleep (requested_time=0x7fff67ffebb0, remaining=0x7fff67ffebc0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
#1  0x00007ffff2f97a38 in g_usleep () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff697e9be in ARDOUR::AutomationWatch::thread (this=0x5555573f0920) at ../libs/ardour/automation_watch.cc:195
#3  0x00007ffff6984201 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x55557f66dfb0, p=0x5555573f0920)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6983e46 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x55557f66dfc0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff6983567 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x55557f66dfb0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff69834e8 in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > > >::operator() (this=0x55557f66dfb0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff6982d46 in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >, void>::call_it (rep=0x55557f66df80) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#10 0x00007fffeecb96db in start_thread (arg=0x7fff67fff700) at pthread_create.c:463
#11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7fff7c9f5700 (LWP 5253)):
#0  0x00007fffeecbf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55555997d5c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55555997d570, cond=0x55555997d598) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55555997d598, mutex=0x55555997d570) at pthread_cond_wait.c:655
#3  0x00007ffff6f70288 in ARDOUR::Session::auto_connect_thread_run (this=0x55555997b770) at ../libs/ardour/session.cc:7036
#4  0x00007ffff6f6ff9e in ARDOUR::Session::auto_connect_thread (arg=0x55555997b770) at ../libs/ardour/session.cc:6980
#5  0x00007fffeecb96db in start_thread (arg=0x7fff7c9f5700) at pthread_create.c:463
#6  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7fff7d1f6700 (LWP 5252)):
#0  0x00007fffeecbf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55555997d554) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55555997d500, cond=0x55555997d528) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55555997d528, mutex=0x55555997d500) at pthread_cond_wait.c:655
#3  0x00007ffff6fe83a5 in ARDOUR::Session::emit_thread_run (this=0x55555997b770) at ../libs/ardour/session_process.cc:1111
#4  0x00007ffff6fe8342 in ARDOUR::Session::emit_thread (arg=0x55555997b770) at ../libs/ardour/session_process.cc:1100
#5  0x00007fffeecb96db in start_thread (arg=0x7fff7d1f6700) at pthread_create.c:463
#6  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7fff7d9f7700 (LWP 5250)):
#0  0x00007fffebef0bf9 in __GI___poll (fds=0x7fffac034030, nfds=3, timeout=99) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2f66d66 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff2f670f2 in g_main_loop_run () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff419f736 in BaseUI::main_thread (this=0x5555599b8208) at ../libs/pbd/base_ui.cc:98
#4  0x00007ffff41a3858 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x555559a6a018)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff41a3498 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x555559a6a010)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6  0x00007ffff41a2ed9 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x555559a69fe0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#8  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#9  0x00007fffeecb96db in start_thread (arg=0x7fff7d9f7700) at pthread_create.c:463
#10 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fff7e43d700 (LWP 5249)):
#0  0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x55556769d7a0)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
---Type <return> to continue, or q <return> to quit---
#1  do_futex_wait (sem=sem@entry=0x55556769d7a0, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x55556769d7a0, abstime=0x0) at sem_waitcommon.c:181
#3  0x00007ffff6ab025e in PBD::Semaphore::wait (this=0x55556769d7a0) at ../libs/pbd/pbd/semutils.h:64
#4  0x00007ffff70daadc in ARDOUR::Worker::run (this=0x55556769d780) at ../libs/ardour/worker.cc:146
#5  0x00007ffff70dbace in sigc::bound_mem_functor0<void, ARDOUR::Worker>::operator() (this=0x55556769fc28)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6  0x00007ffff70dba16 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR::Worker> >::operator() (this=0x55556769fc20)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff70db8ed in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR::Worker>, void>::call_it (rep=0x55556769fbf0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#10 0x00007fffeecb96db in start_thread (arg=0x7fff7e43d700) at pthread_create.c:463
#11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fffa3fff700 (LWP 5248)):
#0  0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x5555672be2a0)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  do_futex_wait (sem=sem@entry=0x5555672be2a0, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x5555672be2a0, abstime=0x0) at sem_waitcommon.c:181
#3  0x00007ffff6ab025e in PBD::Semaphore::wait (this=0x5555672be2a0) at ../libs/pbd/pbd/semutils.h:64
#4  0x00007ffff70daadc in ARDOUR::Worker::run (this=0x5555672be280) at ../libs/ardour/worker.cc:146
#5  0x00007ffff70dbace in sigc::bound_mem_functor0<void, ARDOUR::Worker>::operator() (this=0x5555672c18f8)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6  0x00007ffff70dba16 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR::Worker> >::operator() (this=0x5555672c18f0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff70db8ed in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR::Worker>, void>::call_it (rep=0x5555672c18c0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#10 0x00007fffeecb96db in start_thread (arg=0x7fffa3fff700) at pthread_create.c:463
#11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fffbe5cb700 (LWP 5247)):
#0  0x00007fffebef0bf9 in __GI___poll (fds=0x7fff78001018, nfds=2, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fff7f4e7e83 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so
#2  0x00007fff7f4a3b77 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so
#3  0x00007fff7f4cfb16 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so
#4  0x00007fff7f4cfca9 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so
#5  0x00007fffeecb96db in start_thread (arg=0x7fffbe5cb700) at pthread_create.c:463
---Type <return> to continue, or q <return> to quit---
#6  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fffa37fe700 (LWP 5246)):
#0  0x00007fffebef0bf9 in __GI___poll (fds=0x7fff8417a7d0, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2f66d66 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff2f670f2 in g_main_loop_run () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff419f736 in BaseUI::main_thread (this=0x55555aaa8210) at ../libs/pbd/base_ui.cc:98
#4  0x00007ffff41a3858 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x55555cd68518)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff41a3498 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x55555cd68510)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6  0x00007ffff41a2ed9 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x55555cd684e0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#8  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#9  0x00007fffeecb96db in start_thread (arg=0x7fffa37fe700) at pthread_create.c:463
#10 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fffbc273700 (LWP 5245)):
#0  0x00007fffebef0bf9 in __GI___poll (fds=0x7fffbc272328, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff41b5598 in CrossThreadChannel::poll_for_request (this=0x555558069098) at ../libs/pbd/crossthread.posix.cc:102
#2  0x00007ffff41b5601 in CrossThreadChannel::receive (this=0x555558069098, msg=@0x7fffbc2723ef: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:123
#3  0x00007ffff69944f8 in ARDOUR::Butler::thread_work (this=0x555558069000) at ../libs/ardour/butler.cc:172
#4  0x00007ffff6994279 in ARDOUR::Butler::_thread_work (arg=0x555558069000) at ../libs/ardour/butler.cc:153
#5  0x00007ffff41d8648 in fake_thread_start (arg=0x55555cd67cf0) at ../libs/pbd/pthread_utils.cc:107
#6  0x00007fffeecb96db in start_thread (arg=0x7fffbc273700) at pthread_create.c:463
#7  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fffbc294700 (LWP 5244)):
#0  0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x555558198498)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  do_futex_wait (sem=sem@entry=0x555558198498, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x555558198498, abstime=0x0) at sem_waitcommon.c:181
#3  0x00007ffff6ab025e in PBD::Semaphore::wait (this=0x555558198498) at ../libs/pbd/pbd/semutils.h:64
#4  0x00007ffff6aacd8a in ARDOUR::Graph::reached_terminal_node (this=0x5555581983c0) at ../libs/ardour/graph.cc:301
#5  0x00007ffff6ab4b17 in ARDOUR::GraphNode::finish (this=0x55555dba8508, chain=0) at ../libs/ardour/graphnode.cc:73
#6  0x00007ffff6ab02c8 in ARDOUR::GraphNode::run (this=0x55555dba8508, chain=0) at ../libs/ardour/ardour/graphnode.h:63
#7  0x00007ffff6aadb68 in ARDOUR::Graph::run_one (this=0x5555581983c0) at ../libs/ardour/graph.cc:442
#8  0x00007ffff6aadeb2 in ARDOUR::Graph::helper_thread (this=0x5555581983c0) at ../libs/ardour/graph.cc:470
#9  0x00007ffff6ab444f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbc293cf8, p=0x5555581983c0)
---Type <return> to continue, or q <return> to quit---
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#10 0x00007ffff6ab3c04 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffbc293d08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#11 0x00007ffff6ab3061 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffbc293cf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#12 0x00007ffff6ab2905 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#13 0x0000555555b8ba3c in boost::function0<void>::operator() (this=0x7fffbc293cf0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#14 0x00007fffccd1804f in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555b5f3150) at ../libs/backends/alsa/alsa_audiobackend.cc:1135
#15 0x00007fffeecb96db in start_thread (arg=0x7fffbc294700) at pthread_create.c:463
#16 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fffbc2b5700 (LWP 5243)):
#0  0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x555558198470)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  do_futex_wait (sem=sem@entry=0x555558198470, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x555558198470, abstime=0x0) at sem_waitcommon.c:181
#3  0x00007ffff6ab025e in PBD::Semaphore::wait (this=0x555558198470) at ../libs/pbd/pbd/semutils.h:64
#4  0x00007ffff6aad9fa in ARDOUR::Graph::run_one (this=0x5555581983c0) at ../libs/ardour/graph.cc:426
#5  0x00007ffff6aadeb2 in ARDOUR::Graph::helper_thread (this=0x5555581983c0) at ../libs/ardour/graph.cc:470
#6  0x00007ffff6ab444f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbc2b4cf8, p=0x5555581983c0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#7  0x00007ffff6ab3c04 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffbc2b4d08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#8  0x00007ffff6ab3061 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffbc2b4cf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#9  0x00007ffff6ab2905 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#10 0x0000555555b8ba3c in boost::function0<void>::operator() (this=0x7fffbc2b4cf0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#11 0x00007fffccd1804f in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555b660380) at ../libs/backends/alsa/alsa_audiobackend.cc:1135
#12 0x00007fffeecb96db in start_thread (arg=0x7fffbc2b5700) at pthread_create.c:463
#13 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fffbc2d6700 (LWP 5242)):
#0  0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x555558198470)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  do_futex_wait (sem=sem@entry=0x555558198470, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x555558198470, abstime=0x0) at sem_waitcommon.c:181
---Type <return> to continue, or q <return> to quit---
#3  0x00007ffff6ab025e in PBD::Semaphore::wait (this=0x555558198470) at ../libs/pbd/pbd/semutils.h:64
#4  0x00007ffff6aad9fa in ARDOUR::Graph::run_one (this=0x5555581983c0) at ../libs/ardour/graph.cc:426
#5  0x00007ffff6aae294 in ARDOUR::Graph::main_thread (this=0x5555581983c0) at ../libs/ardour/graph.cc:523
#6  0x00007ffff6ab444f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffbc2d5cf8, p=0x5555581983c0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#7  0x00007ffff6ab3c04 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffbc2d5d08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#8  0x00007ffff6ab3061 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffbc2d5cf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#9  0x00007ffff6ab2905 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#10 0x0000555555b8ba3c in boost::function0<void>::operator() (this=0x7fffbc2d5cf0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#11 0x00007fffccd1804f in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555b64c3f0) at ../libs/backends/alsa/alsa_audiobackend.cc:1135
#12 0x00007fffeecb96db in start_thread (arg=0x7fffbc2d6700) at pthread_create.c:463
#13 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fffbc2df700 (LWP 5241)):
#0  0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x55555b566170)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  do_futex_wait (sem=sem@entry=0x55555b566170, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x55555b566170, abstime=0x0) at sem_waitcommon.c:181
#3  0x00007ffff6ab025e in PBD::Semaphore::wait (this=0x55555b566170) at ../libs/pbd/pbd/semutils.h:64
#4  0x00007ffff6f32f6f in ARDOUR::RTTaskList::run (this=0x55555b566140) at ../libs/ardour/rt_tasklist.cc:112
#5  0x00007ffff6f32d5e in ARDOUR::RTTaskList::_thread_run (arg=0x55555b566140) at ../libs/ardour/rt_tasklist.cc:67
#6  0x00007fffeecb96db in start_thread (arg=0x7fffbc2df700) at pthread_create.c:463
#7  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fffbc2e8700 (LWP 5240)):
#0  0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x55555b566170)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  do_futex_wait (sem=sem@entry=0x55555b566170, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x55555b566170, abstime=0x0) at sem_waitcommon.c:181
#3  0x00007ffff6ab025e in PBD::Semaphore::wait (this=0x55555b566170) at ../libs/pbd/pbd/semutils.h:64
#4  0x00007ffff6f32f6f in ARDOUR::RTTaskList::run (this=0x55555b566140) at ../libs/ardour/rt_tasklist.cc:112
#5  0x00007ffff6f32d5e in ARDOUR::RTTaskList::_thread_run (arg=0x55555b566140) at ../libs/ardour/rt_tasklist.cc:67
#6  0x00007fffeecb96db in start_thread (arg=0x7fffbc2e8700) at pthread_create.c:463
#7  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fffbc2f1700 (LWP 5239)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x55555b566170)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  do_futex_wait (sem=sem@entry=0x55555b566170, abstime=0x0) at sem_waitcommon.c:111
#2  0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x55555b566170, abstime=0x0) at sem_waitcommon.c:181
#3  0x00007ffff6ab025e in PBD::Semaphore::wait (this=0x55555b566170) at ../libs/pbd/pbd/semutils.h:64
#4  0x00007ffff6f32f6f in ARDOUR::RTTaskList::run (this=0x55555b566140) at ../libs/ardour/rt_tasklist.cc:112
#5  0x00007ffff6f32d5e in ARDOUR::RTTaskList::_thread_run (arg=0x55555b566140) at ../libs/ardour/rt_tasklist.cc:67
#6  0x00007fffeecb96db in start_thread (arg=0x7fffbc2f1700) at pthread_create.c:463
#7  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fffbddca700 (LWP 5230)):
#0  0x00007fffebef0bf9 in __GI___poll (fds=0x7fffa4000b20, nfds=1, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffccd18f22 in ARDOUR::AlsaAudioBackend::midi_device_thread (this=0x5555576b8690) at ../libs/backends/alsa/alsa_audiobackend.cc:1335
#2  0x00007fffccd18dba in ARDOUR::AlsaAudioBackend::_midi_device_thread (arg=0x5555576b8690) at ../libs/backends/alsa/alsa_audiobackend.cc:1298
#3  0x00007fffeecb96db in start_thread (arg=0x7fffbddca700) at pthread_create.c:463
#4  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fffbd11f700 (LWP 5229)):
#0  0x00007fffebef0cf6 in __GI_ppoll (fds=0x5555578d208c, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fffccd47218 in Alsa_pcmi::pcm_wait (this=0x5555578d2000) at ../libs/backends/alsa/zita-alsa-pcmi.cc:185
#2  0x00007fffccd1b752 in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x5555576b8690) at ../libs/backends/alsa/alsa_audiobackend.cc:1788
#3  0x00007fffccd15c67 in pthread_process (arg=0x5555576b8690) at ../libs/backends/alsa/alsa_audiobackend.cc:751
#4  0x00007fffeecb96db in start_thread (arg=0x7fffbd11f700) at pthread_create.c:463
#5  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fffbd128700 (LWP 5228)):
#0  0x00007fffebef0bf9 in __GI___poll (fds=0x5555573ff440, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffccd41f92 in ARDOUR::AlsaRawMidiIn::main_process_thread (this=0x5555573da9b0) at ../libs/backends/alsa/alsa_rawmidi.cc:255
#2  0x00007fffccd3fbc1 in pthread_process (arg=0x5555573dae08) at ../libs/backends/alsa/alsa_midi.cc:68
#3  0x00007fffeecb96db in start_thread (arg=0x7fffbd128700) at pthread_create.c:463
#4  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fffbd131700 (LWP 5227)):
#0  0x00007fffeecbf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555570d8d2c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5555570d8cd8, cond=0x5555570d8d00) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5555570d8d00, mutex=0x5555570d8cd8) at pthread_cond_wait.c:655
#3  0x00007fffccd41875 in ARDOUR::AlsaRawMidiOut::main_process_thread (this=0x5555570d8cb0) at ../libs/backends/alsa/alsa_rawmidi.cc:150
#4  0x00007fffccd3fbc1 in pthread_process (arg=0x5555570d8cc8) at ../libs/backends/alsa/alsa_midi.cc:68
#5  0x00007fffeecb96db in start_thread (arg=0x7fffbd131700) at pthread_create.c:463
#6  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
---Type <return> to continue, or q <return> to quit---

Thread 16 (Thread 0x7fffbedcc700 (LWP 5226)):
#0  0x00007fffebef303f in __GI___select (nfds=1, readfds=0x7fffbedc9c00, writefds=0x0, exceptfds=0x0, timeout=0x7fffbedc9c80) at ../sysdeps/unix/sysv/linux/select.c:41
#1  0x00007ffff41eedf6 in PBD::SystemExec::output_interposer (this=0x555557637ac0) at ../libs/pbd/system_exec.cc:995
#2  0x00007ffff41edf36 in interposer_thread (arg=0x555557637ac0) at ../libs/pbd/system_exec.cc:375
#3  0x00007fffeecb96db in start_thread (arg=0x7fffbedcc700) at pthread_create.c:463
#4  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fffbffff700 (LWP 5219)):
#0  0x00007fffebef0bf9 in __GI___poll (fds=0x555557386830, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2f66d66 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff2f66e7c in g_main_context_iteration () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff2f66ec1 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#4  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#5  0x00007fffeecb96db in start_thread (arg=0x7fffbffff700) at pthread_create.c:463
#6  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fffcfb74700 (LWP 5215)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff69250ed in ARDOUR::AudioEngine::do_devicelist_update (this=0x555557155c20) at ../libs/ardour/audioengine.cc:678
#3  0x00007ffff69320db in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x555557153630, p=0x555557155c20)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6931b0a in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (
    this=0x555557153640, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff6931247 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x555557153630) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6930a46 in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator() (this=0x555557153630) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff692fc04 in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::call_it (rep=0x555557153600) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#10 0x00007fffeecb96db in start_thread (arg=0x7fffcfb74700) at pthread_create.c:463
#11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fffd5745700 (LWP 5214)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff6924eb4 in ARDOUR::AudioEngine::do_reset_backend (this=0x555557155c20) at ../libs/ardour/audioengine.cc:642
---Type <return> to continue, or q <return> to quit---
#3  0x00007ffff69320db in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x55555751e740, p=0x555557155c20)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6931b0a in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (
    this=0x55555751e750, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff6931247 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x55555751e740) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6930a46 in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator() (this=0x55555751e740) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7  0x00007ffff692fc04 in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::call_it (rep=0x55555751e710) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#10 0x00007fffeecb96db in start_thread (arg=0x7fffd5745700) at pthread_create.c:463
#11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fffe50a6700 (LWP 5212)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff68d8f80 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:93
#3  0x00007ffff68d8d6c in analyser_work () at ../libs/ardour/analyser.cc:58
#4  0x0000555556403267 in sigc::pointer_functor0<void>::operator() (this=0x555557108548)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#5  0x000055555640039a in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x555557108540)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6  0x00005555563fc223 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x555557108510)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#8  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#9  0x00007fffeecb96db in start_thread (arg=0x7fffe50a6700) at pthread_create.c:463
#10 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fffe58a7700 (LWP 5211)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff707886e in peak_thread_work () at ../libs/ardour/source_factory.cc:74
#3  0x0000555556403267 in sigc::pointer_functor0<void>::operator() (this=0x5555570f5e38)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x000055555640039a in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x5555570f5e30)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#5  0x00005555563fc223 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x5555570f5e00)
---Type <return> to continue, or q <return> to quit---
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#7  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#8  0x00007fffeecb96db in start_thread (arg=0x7fffe58a7700) at pthread_create.c:463
#9  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fffe60a8700 (LWP 5210)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff707886e in peak_thread_work () at ../libs/ardour/source_factory.cc:74
#3  0x0000555556403267 in sigc::pointer_functor0<void>::operator() (this=0x5555571465e8)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x000055555640039a in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x5555571465e0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#5  0x00005555563fc223 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x5555571465b0)
    at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglibmm-2.4.so.1
#7  0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#8  0x00007fffeecb96db in start_thread (arg=0x7fffe60a8700) at pthread_create.c:463
#9  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fffe68a9700 (LWP 5209)):
#0  0x00007fffeecc3c60 in __GI___nanosleep (requested_time=0x7fffe68a8bf0, remaining=0x7fffe68a8c00) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
#1  0x00007ffff2f97a38 in g_usleep () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x000055555677c610 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:463
#3  0x00007fffeecb96db in start_thread (arg=0x7fffe68a9700) at pthread_create.c:463
#4  0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ffff7faa900 (LWP 5205)):
#0  0x00007fffebef0bf9 in __GI___poll (fds=0x555557297750, nfds=4, timeout=35) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2f66d66 in ?? () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff2f670f2 in g_main_loop_run () from /opt/Ardour-6.0.rc1.176-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff25593e7 in gtk_main () from /opt/Ardour-6.0.rc1.176-dbg/lib/libgtk-x11-2.0.so.0
#4  0x00007ffff45801a4 in Gtkmm2ext::UI::run (this=0x555557584220, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:293
#5  0x00005555561356a6 in main (argc=1, argv=0x7fffffffd228) at ../gtk2_ardour/main.cc:437
(gdb)