mel@mx:~
$ sh /opt/Ardour-8.6.212-dbg/bin/ardour8 -D trackdrag
bind txt domain [gtk2_ardour8] to /opt/Ardour-8.6.212-dbg/share/locale
Debug flag 'trackdrag' set
Ardour8.6.212 (built using 8.6-212-g2d8c641314 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-8.6.212-dbg/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/mel/.config/ardour8/config
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-8.6.212-dbg/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/mel/.config/ardour8/plugin_metadata/plugin_stats
Ardour: [INFO]: add_lrdf_data '/home/mel/.config/ardour8/rdf:/opt/Ardour-8.6.212-dbg/share/rdf:/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/guitarix.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/caps.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa.rdfs'
Ardour: [INFO]: Reading RDF file:///home/mel/.ladspa/rdf/ardour-presets.n3
*** WEAK-JACK: initializing
*** WEAK-JACK: OK. (0)
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading 1 MIDI patch from /home/mel/.config/ardour8/patchfiles
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-8.6.212-dbg/etc/default_ui_config
Ardour: [INFO]: Loading 459 MIDI patches from /opt/Ardour-8.6.212-dbg/share/patchfiles
Ardour: [INFO]: Loading user ui configuration file /home/mel/.config/ardour8/ui_config
Ardour: [INFO]: Loading colour file /opt/Ardour-8.6.212-dbg/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-8.6.212-dbg/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-8.6.212-dbg/etc/ardour.keys
Loading ui configuration file /opt/Ardour-8.6.212-dbg/etc/clearlooks.rc
pingback: No Error
Found nothing along /home/mel/.config/ardour8/templates:/opt/Ardour-8.6.212-dbg/share/templates
 --[[ ALSA Device hw:UA22,0
playback
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
capture
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
synced
 --]]
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
locate to 0 took 24639 usecs for 47 tracks = 524 per track
locate to 96000 took 26304 usecs for 47 tracks = 560 per track
locate to 1584000 took 48278 usecs for 47 tracks = 1027 per track
DEBUG::TrackDrag: start track drag with 0x55edd3054c00
Segmentation fault
mel@mx:~
$ ardour-request-device: watched PID no longer exists - releasing device.


$ sh /opt/Ardour-8.6.212-dbg/bin/ardour8 -D trackdrag
bind txt domain [gtk2_ardour8] to /opt/Ardour-8.6.212-dbg/share/locale
Debug flag 'trackdrag' set
Ardour8.6.212 (built using 8.6-212-g2d8c641314 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-8.6.212-dbg/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/mel/.config/ardour8/config
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-8.6.212-dbg/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/mel/.config/ardour8/plugin_metadata/plugin_stats
Ardour: [INFO]: add_lrdf_data '/home/mel/.config/ardour8/rdf:/opt/Ardour-8.6.212-dbg/share/rdf:/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/guitarix.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/caps.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa.rdfs'
Ardour: [INFO]: Reading RDF file:///home/mel/.ladspa/rdf/ardour-presets.n3
*** WEAK-JACK: initializing
*** WEAK-JACK: OK. (0)
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading 1 MIDI patch from /home/mel/.config/ardour8/patchfiles
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-8.6.212-dbg/etc/default_ui_config
Ardour: [INFO]: Loading 459 MIDI patches from /opt/Ardour-8.6.212-dbg/share/patchfiles
Ardour: [INFO]: Loading user ui configuration file /home/mel/.config/ardour8/ui_config
Ardour: [INFO]: Loading colour file /opt/Ardour-8.6.212-dbg/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-8.6.212-dbg/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-8.6.212-dbg/etc/ardour.keys
Loading ui configuration file /opt/Ardour-8.6.212-dbg/etc/clearlooks.rc
pingback: No Error
Found nothing along /home/mel/.config/ardour8/templates:/opt/Ardour-8.6.212-dbg/share/templates
 --[[ ALSA Device hw:UA22,0
playback
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
capture
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
synced
 --]]
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
removed /home/mel/Music/Audio/MrMan24/MrMan24.pending
locate to 0 took 24035 usecs for 47 tracks = 511 per track
locate to 96000 took 29442 usecs for 47 tracks = 626 per track
locate to 1584000 took 54517 usecs for 47 tracks = 1160 per track
DEBUG::TrackDrag: start track drag with 0x559d8a777f50
Segmentation fault
mel@mx:~
$ ardour-request-device: watched PID no longer exists - releasing device.